89results about How to "Promote branching" patented technology

The invention relates to a method for growing annual multi-branch dwarf self-rooted rootstock apple seedlings. The method includes planting dwarf self-rooted rootstock seedlings in the spring of a first year; grafting apple varieties on the seedlings in August; disallowing the apple varieties to sprout in the current year; pruning rootstock of the self-rooted rootstock seedlings in the spring of a second year; allowing the varieties to sprout; growing the annual multi-branch dwarf self-rooted rootstock apple seedlings by the aid of a branch promoting technology. The method has the advantages that the problem of poor quality of dwarf self-rooted rootstock apple seedlings which grow by the aid of the traditional method can be solved; the annual multi-branch dwarf self-rooted rootstock apple seedlings which grow by the aid of the method can be planted to fields in the current year, can flower in the current year and can bear fruits, yields can be generated in the second year, high yields can be generated in a third year, the problem of late fruit bearing of single-branch apple seedlings can be solved, orchard construction speeds are high, and the method is particularly applicable to meeting large apple seedling demand of apple dwarf rootstock intensive cultivation modes, and is an effective way for particularly solving problems of difficulty in flower formation and late fruit bearing of Fuji apples at present.

The invention relates to a planting method for hylocereus undulatus Britt. and belongs to the field of agricultural planting. The method comprises the steps of selecting land suitable for planting hylocereus undulatus Britt., selecting hylocereus undulatus Britt. seedlings, and transplanting the seedlings to the land, the columnar cultivation technology being used for planting; applying fertilizer three times every year and applying fertilizer a prepared from homemade organic fertilizer, nitrogen fertilizer, and phosphate fertilizer or fertilizer b prepared from homemade organic fertilizer, phosphate fertilizer, potash fertilizer and magnesium fertilizer in different planting periods, wherein the homemade organic fertilizer is prepared from rotten hylocereus undulatus Britt. branches, straw, corncobs, bagasse, duck feces, sheep feces, and human excrement and urine according to a specific ratio; performing pinching and flower cutting timely, and cultivating the plants until the plants bear fruits. The planting method is simple in operation, can increase the survival rate and the growth rate of plants, reduces the production cost, is suitable for large-scale systematic breeding and is highly practical; obtained fruits are nutritious.

The invention discloses a cultivation method of oil-tea camelia dwarfing multi-branch seedlings and belongs to the technical field of agricultural planting. The cultivation method includes that a conventional grafting seedling growing method to cultivate oil-tea camelia seedlings, and after the seedlings grow into a 2-year period, thinning is performed before spring-top germination and after spring-top semi-lignification respectively; trimming is performed on the seedlings for three times for height controlling in a spring-top semi-lignified period, after summer tops stop growing and in an autumn-top semi-lignified period; fertilizing is performed in a spring-top germination period, a summer-top germination period and an early autumn-top germination period respectively; flood drainage work is enhanced in rainy seasons, irrigation is performed properly in drought seasons, and out-of-nursery afforestation transplanting can be performed after the seedlings are cultivated to the end of the 2-year period. The seedlings cultivated by the method have the advantages of being dwarf, robust, branch-rich and high in outplanting qualification rate.

The invention discloses tobacco strigolactones transport protein NtPDR6 and an interference expression vector and application thereof. The tobacco strigolactones transport protein NtPDR6 has an amino acid sequence shown in SEQ ID NO.4 or obtained through substituting, deleting or adding at least one amino acid on SEQ ID NO.4; and a nucleotide sequence for coding the protein is shown in SEQ ID NO.3 or is obtained through substituting, deleting or adding at least one nucleotide on SEQ ID NO.3. The protein has the effect of inhibiting lateral branch, axillary bud or lateral bud proliferation, the lateral branch growth of tobacco subjected to interference expression is obviously active, axillary bud or lateral bud proliferation is obvious, and the protein has significance for controlling the plant type of tobacco and improving the yield of tobacco.

