89results about How to "Strong stem" patented technology

The invention discloses a selenium-enriched rice planting method. The method includes the following steps of land selecting, field finishing, seed treatment, sowing and seedling raising, seedling transplant, fertilizer management in the later period, irrigation treatment and selenium-enriched rice harvesting. Before seedlings are transplanted, selenium-enriched base fertilizer in a complex state is applied in the rice field, and a certain selenium source is provided for rice; at the beginning of panicle emergence and flowering of rice and grouting, the selenium-enriched compound fertilizer is applied in the rice field again, the selenium-enriched fertilizer is evenly distributed around roots of the seedlings in the growth process, the selenium in a complex state from soil is absorbed by the roots of the plants and then enters the inner cycle systems of the plants and participates in synthesis of protein through the path from stems to leaves to flowers and fruits, and finally, the selenium in an ionic condition from soil is stored in the seeds in the form of selenoprotein. The selenium-enriched rice tastes good and is high in nutrient matter content, and the content of the selenium of the rice can reach over 0.2 mg / kg and meets the national selenium-enriched standard.

The present invention discloses an insecticide-fertilizer particulate agent and a preparation method thereof. The insecticide-fertilizer particulate agent comprises an insecticide, a bactericide, a fertilizer and an auxiliary agent. The insecticide is composed of one or more components selected from diazinon, thiamethoxam, imidacloprid, clothianidin, chlopyrifos, phoxim, carbofuran and carbosulfan. The bactericide is composed of one or more components selected from azoxystrobin, pyraclostrobin, fludioxonil, metalaxyl, methylimidazole bacteria aniline, thifluzamide and mancozeb. The fertilizer is composed of one or more components selected from urea, ammonium sulfate, potassium sulfate, potassium chloride, monoammonium phosphate, diammonium phosphate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, ammonium polyphosphate, potassium nitrate, zinc sulfate, manganese sulfate, magnesium sulfate, borax, boric acid, ferrous sulfate, copper sulfate, ammonium molybdate, ethylene diamine tetraacetic acid, calcium nitrate, potassium humate, organic matter, amino acid and soybean meal. The insecticide-fertilizer particulate agent is applied during the crop sowing period and can be used for preventing and controlling crop underground pests and diseases at the rootstocks of crops.

The invention discloses a breeding method of high-quality double-low disease-resistant high-yield lodging-resistant rape cultivar 'Zhen 2405'. The bred high-quality double-low rape cultivar has the advantages of full and round seed grain, heavy thousand grain weight, black seed grain, good marketability, excellent disease resistance, stable yield, good lodging resistance, good plant-type trait, good maturity performance, consistent maturity and suitability for the mechanized harvest. The method comprises the following steps: A) selecting the early-mature high-yield rapeseed line 'Zhen 9701' as the maternal plant, which has high resistance to Sclerotinia sclerotiorum and lodging and has compact plant-type trait, selecting rape line F1 as the male parent, which has good agronomic characters and high-yield trait, and cross-breeding to obtain a rape line F0; and B) sowing the rape line F0, sowing the excellent individual plants after the two-row sowing of the rape line F0, and self-inbreeding for 6 generations to obtain the high-quality double-low high-yield rape cultivar (Brassica napus) 'Zhen 2405' with excellent resistance to Sclerotinia sclerotiorum and lodging.

