93 results about "Gibberellic acid" patented technology

The invention discloses a polygonatum multiflorum seed raising method. The polygonatum multiflorum seed raising method includes harvesting polygonatum multiflorum fruits when they turn into black from dark green, sealing them in a plastic bag for fermenting for five to fifteen days and then scrubbing to obtain clean polygonatum multiflorum seeds; mixing the clean seeds with wet sand according to the ratio of 1:3-4, storing for 80-120 days at 4 degrees Centigrade, soaking the seeds for 24 hours by 500 mg/L of gibberellin, paving the seeds in a culture dish with wet filter paper, accelerating germination in a manual climatic box in the dark environment at 25 degrees Centigrade until buds grow to 0.6 to 1 cm; finally sowing the seeds on a ready seedbed and covering the seedbed with withered grass, and setting up a shading net of 50-80% at shading rate on the seedbed; removing the withered grass after germinating to keep the seedbed wet and shaded, and removing weeds and fertilizing farmyard manure in time. Through practice, the polygonatum multiflorum seed raising method is used for raising seedlings, and high emergence rate and speed and short raising period of the polygonatum multiflorum seeds can be ensured.

The invention belongs to crude drug cultivation field, which in detail relates to a method for treating Sichuan fritillary bulb seed for autumn sowing. The method comprises following steps: (1) selecting plump seed harvested in the same year, mixing treated seed with soil, storing at dark and humid condition for 3- 15 weeks; (2) immersing seed with activol solution with concentration of 10 -80 ppm; (3) airing and sowing immersed seed. The method is characterized in that the rate of emergence is as high as 88%, the survival rate of seedlings in one year reaches above 75%, the seed availability rate is increased, Sichuan fritillary bulb production is increased and it is simple and suitable to be used in field.

The invention relates to the field of a feed additive, particularly relates to a selenium-rich feed additive and a preparation method of the feed additive. The selenium-rich feed additive is cardamine hupingshanensis dry powder with the selenium concentration being 1700-2500ppm. The preparation method of the selenium-rich feed additive comprises the following steps of: transplanting and cultivating cardamine hupingshanensis plant with turfy soil as matrix; carrying out root-irrigation with sodium selenite with the concentration being 250-500ppm after transplanting and cultivating for two months; 20 days before bolting, mixing sodium selenite with the concentration being 300-700ppm and gibberellins with the concentration being 50-90ppm and spraying the mixture to cardamine hupingshanensis plant; and drying and sterilizing the pure cardamine hupingshanensis plant at 80-110 DEG C, then crushing to obtain selenium-rich cardamine hupingshanensis dry powder with the selenium concentration being 1700-2500ppm. The selenium-rich feed additive can enhance the ability of livestock and poultry, thereby preventing disease, improving immune ability and oxidation resistance of livestock and poultry, improving the egg yield and milk yield of animals, and prolonging the period of egg laying and milk producing products; moreover, the feed additive is safe and non-toxic.

The invention relates to a seed-dressing agent containing fludioxonil. The seed-dressing agent is characterized in that effective components in the seed-dressing agent include the fludioxonil (A) and at least one of naphthoxyacetic acid and gibberellic acid (B), wherein the weight part ratio of the effective components (A to B) is 40:1 to 0.1:40 and can be 20:1 to 0.1:10 preferably; the total weight part of the effective components (A and B) in a preparation of the seed-dressing agent accounts for 1-80 percent of the total weight part of the whole preparation and accounts for 1-25 percent preferably. A pesticide preparation formulation which can be prepared from the seed-dressing agent is a suspended seed coating, an emulsifiable concentrate, wettable powder and granules. The seed-dressing agent has a remarkable synergistic effect, the problem of weak sterilization performance of the naphthoxyacetic acid and the gibberellic acid is solved, the problem of gradual reduction of the sterilization effect of the fludioxonil is solved, the sterilization stability of the fludioxonil under the external environments of different temperatures, different degrees of dryness, different degrees of humidity and the like is improved, and the drug resistance is delayed.

The invention provides a cotton root regrowth-type growth promoter and a preparation method thereof. The promoter is prepared from following main components: a rooting conditioning agent, a cell excipient and gibberellin with the aid of a water-retaining agent, an adhesive, high-concentration ethanol, tap water and dry sand. The rooting conditioning agent is one or more selected from sodium naphthalene-1-acetate and sodium 3-indolebutyrate. The cell excipient is one or more selected from sodium nitrophenolate and potassium nitrophenolate. The promoter is capable of regaining cotton root activity, promoting root regrowth, promoting extension of newborn root, increasing the fertilizer utilization rate, promoting growth of the overground part, preventing premature senescence and increasing the output.