The invention discloses a method for efficiently and rapidly reproducing paulownia test-tube plantlets in a large scale. The method comprises the following steps: kneading paulownia seeds to remove membranous wings, charging the paulownia seeds into a gauze bag, bleaching and sterilizing, then inoculating into a solid culture medium, culturing for 20 to 30 days, and facilitating the sprouting of the seeds to obtain seedlings; cutting the young seedlings into sections with a node, transferring the seedlings into a reproduction subculture medium, culturing for 30 to 40 days, subculturing for one time, wherein the reproduction coefficient reaches 4 to 5, when a needed seed plantlet quantity is achieved, transferring to a seedling improving and rooting culture medium, culturing for 40 to 50 days, the seedling growing strong and having 3 to 4 roots, and transplanting the seedling. Compared with the prior art, the method can be directly used for the factory large-scale production of seed plantlets and has advantages of less pollution, high reproduction speed, low aberration rate, tidy and strong seed plantlets, low production cost, high transplanting survival rate and the like.

The invention relates to a rice blast prevention and control insecticide, which consists of the following effective components in parts by weight: 0.1 to 55.0 parts of kasugamycin and 0.1 to 25.0 parts of glucan. According to the rice blast prevention and control insecticide, the synergistic effects of sterilization activity of kasugamycin and resistance induction of glucan are used for preventing and controlling the occurrence and development of rice blast, the insecticide has both prevention and control effects, and remarkable prevention and control effects can be achieved whenever the insecticide is used before or after the occurrence of the rice blast.

The invention provides a melastoma dodecandrum lour planting method, and particularly relates to the technical field of plant cultivation. The method adopts a mode for planting melastoma dodecandrum by using a seedling solution for rooting culture of cutting strips. Firstly, the cutting strips are placed and soaked in rooting water, cultivating and rooting are conducted with the seedling solution,field planting is conducted in a planting field, when water and fertilizer management is carried out, a vine enhancing agent and a fruit promoting agent are sprayed at the right time, the rooting rate of the cutting strips is over 98%, the total flavonoid content of active ingredients of a plant is above 35mg / g, which makes fruits have a heavy weight, enough sweetness and high yield, the shelf life of fresh fruits is prolonged to more than 20 days, so that the fresh fruits keep the original taste and freshness and do not easily rot, and the planting method is green, environmentally friendly,easy to operate, convenient to manage and suitable for scale and industrialization popularization.

The invention relates to the technical field of crop cultivation, in particular to a cultivation method for potato breeder's seeds. The cultivation method includes the steps of rapid propagation of virus-free seedlings, seedling hardening, transplanting, seedling stage management, harvesting and storage. The link of strong seedling culture before transplanting potato tissue culture seedlings is omitted, the inoculum density is increased in the link of rapid propagation of the virus-free seedlings, the inoculum mode is changed, the use ratio of a culture medium is greatly increased, propagation efficiency is improved, power consumption cost and culture space are reduced, and the cost of link of rapid propagation of the potato tissue culture seedlings is reduced; density is reduced in the transplanting link, multi-plant cuttage is carried out, traditional strong seedling transplanting is changed to be weak seedling transplanting, top ends perish after medium weak seedlings are transplanted and survive, apical dominance is broken, plant branching is improved, the number of single plant branches is increased to 2-4 from 1-2, plant growth vigor is improved, and the breeder's seed yield is increased. Meanwhile, the fertilization mode and fertilizer type are improved, so that management cost is reduced, and the yield is increased.

The invention provides a method for inducing flowering of cassava, belonging to the technical field of crop cultivation. The method provided by the invention comprises the following steps: 1) preparing soil, carrying out ridging, and digging planting holes on ridges; 2) applying a base fertilizer; 3) carrying out planting from the middle ten days and the last ten days of March to the first ten days of April; 4) carrying out topdressing; 5) spraying a foliage dressing fertilizer; 6) applying a flowering promoting solution; and 7) removing newly-grown branches and germinated side buds, retainingflower buds, and spraying a nutrient solution. With the method provided by the invention, flowering of annual cassava of a branching and difficultly-flowering variety can be induced by one time, wherein flowering is advanced by 2 to 4 months; the formation rate of flowers is 100%; the average number of formed flowers is increased by 5 times; and the average number of female flowers is increased by 9 times; meanwhile, flowering of annual cassava of a non-branching or late-branching variety can be induced by one time, wherein flowering is advanced by 2 to 4 months; the formation rate of flowersis 65% or above; the average number of formed flowers is increased by 4.64 times; and the average number of female flowers is increased by 7 to 8 times.