The invention relates to a floating seedling raising method for sweet potato true seeds, and belongs to the technical field of sweet potato true seed seedling raising.The method specifically comprises the steps that 1, a floating seedling raising pond is built and filled with water; 2, 200-pore foam floating discs are selected and filled with a seedling raising matrix with the water content of 60%; 3, the germinated sweet potato true seeds which are treated through 98% concentrated sulfuric acid and subjected to hot water and agentia soaking treatment are selected to be seeded and covered with soil, the soil surface is leveled, and the seeds are put into the seedling raising pond to be cultured; 4, water is supplemented for once every about 15 days during culturing; 5, seeding raising fertilizer is applied for the first time 3-5 days after seedlings are neat, the application amount is 15 g / disc, the concentration of nitrogen is kept to be 300 mg / L, and top dressing is performed for once every 7 days; 6, the seedlings reach the strong seeding standard after the seeds are seeded for 30-40 days and can be transplanted together with the soil.According to the floating seedling raising technique, quick and neat seedling emergence of the seeds can be promoted, the seedling emergence rate can reach 100%, the seedlings can be neat after emerging for 3-4 days, growth of the true seedlings can be kept consistent, the seedlings are strong, the root systems are developed, the root-top ratio is high, the plant height is appropriate, and time and labor are saved in the whole process.

The invention discloses a high-nutrient microbial bacterium composite fertilizer and a production method thereof. The high-nutrient microbial bacterium composite fertilizer comprises the following components in parts by weight: 16-190 parts of double-wall layer composite microbial bacterium microcapsules (containing 3-5 parts of composite microbial bacteria), 150-450 parts of monoammonium phosphate, 0-400 parts of urea powder, 100-200 parts of potassium chloride, 200-350 parts of ammonium chloride, 20-100 parts of ammonium bicarbonate, 0-150 parts of ammonium sulfate and 0-50 parts of attapulgite. The production method comprises the following steps: adsorbing the microbial bacteria by adopting germ powder thereof, performing first wall layer embedding by adopting a chemical cross-linking method, performing second wall layer embedding by adopting a spray drying process, and finally coating on the surface of chemical fertilizer granules, and split charging. The composite fertilizer is sufficient in nutrient and high in viable count, so that the microbial bacteria can be slowly released, yield increase of crops is guaranteed, the incidence rate of insect pests is reduced, and soil hardening caused by application of chemical fertilizers is improved.

The invention relates to an screening method in vitro of elephant grass salt-tolerant somatic mutant belongs to a field of agricultural biotechnology. The process is: granular callus is transferred into proliferation medium with 16g / L NaCl, into differentiation medium with 16g / L NaCl after 45 days, and into rooting medium with no NaCl after 35 days to get regeneration plant; pot salt-tolerance identification of the regeneration plant is applied after tidal flat field comprehensive agronomic characters evaluation and grass-production measurement to get plants of which the fresh grass yield is higher than a control by 23.8% in tidal flat field with pH8.67-9.01; the fresh grass increment of the first time and the second tiome of cutting for the clonal progeny of the plants is higher than the control by 9.2% and 7.4% respectively in 1 / 2Hoagland nutrient solution with 8.25g / L sea-salt; therefore, the salt-tolerant somatic mutant of good comprehensive agronomic characters and significantly high salt-tolerance is selected. The invention has the advantages of simple-operation, short-cycle, and high selection efficiency.

The invention belongs to the technical field of corn planting and particularly relates to corn planting and land improvement synchronous equal ratio empty cave bunch planting and supporting cultivation. The planting method comprises the following steps of land preparing and ridging, equal ratio empty cave bunch planting and fertilization, harvesting, stalk application and one-year fallow land improving, transferring rotted stalk into an organic fertilizer, and crop rotation planting. The equal ratio empty cave bunch planting method is adopted, corns can be well ventilated with light transmitting in both transverse and vertical directions, therefore, during the growth of corns, light energy absorption and light energy utilization and transformation in high photosynthetic efficiency can be achieved, increases of the corncob row number, the row niblet number and the thousand kernel weight are promoted, the formation of large corncobs is promoted, the lodging resistance of the corns is enhanced, the water content of the corns drops by 2-5%, and the yield increase range of the corns can reach 5-20%. According to the equal ratio empty cave bunch cultivation, 50% of a land can be fallowedand improved, fertilization and land fertility are achieved, the soil is loosened, surface water is preserved, and 40-50% of fertilizer usage amount is reduced. The corns can be planted organically and efficiently in a green and low-carbon mode.