The invention discloses a plant growth conditioner for reducing damage caused by high temperature to rice, and a using method and application of the plant growth conditioner. The conditioner comprises gibberellin and salicylic acid, wherein the weight ratio of gibberellin to salicylic acid is (0.5-1.5):(0.15-0.6). The conditioner can also comprise chitosan oligosaccharide according to a certain ratio. When the conditioner is used, an aqueous solution form is adopted, wherein an aqueous solution is prepared from 50 to 150mg/L of gibberellin, 15 to 60mg/L of salicylic acid and 50 to 200mg/L of chitosan oligosaccharide, and is applied to leaves in a spraying way during the meiosis stage of pollen mother cells of rice, and 30 to 45 liters of aqueous solution is applied to each acre. The plant growth conditioner can be applied to reduce the damage caused by high temperature to rice, and is suitable for popularization and application in a rice culturing region on the middle and lower reaches of Changjiang River, particularly in a region at which the temperature in a flowering period is always high, and high and stable yield of rice is ensured.

The invention relates to a method for producing ternary hybrid japonica rice with stable and high yield, high purity and high germination rate, which mainly comprises the following steps of: (1) selecting a proper seed production base; (2) selecting a high-purity sterile line to be used as a female parent for seed production; (3) selecting a proper sowing period and seedling transplanting period; (4) reasonably accelerating germination, and cultivating and strengthening seedlings: uniformly and thoroughly airing seeds before sowing, soaking the aired seeds in an agent, and sowing the seeds when the germination rate reaches about 60%; (5) choosing proper density and line ratio to ensure sufficient number of productive ear for the female parent; (7) applying effective flowering phase and flowering time adjustment technologies mainly including a fertilizer adjustment method and a gibberellic acid adjustment method; (8) enlarging the ear height difference between the male parent and the female parent by using gibberellic acid; (9) carrying out artificial supplementary pollination; and (10) effectively controlling pests and weeds, harvesting the rice at the right time, and carrying out fine processing to ensure that seeds with high purity and high germination rate are obtained.

The invention relates to a big seedless grape cultivation method. The big seedless grape cultivation method includes the following steps of firstly, 10 to 15 days before grape flowering, pressing grape inflorescence which is selected and reserved after inflorescence thinning and still in the bud stage into GA3 liquid with the concentration of 20 ppm to get wet; secondly, after grape flowering, gently pressing trimmed spica into SM liquid with the concentration of 25 ppm to get wet; thirdly, 15 days after flowering, spraying CPPU with the concentration of 10 ppm onto spica fruit till the spica fruit gets wet; fourthly, 10 to 15 days after flowers wither away, spraying 0.1% thidiazuron liquid with the concentration of 100 ppm till the spica fruit gets wet, and finally conducting management according to a conventional method. According to the big seedless grape cultivation method, the grape seedless rate is close to 100%, the weight of single fruit can be more than 12 g through application of swelling agents, quality of grapes is greatly improved, and farmer income increase is promoted.

The invention discloses a grass seed pelleting seed coating agent for planting grassland vegetation of falling zones of reservoir areas, which comprises a water-absorbing resin, a compounding active constituents which synergetically promote the germination of grass seeds and strengthen the capabilities of the drought resistance and the growth of grass, and an inert constituent which can supplement the soil defect of the falling zones of the reservoir areas and strengthen the weight of the grass seeds, wherein the compounding active constituent consists of 5 to 10 mass portions of furfuraldehyde derivative, 0.1 to 0.25 mass portion of gibberellin, and 89 to 95 mass portions of sodium humate. The seed coating agent orderly contains 5 to 20 mass portions of the water-absorbing resin, 5 to 10 mass portions of the gibberellin, and 70 to 90 mass portions of the sodium humate. The invention also discloses a pelleting technology and a pelleted outer-layer constituent with functions of water absorption and adhesion when encountering water. The invention overcomes the defects of steep terrain, barren soil, poor water retention property, as well as difficult ground adhesion and difficult germination and growth of sown grass seeds that the plantation of the grassland vegetation of the falling zones of the reservoir areas faces, also applies the furfuraldehyde derivative to the seed pelleting seed coating agent, and reduces the effective using concentration of the gibberellin to between 0.6 and 1.5ppm.