The invention relates to application of active polysaccharides in corn top rot control. Active polysaccharide 1.0-361ppm is used dependently foliar spray, combined with soluble salt containing plant nutrition in use or combined with pesticide in use, and is evident in corn top rot control effect. The active polysaccharide comprises chitosan oligosaccharide and glucosan and has evident resistance induction activity on crops, environmental stress resistance is enhanced by inducing basic resistance, and occurrence and development of corn top rot are prevented and controlled.

The invention discloses a layering budding and high-branch head changing based gingko fine tree form cultivation method. According to the method, the ornamental new variety of yellow-leaf gingkoes 'wan nian jin' are budded to ordinary gingko stocks with only trunks and no side branches in a layering mode, the top end high scion changing head is 'wan nian jin' scions, and growth promoters are painted on grafted buds to be cultivated into ornamental gingko fine tree forms with central trunks, layered side branches, full crowns and whole-tree gold leaves. The method comprises the steps of (1) stock cultivation; (2) layering budding on stock trunks; (3) top grafting head changing of scions with terminal buds; (4) budded bud locating stimulating; (5) tree form cultivation; (6) management after grafting. The grafting survival rate reaches 95%, and the fine tree form cultivation success rate reaches about 90%, ordinary gingko and 'wan nian jin' use and ornamental values are greatly improved, the green requirement is met through industrial production, and the market prospect is broad.

The invention relates to a composite full biological pesticide, belonging to the biological pesticide field, comprising the following component by weight parts: EM original solution 25-35 parts, rapin 0.5-1.5 parts, potassium dihydrogen phosphate leaf-surface composite fertilizer 1-2 parts, plant health agent 25-36 parts, and water 30000 parts, wherein the plant health agent is composed of the following components by weight parts: distilled spirit 0.5-1.5 parts, vinegar 0.5-1.5 parts, brown sugar 0.5-1.5 parts and water 60 parts. The composite full biological pesticide has 90-100% control efficiency on diseases such as plant 'virus disease', 'decay disease', 'black dot disease, 'blight', 'corky scab', 'physiology disease', 'stunty seedling, root decline or the like; 95-100% control efficiency on diseases such as chewing mouthparts, piercing-sucking mouthparts pest larvae; and increases fruit seed setting rate and quality, with promotion on early coloring, early maturing and early coming into the market.

The invention discloses a method for improving tea seedling field fungus rooting cuttage breeding effects. According to the method, AMF (arbuscular mycorrhizal fungi) efficient strain rhizophagus intraradices is applied into a cutting seedbed in advance, and strigolactones is sprayed after cutting is completed, so that the tea seedling field fungus rooting cuttage breeding effects are improved. Test results show that tea seedlings are bred by the method, the tea seedling field fungus rooting cuttage breeding effects can be effectively improved, infection rate of AMF for the tea seedlings is increased, the germination rate, the callus occurrence rate and the survival rate of the sea seedlings are increased, growth indexes such as stem height, root length and dry and fresh weight of the teaseedlings are facilitated, and the method has the advantages that the method is simple to operate, low in labor intensity and suitable for popularization and application in actual production, investment increase is less and the like.

The invention discloses a red pear dwarfing interstock close-planting cultivation technique which includes the key steps: selecting early-matured red pears and red pears No. 2; selecting dwarfing interstocks No. 2; selecting birchleaf pears or sand pears as grafting stocks; performing close-planting cultivation; performing modified leader training in a shaping method; promoting branching; inhibiting top shoot growth; totally cultivating three layers of lateral branches; cultivating fruit-bearing branch groups on the lateral branches. The height of a tree is within 2m after the tree is formed, interline space larger than 1m serves as a ventilating duct, and 8-10 lateral branches are cultivated on the whole tree. The technique further includes the steps of nutrient and water management, fruit thinning, rain shelter cultivation, bagging, disease and pest prevention and the like, and accordingly solves the problems of late fruiting, poor yielding ability, difficulty in coloring, weak resistance and the like of the red pears cultivated in the south.