The invention belongs to a plant chlormequat drought resistance agent which is prepared by the following ingredients in parts by weight: 12-17 parts of trinexapac ethyl, 8-12 parts of chlormequat chloride, 12-17 parts of paclobutrazol, 23-27 parts of uniconazole and 28-32 parts of morphactin. The plant chlormequat drought resistance agent has a dwarfing effect to lawn plant; with the plant chlormequat drought resistance agent, the needed flat trimming is little, water for irrigation is little, the leaves are straight and upright, the root system develops well, and the resistance to frost and drought, saline alkali, diseases and insects is good; and the plant chlormequat drought resistance agent has the advantages of low toxicity, high efficiency, environment-friendly performance and low consumption.

The invention discloses a method for fast propagation of test tube arrowhead by tissue culture. The test tube arrowhead is formed by sterilizing treatment of an explant, stem tip differentiation, subculture multiplication and induction. According to the method disclosed by the invention, the propagation of the test tube arrowhead is carried by tissue culture, and thus high propagation coefficient and short propagation period are realized; in addition, the whole propagation process is carried out under manual control conditions without being influenced by an external environment; the test tube arrowhead can be annually produced; due to small size and light weight, the test tube arrowhead can solve the problems existing in the remote transportation and storage of arrowhead test tube seedlings; the test tube arrowhead has no disease, so that the problem that a conventional arrowhead seed easily carries diseases is solved; the induction of the test tube arrowhead provides an operable simple system for research work of the carmus expansion mechanism; as an in-vitro dormancy organ, the in-vitro indoor preservation research on arrowhead germ plasm resources can be realized; and live exchange of international germ plasm resources is benefited. The invention provides a quick, convenient and effective propagation method for the development of the arrowhead industry.

The invention discloses special fertilizer for lotus roots. The special fertilizer comprises, by weight, 20-80 parts of duck manure, 10-35 parts of cow dung, 10-35 parts of earthworm cast manure, 20-25 parts of chicken manure, 5-20 parts of sugarcane residues, 5-20 parts of urea, 3-10 parts of monoammonium phosphate, 3-12 parts of monopotassium phosphate, 2-10 parts of potassium chloride, 5-20 parts of ground phosphate rock, 1-5 parts of trace elements, 0.1-0.5 part of bacillus subtilis, 0.2-0.7 part of lactic acid bacteria, 0.1-0.5 part of bacillus megatherium, 1-5 parts of humic acid, 0.5-1.5 parts of molasses, 1-2.5 parts of chitosan oligosaccharide, 1-4 parts of kaolin, 1-5 parts of calcium oxide and 50-85 parts of envelope material. The envelope material is composed of alkyd resin, attapulgite and paraffin. The special fertilizer for the lotus roots is reasonable in formula, balanced in nutrition and high in utilization rate, has a slow-release effect, meanwhile increases the yield of the lotus roots and improves the quality of the lotus roots.

The invention discloses a soilless cultivation and seedling raising method for panicled fameflower. The soilless cultivation and seedling raising method for the panicled fameflower includes the following steps of 1 cutting processing, 2 nutritional pot preparation, 3 cutting management and 4 transplanting cultivation. The soilless cultivation and seedling raising method for the panicled fameflower simply and efficiently performs cutting propagation without transplanting cultivation, the survival time is shortened to be 3-4 days, a seedling raising period is short, the survival rate is 95-97%, the panicled fameflower is strong in resistance, vigorously grow and have thick and strong stems, lodging resistance and expanded roots, and edible parts are increased. Rooting liquid contains rich small molecules, is safe, non-toxic and high in utilization and absorption rate and promotes rooting. A cultivation matrix makes the panicled fameflower grow in a fixed mode, can absorb harmful substances in the process of adsorption and growth, is antibacterial and disinfectant, water-retaining, air-permeable, balanced in nutrition and high in absorption efficiency and controls sustained release of a fertilizer, and the planting cost is saved. Pesticides are not needed in the whole process, the soilless cultivation and seedling raising method is safe and environmentally friendly, does not cause pesticide residues and improves the panicled fameflower.