The invention discloses a rice growth regulator. The rice growth regulator is composed of 0.001 to 0.005% of triacontanol, 0.001 to 0.01% of gibberellin, 1 to 5% of urea, 0.2 to 0.8% of potassium dihydrogen phosphate, 0.2 to 0.8% of boric acid, 0.02 to 0.08% of a dispersing agent, 1 to 10% of ethanol and the balance of water. The rice growth regulator is sprayed to leaf surfaces in rice tillering, jointing and full heading periods. Triacontanol and gibberellin produce synergism so that the lodging resistance of rice is improved. The regulator and the chemical fertilizer are used together so that the absorption of the chemical fertilizer and dry matter accumulation of the rice are promoted and a rice yield and quality are improved.

A method for making the grape bigger includes preparing the gibberellin solution of the mixed solution of gibberellin and forchlorfenuron, pruning the grape ears while decreasing the number of grapes on an ear about 14 days after the grapevine is bloosoming, and immersing the growing grapes in said solution for 5-10 S.

The invention provides a carex brunnescens seed germination method. The method comprises the steps as follows: after carex brunnescens seeds are washed and aired, seed coats are broken with a mechanical treatment method and an acid or alkaline solution soaking method, disinfection is performed with an ethanol solution after washing, then, seeds are soaked with distilled water and soaked with a gibberellic acid solution with concentration of 50-200 mg/L, meanwhile, temperature change tretament adopting 25 DEG C and 5 DEG C high/low temperature alternation is performed, and a germination test isconducted. The germination rate of the carex brunnescens seeds is increased, the germination rate after 10 d of germination reaches 47.9%-65.1%, seeds germinate uniformly, the germination time is shortened, the problem of breeding of carex brunnescens in Maqu cold upland is solved, the biological desertification prevention and control cost is reduced, the method has great significance in shortening the restoration time of deteriorated grassland, reducing original vegetation deterioration and improving sand stabilization effect, and new research prospects are opened up for technical approachesof exploring ecological restoration of deteriorated grassland in the cold upland.

The invention discloses a method for cultivating sapodilla dolls, which is a new plant variety. A panicled fameflower root which belongs to a portulacaceous fameflower annual or perennial herbaceous plant is taken as a male parent, and is hybridized with a sapodilla which belongs to a perennial solanaceae herbaceous plant and is taken as a female parent; a hybrid progeny seedling is taken as a scion, and is grafted on calabash which belongs to a cucurbitaceous plant and is taken as a rootstock; and a fruit borne on a grafted branch after grafting is stippled by use of gibberellin and mepiquat chloride solution, so as to generate a fruit exactly like a doll, namely a sapodilla doll. The new plant variety cultivated by the method has the advantages of developed root system, thick leaves, deep green color, vigorous growth, strong disease resistance, high yield, rich fruit nutrition, beautiful appearance and processing convenience.

The invention provides a method for treating crop seeds through atmospheric pressure room temperature plasma. The method can be used for treating mung bean seeds, soybean seeds, corn seeds and wheat seeds. Compared with a control group, the bud ratio of crop seeds treated through plasma is obviously improved; the bud ratio of crop seeds subjected to germination treatment is further obviously improved, and the mutagenic effect is better, for example, the bud ratio of crop seeds subjected to mechanical seed coat breaking treatment is obviously higher than that of crop seeds subjected to seed coat complete germination, and the bud ratio of crop seeds subjected to gibberellin soaking treatment is obviously higher than that of un-soaked crop seeds.

The invention discloses a method for increasing the yield of seedless sunshine rose grapes. The method comprises the following steps that (1) spica shaping is conducted; (2) seedless fruit retention treatment of spica is conducted, specifically, as for the seedless fruit retention treatment, the spica is soaked in 20% gibberellic acid with the concentration of 20-25 mg/L and 0.1% forchlorfenuron with the concentration of 2-2.5 mg/L; (3) fruit cluster expansion treatment is conducted, specifically, as for the fruit cluster expansion treatment, fruit clusters are soaked in 20% gibberellic acid with the concentration of 20-25 mg/L and 0.1% forchlorfenuron with the concentration of 2.5-3.75 mg/L; (4) after cluster fixing is finished, fruit grains are thinned in time; (5) after fruit grain thinning is finished, pesticide is sprayed in time, and special bags for grapes are sleeved; and (6) harvesting is conducted after the grapes are mature. According to the method, in the fruit cluster expansion stage, cluster soaking agents are changed, gibberellic acid in the prior art is replaced with a combined preparation of gibberellic acid and forchlorfenuron, and the per mu yield of the grapes is increased.