The invention discloses a peanut pesticide application method. Such efficient agents as tebuconazole, diethyl aminoethyl hexanoate, prochloraz, high boron, high potassium, high iron and amino acid aqueous solution are selected; the pesticide application period is selected: the efficient agents are selected and combined, and in the whole growth period of the peanut, the pesticide mixture is sprayed to the leaf surfaces in three steps at the seedling stage and the initial bloom stage, the flower needle stage and the fruit expansion period, respectively; the peanut pesticide application method is clear and accurate in pesticide application period; a standard management mode is formed; the leaf surface spraying investment is low; the field operation is simple, convenient and easy to operate; the pesticides take effect effectively; the peanut pesticide application method is easy to popularize and convenient for peasants to use.

The invention belongs to the technical field of plant genetic engineering and particularly relates to a tobacco auxin transport protein NtPIN4 and an application thereof. A gene NtPIN4 as a coding gene of the tobacco auxin transport protein comprises 1953bp, and a base sequence is shown as SEQ ID NO.1. The amino acid sequence of the tobacco auxin transport protein NtPIN4 is shown as SEQ ID NO.2. After the gene NtPIN4 is silenced, lateral branches of tobacco are obviously increased in gene silenced plants, and the growing number of axillary buds is obviously increased, so that tobacco plant type can be regulated. In normal tobacco plants, expression quantity of the gene NtPIN4 in stems and the axillary buds is higher. For mutant strains with the gene NtPIN4 knockout, branches are increased obviously, and axillary buds are increased actively. Deep research for the gene NtPIN4 shows that the gene NtPIN4 has important application value in tobacco growth regulation and plant type regulation.

The invention provides a white chrysanthemum planting method in the white chrysanthemum planting field. The method comprises the steps of land selection and soil preparation, cutting seedling raising, transplanting, field management, and disease and pest control. The step of cutting seedling raising comprises the substeps of allowing breeding chrysanthemum to live through winter, making cuttings and raising seedlings. Before seedling raising, cut cuttings are disinfected by using a herbaceous disinfectant, which contains 5-10 parts of plant ash, 1-5 parts of oil tea cakes, 7-8 parts of dandelion powder, 5-8 parts of clove powder and 1-4 parts of shrimp meal. A sterilizing and insect prevention solution containing Chinese prickly-ash extract, garlic extract and plant ash is sprayed after transplanting. In the process of cutting planting of white chrysanthemum, cut cuttings are disinfected and sterilized in an early period, so that the cut surfaces of the cuttings are protected against harmful bacterium invasion, the disease resistance of the cuttings is improved, the using amount of pesticides is reduced, and the survival rate of cutting planting of white chrysanthemum is greatly increased.

The invention provides a cultivation method for increasing the yield of paeonia ostii through close planting and fertilizing and belongs to the technical field of peony cultivation. The method comprises the steps of: in autumn of the first year, planting seedlings with three planting densities, wherein the seedlings are all subjected to stubbling treatment; in early spring of the second year, applying organic fertilizer; after blooming in spring of the third year, applying organic fertilizer and foliage fertilizer cooperatively; in summer of the third year, applying foliage fertilizer; in autumn of the third year, before winter, applying organic fertilizer. While paeonia suffruticosa for oil is planted, vegetables are interplanted. The method can promote peony branching; after a single-stem peony seedling is subjected to stubbling, 2-5 branches can be increased, so that the yield is increased; the types and the amount of applied organic fertilizer and the number of times of application of organic fertilizer are of great importance for the growth of paeonia ostii, and further the biotic stress resisting capability of plants can be influenced, and the yield can be influenced; through the interplanting of grain and oil crops, land resources are fully utilized.