The invention relates to a naphthalenedicarboxamide-containing compound having the following general formula (I) (img file='DDA0000458054830000011. TIF' wi='992' he='376' / ), wherei, in the formula, X is selected from Cl or Br; and M is selected from K, Na or NH4. The invention also relates to a preparation method of the compound. The invention also relates to a plant growth regulator composition comprising the compound. Compared with an existing plant growth regulator, the plant growth regulator composition disclosed by the invention has excellent comprehensive performance.

The invention relates to the technical field of plant growth regulators, and particularly discloses a nursery stock growth promoting and thickening agent. The nursery stock growth promoting and thickening agent is formed by mixing the following raw materials, by weight, 20 percent to 40 percent of chlormequat chloride, 0.1 percent to 0.2 percent of alpha-pimacol, 0.05 percent to 0.1 percent of indolebutyric acid potassium, five percent to 10 percent of monopotassium phosphate and the balance fillers. The nursery stock growth promoting and thickening agent can promote the growth of nursery stocks well, so that the nursery stocks are thick and strong in stem, developed in root system, high in lignification degree and reasonable in seedling height, and the wind resisting capacity and other adversity tolerating capacity of the nursery stocks are improved.

The invention provides a recycled organic fertilizer obtained by reusing sludge, cob and plant ash. The recycled organic fertilizer can improve and renovate organic matters in soil, promote microbe breeding, improve water retention and fertilizer conservation capability of soil, improve a soil structure, promote tight combination of nitrification, growth promotion and biological control, create a good ecological environment for good growth of plants and really realize continuous development of agriculture. Sludge, livestock and poultry faeces, plant ash, bone paste and EM bacteria are mixed into the recycled organic fertilizer. A weight ratio of sludge, livestock and poultry faeces, plant ash, bone paste to EM bacteria is 25: 40: 10: 20: 5. The recycled organic fertilizer can reduce use of chemical fertilizer, purify the local environment, greatly utilize and recover livestock and poultry faeces, change waste into valuables, improve farmer income, accord with a currently recommended strategic conception of rapid development of agricultural products and really realize continuous development of agriculture.

The invention discloses a cassia siamea seedling raising method for quick propagation and forestation. The seedling raising method comprises the following steps of firstly, performing deep ploughing and thorough harrowing to crush soil, disinfecting, and arranging a seedling bed; disinfecting seeds for 1.5 to 3 hours before sowing in March, sowing the seeds according to the amount of 3 to 5g / m<2>, and building a shed for shielding light; after sowing, watering at the interval of 3 to 5 days; enabling a young seedling to grow seed leaves 28 to 32 days after sowing, transplanting when the average seedling height is greater than or equal to 3cm, and mixing 75 to 85 parts of humus soil under broad-leaved forests, 12 to 18 parts of farm organic manure and 4 to 6 parts of calcium superphosphate to form nutrient soil; after transplanting, watering at the interval of 1 to 2 days; applying 0.8-1.5% of urea nutrient solution at 10th to 15th days after transplanting, and applying again at the interval of 15 to 25 days, and removing the shed 30 to 40 days after transplanting; taking the seedlings out of a nursery garden, and planting into a forest 55 to 65 days after transplanting when the average seedling height is greater than or equal to 12cm, and the ground diameter is greater than or equal to 0.15cm. The method has the advantages that the raising time of the cassia siamea can be effectively shortened, the forest can be formed when the age of seedling is one hundred days, the seedling has strong stem and branches, and the germination is regular; during transplanting, the damage to main roots and removal of tops are not needed, the survival rate of transplanting is high, the seedling recovering period after transplanting is not needed, and the growth is quick; after the seedling is planted for one year, the average seedling height is greater than or equal to 2.5cm, and the average ground diameter is greater than or equal to 4.6cm.