The invention discloses a regulation and control method for improving the fruit quality of summer black grapes. The regulation and control method comprises the following steps: carrying out uniform cluster dipping treatment by adopting a mixed solution of 25 ppm of gibberellic acid, 5 ppm of an anti-falling element, 2.5 ppm of thidiazuron and 200 ppm of streptomycin in a cluster lengthening stage,then carrying out flower cluster shaping on grapes, and in 5-7 days after flowers fall, carrying out uniform expansion treatment on the flower clusters by using 25 ppm of gibberellic acid and 3 ppm of thidiazuron. According to the invention, by adoption of cluster dipping treatment with medicament and timely flower cluster shaping in the cluster lengthening stage, distribution of plant hormones in the flower clusters is regulated, so the fruit setting of the summer black grapes which cannot naturally set fruits is improved; meanwhile, the flower clusters can be lengthened; fruit grain gaps can be increased; the effect of easily thinning fruits is achieved; operation for fruit retention with a regulator is reduced; nutrient competition of flower buds in the flowering process is reduced; the sizes of grape clusters are controlled; the fruits are increased in size; and the fruit quality is improved.

The invention discloses a pesticide composition with high utilization rate, and relates to the technical field of pesticide preparation. According to the technical key points, the pesticide composition with high utilization rate is prepared from a compound reagent and an adhesion additive with the weight part ratio of 1:(0.0002-100), wherein the compound reagent is prepared from gibberellin and brassinolide with the weight part ratio of 1:(0.0001-10), and the adhesion additive is prepared from carbomer and hydroxypropyl methyl cellulose with the weight part ratio of 1:(1-2). According to the pesticide composition, the adhesion additive containing the carbomer and the hydroxypropyl methyl cellulose is added, so that the adhesion property of the pesticide composition on the surfaces of leaves of crops is improved, and therefore the utilization rate of the pesticide composition is improved.

The invention discloses a method for promoting germination of Tinospora capillipes Gagnep seeds. The Tinospora capillipes Gagnep seeds are soaked in a seed soaking chemical for 12-36 h before germination culture of the Tinospora capillipes Gagnep seeds, wherein concentrations of kinetin and gibberellin in the seed soaking chemical are 5-30 mg/L and 150-350 mg/L respectively. According to the method for promoting germination of the Tinospora capillipes Gagnep seeds, the seeds are treated with the seed soaking chemical, so that germination rate of the Tinospora capillipes Gagnep seeds is increased, germination time is shortened, germination uniformity of the seeds is improved, and Tinospora capillipes Gagnep seedings with high quality are obtained.

The invention discloses an efficient and comprehensive actinidia chinensis transplantation treatment agent. Each gram of the treatment agent comprises: 0.005g-0.01g of a bactericide; 0.1g-1g of an insecticide; 0.2g-0.5g of ethanol; 1*10<-4>g-2*10<-4>g of gibberellin; 3*10<-7>g-5*10<-7>g of indoleacetic acid; and 1*10<-7>g-4*10<-7>g of brassinolide. The treatment agent provided by the invention contains gibberellins, brassinolide and indoleacetic acid, which can break the period of dormancy of actinidia chinensis roots to accelerate germination and improve the survival rate of transplantation. The treatment agent contains ethanol, which can promote the efficacy of gibberellins, brassinolide and indoleacetic acid in breaking the period of dormancy of actinidia chinensis, thus having a strengthening effect.

The invention relates to a method for breeding spores of palm-shaped Tectaria subpedata(Harr.)Ching. The method is characterized in that the spores of the palm-shaped Tectaria subpedata(Harr.)Ching are immersed in a gibberellin water solution with the concentration between 10 and 75mg/L for 5min, sowed in a soil substrate with the pH value between 6.3 and 6.4 and cultured in a green house with the temperature between 25 and 30 DEG C, the illumination intensity between 2,000 and 3,000lx, the illumination time between 11 and 13h/d and the humidity between 60 and 80 percent so as to obtain juvenile sporophytes; after the juvenile sporophytes grow 2 to 3 pinnas, the juvenile sporophytes are replanted in the soil substrate with the tray pH value between 6.3 and 6.4 and cultured in the green house with the same conditions. The method of the invention utilizes the characteristics that gibberellin is capable of breaking the dormancy of seeds, tubers and bulbs, etc., to breed the spores of palm-shaped Tectaria subpedata(Harr.)Ching, which effectively shortens the breeding cycle of the spores of palm-shaped Tectaria subpedata(Harr.)Ching, makes the survival ratio of the juvenile sporophytes reach more than 90 percent, facilitates the mass production of palm-shaped Tectaria subpedata(Harr.)Ching and provides technical support for pushing the palm-shaped Tectaria subpedata(Harr.)Ching to flower markets.