The invention discloses a method for planting zinc-rich chrysanthemum nankingense. The method comprises the following steps: (1) germination and seedling culture; (2) transplantation and final singling; and (3) harvesting. According to the method for planting zinc-rich chrysanthemum nankingense, seeds are adopted to cultivate plenty of seedlings, germination conditions are controlled strictly, the germination rate is high, seedlings grow vigorously, and the growth vigor is uniform; a non-woven fabric for laying is used, is favorable for water absorption, moisture preservation and breathability and can be reused, and the cost is reduced; soilless culture is performed after the transplantation, growth conditions are controlled strictly, hard-light, intermittent and long-time illumination is adopted, chrysanthemum nankingense branching and germination are promoted, flowering is delayed, the picking period is prolonged, and the yield is improved obviously; the content of zinc and selenium in nutrient solution is high, minerals are comprehensive, promote absorption and utilization and are favorable for growth, a health care function is enhanced, and the zinc-rich chrysanthemum nankingense can clear away heat and toxic materials, is resistant to oxidization, aging and tumor, enhances immunity, promotes gastrointestinal functions and protects heart and cerebral vessels; the nutrient solution is rich in microorganisms, the disease resistance is improved, the use of pesticides is avoided, and the planting cost is reduced.

The invention belongs to the technical field of crop planting, and particularly relates to a planting method for preventing and treating soybean diseases. Particularly, the method comprises the following steps: (1) selection and processing of cultivated land soil; (2) selection and seed soaking processing of soybean seeds; (3) field management after sowing. According to the planting method disclosed by the invention, not only can soil fertility be raised, soil hardening is eliminated, the soil is activated, nutrient elements are complete, soybean plants are promoted to be developed, stress resistance is reinforced to promote precocity, various germs and worm eggs in the soil are effectively killed, and diseases and insect pests are reduced, but also an emergence rate and a survival rate are improved, emerging seedlings are neat, robust, good in fertility and thick and solid in stem, photosynthesis efficiency is improved, synthesis of nutrient substances is promoted, soybean plants robustly grow and are stocky and dense in section, soybean granules are full, a podding rate is greatly improved, germ resistance of soybean plants is improved, a disease rate is effectively reduced, and quality and yield of soybeans are improved.

The invention discloses a cultivation method for bringing tea trees into production in advance. The cultivation method includes steps of (1), clearing lands, applying fertilizers, carrying out watering and covering the lands with black mulching films; (2), dipping the roots of tea seedlings in root liquid for 10-15 s before the tea seedlings are transplanted; (3), transplanting the tea seedlings, to be more specific, digging holes in the mulching films and planting the tea seedlings in double-row and double-plant modes; (4), carrying out watering and soil covering, to be more specific, sufficiently watering the tea seedlings with root colonizing water, then carrying out soil covering and sealing on broken openings of the mulching films but necessarily exposing soil in the ranges of 10-12 cm around the root stock of the tea seedlings; (5), applying fertilizers, to be more specific, perforating the mulching films to apply the fertilizers, or furrowing the centers of small tea rows to apply the fertilizers and applying the compound fertilizers with the pH (potential of hydrogen) values of 6-7; (6), secondarily pruning the tea seedlings and carrying out secondary topping on the tea seedlings. The root liquid comprises 800-1000 times dilution of rooting agents, 1200-1500 times dilution of bactericides and 0.4-0.6 kg / L of clay. The cultivation method has the advantages that the survival rate of the tea seedlings can be increased, and the tea trees can be brought into production in advance by a year; more than a half of weeding cost can be reduced, the quality of the tea trees can be enhanced, the yield of the tea trees can be increased, and economic value of the tea trees can be increased.

The invention discloses a lignin-containing biodegradable polyester compound bead foaming material with a high crystallization rate and a preparation method thereof, the preparation method comprises the following steps: (1) melting and blending poly (butylene adipate terephthalate), an anhydride compound and a peroxide cross-linking agent to obtain MAH-g-PBAT particles; (2) carrying out blending granulation on the particles, degradable resin, lignin and a chain extender to obtain biodegradable polyester compound beads; and (3) putting the biodegradable polyester composite beads into a high-pressure mold, and carrying out mold pressing foaming by taking foaming gas as a foaming agent, thereby obtaining the biodegradable polyester composite beads. The MAH-g-PBAT and the chain extender can synergistically improve the compatibility of PBAT, PLA and lignin, promote chain branching and chain intertwining, successfully combine two melting points into one melting point, broaden the foaming interval, improve the foaming performance and facilitate steam forming of beads.