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 relates to the technical field of planting and discloses a method for preventing and treating chrysanthemum botrytis. The method comprises the following steps: (1) treating seedlings; (2) disinfecting soil; (3) planting the seedlings; and (4) managing the growth. According to the method for preventing and treating chrysanthemum botrytis provided by the invention, the effect is excellent, the survival rate of the seedlings is 100%, the morbidity of botrytis is reduced to 2-3%, 13.9% of planting cost is saved and the chrysanthemum increment is 16.2%; the low-temperature and sterilizing treatment is performed before the seedling planting, so that the stress resistance is enhanced and the survival rate is increased; the soil is deeply turned and disinfected under a sealed state, so that the original pests of the soil can be killed and the happening of the botrytis can be restrained; after the planted seedlings survive, the operations of low temperature, irrigation, sterilization and nutrition supplementing are regularly performed, so that the chrysanthemum stalks are thick and strong, the disease resistance is high, the lodging resistance is high, the flower color is bright, the flowering phase is prolonged by 10.3% and the healthcare function is excellent; the gardening, edible and medicinal values of chrysanthemum are obviously increased; the economic income of a farmer is increased.

The invention discloses a seedling-raising method of single cropping blanket-type rice seedlings with high acre yield through mechanical transplanting, and the method has the advantages that the vegetative mass of a seedling transplanting plant is big, stress resistance is strong and turning green and rooting are rapid after mechanical transplanting; domestic peat, wormcast and yellow sand are used as seedling raising substrates, the nutrient content is improved, seedling growth is benefited, nutrition is balanced in a seedling growth period, without fertilizer deficiency, seedling burnt, andexcessive vegetative growth, chemical control management is easy, stress resistance of the transplanted rice seedling is good, lodging is uneasy, stalk is thick and strong, and yield is high; the seedling-raising method of blanket-type rice seedlings through mechanical transplanting provided by the invention is simple to operate, expands the application scope, reduces labor intensity and labor cost of the farmer, saves both time and labour, has acre yield up to 800kg, has good economical benefits and social benefits and is suitable for large scale popularization and application.

The invention provides a method for improving the sweet potato bloosom quantity, belongs to the field of agronomy and phytophysiology, and relates to an application of stocks which contain sweet potato diplont wild species I. crassicaulis and a corresponding grafting method. The method is as follows: a sweet potato cultivator to be induced to flower is grafted on a stock which contains sweet potato diplont wild species I. crassicaulis through a cleft grafting method, and is induced to flower through short-day treatment. The method can obviously improve the sweet potato bloosom quantity, so the sweet potato cross breeding efficiency is increased.

The invention discloses a beet alkaline plant growth regulator containing cinnamamide groups. The structure is shown as a general formula I. In the formula, X is selected from C1 or Br; Y is selected from H or C1; Z is selected from H or C1; M is selected from Na, K or NH4. The compound with the general formula I has excellent functions of promoting sprouting and rooting, increasing yield and improving quality, and can be widely applied to the yield increase or the survival rate increase of agriculture or forestry.

The invention relates to a matrix for tobacco floating seedling. The matrix comprises the following components in percent by volume: 5% to 15% of peat, 45% to 55% of carbonized rice husks, 15% to 25% of inflated pearlite and 15% to 25% of vermiculite. The grain diameter of the inflated pearlite is 1-3 mm. The grain diameter of the vermiculite is 1-3 mm. The rice husks after smashing carbonization are utilized for replacing at least partial peat or even completely replacing the peat, the carbonized rice husks, the vermiculite and the inflated pearlite are uniformly mixed in a certain volume ratio to prepare the matrix for tobacco floating seedling, the carbonized rice husks are abundant in raw materials and low in cost, and the disadvantages that existing peat resources are limited and the matrix is high in cost are overcome. A tobacco root system cultivated by the matrix is developed, and is stocky in stems, good in comprehensive quality and high in survival rate of tobacco seedling transplanting.