The invention relates to a plantation method of dragon fruits and belongs to the field of agricultural plantation. The method comprises the following steps: first of all, selecting a land suitable for planting the dragon fruits, selecting dragon fruit seedlings, transplanting the seedlings to a field, and planting the seedlings by use of a columnar cultivation technology; fertilizing three times a year respectively by use of a fertilizer a prepared by a self-made organic fertilizer, a nitrogen fertilizer and a phosphate fertilizer and a fertilizer b prepared by the self-made organic fertilizer, the phosphate fertilizer, a potash fertilizer and a magnesium fertilizer in different plantation periods, wherein the self-made organic fertilizer is prepared by a dragon fruit decayed branches, pineapple leaves, coconut shells, lichee shells, pig manure, chicken manure and night soil according to specific proportions; and performing pinching and flower trimming timely, and cultivating until fruits are grown. The plantation method of the dragon fruits is simple to operate and can improve the survival rate of plants. The growth speed is fast, the production cost is low, nutrition of obtained fruits is rich, the method is suitable for large-scale symmetric breeding, and the practicality is high.

The invention discloses a plant seedling pot allowing automatic liquid absorption. According to the technical scheme, an outer pot is placed on a liquid storage pool with a nutrient solution; liquid storage substrates are placed on the lower portion of the outer pot; one end of a liquid absorption rope is placed in the liquid storage substrates and the other end of the liquid absorption rope is placed in the nutrient solution; a root system blocking net is placed on the liquid storage substrates; an inner port is compressed to be placed on the root system blocking net which is arranged in the outer pot; culture substrates are placed in the inner pot. According to the plant seedling pot allowing the automatic liquid absorption, the nutrient solution can automatically enter into the liquid storage substrates due to the liquid absorption rope and accordingly the automatic supply of the nutrient solution for a plant is achieved, the root system can be located in the ventilation state for a long time, and the plant can root new roots and branch to flourish; the double pots are overlaid with each other to fix the root system blocking net so as to effectively prevent the root system of the plant from growing along the liquid absorption rope and entering into the liquid storage pool; the outer pot can be removed when a plant seedling is transplanted, people can push upward from the bottom of the inner pot to take out the plant seedling easily without hurting the root of the plant, and accordingly the survival rate of plant transplanting is improved.

The invention relates to the technical field of plant planting, in particular to a multi-flower globe amaranth planting method. The method includes the steps of transplanting, seedling period managing, growth vigorous period managing and flowering period managing. According to the growth characteristics of globe amaranth at different stages, by means of different fertilizer-water strategies, processing is conducted through nutrition glue and various types of nutrient solutions, the branching of the globe amaranth is promoted, the number of flowers is increased, and the color of the globe amaranth flowers is changed. The globe amaranth processed through the method has the average flower branch number of about 14 branches per plant and the average flower number of about 17 flowers per plant;meanwhile, the flower color of the globe amaranth is changed and presented as the bluish violet-acid blue color and is the color which ordinary globe amaranth does not have, and the ornamental valueof the globe amaranth is remarkably improved.

The invention provides a cultivation method for increasing the yield of paeonia ostii by applying assisting foliage fertilizer after stubbling and belongs to the technical field of peony cultivation. The method comprises the steps of: in autumn of the first year, performing stubbling treatment on all to-be-planted seedlings before planting and laying soil thereon after stubbling; in early spring of the second year, applying organic fertilizer; after blooming in spring of the third year, applying organic fertilizer and foliage fertilizer cooperatively; in summer of the third year, applying foliage fertilizer; in autumn of the third year, before winter, applying organic fertilizer. While paeonia suffruticosa for oil is planted, greening nursery stocks and fruit trees are interplanted. The method can promote peony branching; after a single-stem seedling of a peony is subjected to stubbling, 2-5 branches can be increased, so that the yield is increased; the types and the amount of applied organic fertilizer and the number of times of application of organic fertilizer are of great importance for the growth of paeonia ostii, and further the biotic stress resisting capability of plants can be influenced, and the yield can be influenced; through interplanting of greening nursery stocks and fruit trees, land resources are fully utilized.