The invention relates to a special compound fertilizer for euscaphis konishii hayata. According to the growth law of euscaphis konishii hayata, one type is a special compound fertilizer for bud seedlings, the best formula is that the mass ratio of N to P to K is 23:6:30, and 0.1g of urea, 0.1g of calcium, magnesium and phosphorus and 0.1g of potassium chloride are applied to a single bud seedling; by adopting the technology, the bud seedling height is increased by 32.16% in comparison with that before fertilization, the leaf number is increased by 7.17%, and the survival rate of bud seedlings in 8 months exceeds 90%; the other type is a special compound fertilizer for seedlings, the best formula is that the mass ratio of N to P to K is 406:105:225, and 3.5g of urea, 3.5g of calcium, magnesium and phosphorus and 1.5g of potassium chloride are applied to a single one-year-old seedling; and by adopting the technology, the seedling height is increased by 35.49% in comparison with that before fertilization, the ground diameter is increased by 15.23%, and the survival rate of seedlings in 18 months exceeds 90%.

The invention discloses a microbial preparation for promoting rooting and lodging resistance of rice and application thereof. The microbial preparation is prepared from glucose, glutamic acid, monocalcium phosphate, sodium borate, zinc sulfate, magnesium sulfate, sodium silicate, compound probiotics and clear water. The raw materials comprise the following components in parts by weight: 50-70 parts of glucose, 2-8 parts of glutamic acid, 20-40 parts of monocalcium phosphate, 2-7 parts of sodium borate, 5-15 parts of zinc sulfate, 2-8 parts of magnesium sulfate, 2-8 parts of sodium silicate, 80-100 parts of compound probiotics and 800-1000 parts of clear water. The microbial preparation is diluted with clear water by 30-50 times, the diluted microbial preparation is sprayed to leaves once in the one-leaf one-core period, the two-leaf one-core period and the middle and later tillering period of the rice growth period, and the use amount of the microbial preparation in the middle and later tillering period is 15-20 L / hm < 2 >. The microbial preparation is sprayed to leaves of rice seedlings, rooting of rice can be promoted, plant stalks are thick and strong, and rice lodging is reduced.

The invention discloses a production method of rice seeds. The method is characterized in that rice seeds produced by indica / japonica intermediate type restoring series R900 are adopted, wherein the indica / japonica intermediate type restoring series R900 are the intermediate materials which are prepared through wide spectrum and wide compability gene according to the high heterosis of indica / japonica subspecies; the intermediate materials are large in capacity, sufficient in source, high in ripening rate, and good in circularity; then the high pressure sieving is carried out to select multi-antibody seedling germplasm with polymerized indica / japonica stress resistance genes; the new rice spicy with high output, high quality and unified multi-antibody performances can be selected by rice inspection.

The invention relates to a japonica-type conventional paddy rice breeding and cultivation technology, and relates to the field of agriculture. The invention especially relates to a paddy rice cultivation technology. With the japonica-type conventional paddy rice breeding and cultivation technology provided by the invention, a paddy rice easy lodging phenomenon can be solved, rice ear size is uniform, and yield is high. The technology is characterized in comprising the following steps: 1, breeding is carried out, wherein an ear row nursery is built; 500-1000 typical single-ear seeds are selected, and are respectively sowed and transplanted; the rice is planted in 5-10 Mu of ear row nursery; 2, strong seedlings are cultivated, and sowing is carried out at an appropriate time. A paddy nursery seedling sowing amount per Mu is 25-30kg, and a dry nursery seedling sowing amount per Mu is 35-40kg; 3, the transplanting specifications are that 20000-22000 seedlings are transplanted in every Mu when a seedling age is approximately 35 days; 4, fertilizer and water management are carried out according to a principle that heavy application should be carried out in an early stage, stable application should be carried out in a middle stage and supplementary application should be carried out in a late stage; and 5, available potassium content in mountain area soil is low, such that requirements of paddy rice growth cannot be satisfied. Therefore, if potassium is applied, a significant yield increase effect is provided. Calculated according to K2O potassium, when a potassium fertilizer dose is within a range of 5-10kg / 667m<2>, the potassium fertilizer dose is significantly positively correlated with yield.