The invention relates to the technical of crop yield increasing cultivation, in particular to a soybean yield increasing method. In the soybean emergence stage, a mepiquat chloride aqueous solution with the concentration being 50 mg / kg is sprayed on the leaves of soybeans and continuously sprayed for three times, and the solution is sprayed every 3-5 days; in the soybean seedling growth stage, chlormequat chloride with the concentration being 1200 mg / L is sprayed on the leaves of the soybeans and continuously sprayed for three times, and chlormequat chloride is sprayed every 3-5 days; in the soybean branching stage, a diethyl aminoethyl hexanoate aqueous solution with the concentration being 130 mg / kg is used for subirrigation for one time; in the soybean flowering stage, the soybeans are slightly blown through a fan heater, the air speed of the fan heater is 1.8-2 m / s, and air outlet temperature is 24-26 DEG C; in the soybean pod bearing stage, 10-12 kg of quickly-effective phosphorus fertilizer is applied each mu.

The invention relates to the technical field of oryza sativa molecular breeding, in particular to an application of a transcription factor to oryza sativa breeding and an oryza sativa breeding method. The oryza sativa breeding method comprises the following steps: increasing the protein expression level of an OsGAmyb gene and / or an OsTCP21 gene of an oryza sativa plant. The amino acid sequence of the OsGAmyb gene is as shown in SEQ ID NO. 1, and the amino acid sequence of the OsTCP21 gene is as shown in SEQ ID NO. 3. After the expression level of the protein of the OsGAmyb gene and / or the OsTCP21 gene of the oryza sativa plant is increased, the tiller number, the biomass and the rice quantity of a single rice plant are remarkably increased, so that the yield of the single oryza sativa plant is increased. Overexpression of the OsGAmyb and the OsTCP21 genes can be applied to various aspects of genetic improvement of oryza sativa plant types and yield, and conditions are created for improving the oryza sativa yield and cultivating rice with new plant types.

The invention discloses a camellia oleifera seedling radicle grafting method which comprises the steps of camellia oleifera seed screening and sowing, nursery land selection and preparation, nutrient soil and container preparation, grafted scion collection and treatment, determination of proper grafting time, treatment of rootstock seedlings, radicle cutting, radicle grafting and container seedling management. Compared with the prior art, the method has the greatest difference that the radicles of camellia oleifera rootstock seedlings are used as grafting points and are subjected to multi-section cutting to obtain multi-section standard rootstocks, the number and quality of the grafted rootstocks are improved, the grafting cost is reduced, the standard rootstock seedlings are soaked in a plant growth regulator, the activity of peroxidase (POD) and polyphenol oxidase (PPO) is improved, callus formation is promoted. elongation growth of roots and branching are facilitated, and the survival rate of grafted seedlings is increased. The camellia oleifera seedling radicle grafting method has the advantages of being low in cost, high in grafting success rate, free of sprouts, high in improved variety purity, high in survival rate, convenient to construct and operate, capable of saving manpower and material resources and the like.

The invention discloses a potato plantation method. The potato plantation method comprises following steps of A, carrying out soil preparation, applying decomposed farmyard manure, calcium superphosphate, plant ash and organic trace elements after a deep ploughing process; carrying out fine ploughing and leveling processes; B, carrying out a sowing process, cutting potatoes into cubes, wherein each potato cube at least reserves a middle bud or terminal bud, and the terminal bud is longitudinally cut and equally distributed to 2-4 potato cubes; putting the cut potato cubes on a wet, shady, cool and ventilated place timely for airing, immersing the potato cubes in a sprouting agent after wound healing, and then carrying out the sowing process; C, carrying a topdressing process according to the weight ratio of nitrogen, phosphor and potassium being 5:2:1 in dependence on the soil fertility condition; D, carrying out field management, carrying out shallow irrigation once after potato seedlings come out evenly, carrying out final irrigation once 60-70 days after seedling emergence, carrying out irrigation in dependence on rainfall and soil humidity conditions afterwards, removing weeds when we see at any moment, and controlling plant diseases and insect pests timely; and E, carrying out harvest timely after potatoes are ripe. By employing the potato plantation method, the output can be increased, the potatoes are green and pollution-free, and the potato plantation method is simple and easy to operate.