The invention discloses a chelate-type plant growth regulator. The chelate-type plant growth regulator is prepared from the ingredients in parts by weight: 0.4-0.5 part of sodium ortho-nitrophenolate, 0.6-0.8 part of sodium para-nitrophenolate, 0.3-0.5 part of sodium 5-nitroguaiacolate, 0.7-0.95 part of giant knotweed, 1-5 parts of urea, 1-2 parts of potassium nitrate, 2-5 parts of activator and 5-8 parts of chelant, wherein the chelant is prepared from the following ingredients in parts by weight: 10-15 parts of dried lemon peel, 2-5 parts of dried orange peel, 25-30 parts of rice washing water and 0.1-0.3 part of sodium carboxymethyl cellulose. The chelate-type plant growth regulator can be used for enabling crop root systems to be developed and stalks to be thick and strong, enhancing root activity, accelerating the absorption and supplying of nutrients, improving the disease resistance of plants and promoting the growth of plant cells, thereby promoting the yield increase of the crops and income increase.

The invention relates to the technical field of rice breeding and in particular discloses a method for breeding a novel full-fragrance type high-quality high-yield hybridization black rice variety. The method comprises the following steps: A, breeding a fragrant high-quality black rice sterile line Heixiang 1A; B, breeding a fragrant high-quality round-grained nonglutinous rice restorer line Xianghui 78; C, breeding a novel full-fragrance type high-quality high-yield hybridization black rice variety Heixiangyou 178. The method has the characteristics that varieties with high quality and good resistance are adopted as parents, the quality and the resistance of hybridization generations can be improved, correct hybridization and rehybridization methods are used, and the polymerization frequency of beneficial properties can be effectively improved.

The invention discloses a rice seed production method. The method is characterized in that rice species seeds generated by the Indica-Japonica intermediate type restorer 'R900' are adopted; the Indica-Japonica intermediate type restorer 'R900' is obtained in the manner that an intermediate material large in inventory, sufficient in source, high in grain setting rate and good in grain plumpness is bred with wide-spectrum and wide-compatibility genes by utilizing the strong heterosis of Indica-Japonica subspecies, a multi-resistance pioneer germplasm with Indica-Japonica stress resistance genes polymerized is selected through high-pressure screening, and finally a high-yield, good-quality and multi-resistance-unified new rice species is selected through rice quality inspection.

The invention discloses a growth-promoting slow release fertilizer special for lotus roots. The slow release fertilizer comprises fertilizer particles, slow release layers wrapping the surfaces of the fertilizer particles and protective layers wrapping the slow release layers; the fertilizer particles are prepared from urea, monoammonium phosphate, monopotassium phosphate, ground phosphate rock, potassium nitrate, potassium chloride, potassium minerals, magnesium humate, zinc humic acid, humic acid urea iron, boracic acid, copper citrate, manganese citrate, saccharomycetes, lactic acid bacteria, molasses, chitosan oligosaccharide, fresh ginger and 1-hydroxyethylidene-1,1-diphosphonic acid. According to the growth-promoting slow release fertilizer special for the lotus roots, the formula is reasonable, nutrition is balanced, and the growth of the lotus roots can be promoted; meanwhile, the slow release effect is achieved, onetime application can be conducted before transplantation, the utilization rate is high, and the obtained lotus roots are good in quality and high in yield.