228results about How to "Increase thousand kernel weight" patented technology

The invention relates to a special controlled release fertilizer for wheat and a preparation method thereof and belongs to the technical field of sustained release fertilizer and controlled release fertilizer. According to the rule of the fertilizer requirement of the wheat, the invention remixes 5 percent, 6 percent and 7 percent thermoplastic resin coated urea, sulfur coated urea, potassium chloride complex fertilizer, the potassium chloride, diammonium phosphate and zinc sulfate exactly to form the special controlled release fertilizer for wheat. The nutrient release rule of the controlled release fertilizer is in accordance with the nutrition absorption rule of the wheat, and the cost of the controlled release fertilizer is reduced; no more fertilization is required after one time of the fertilization of the controlled release fertilizer before the wheat is seeded, which reduces the labor intensity of the farmer and the labor cost.

Disclosed are a rice growth regulator, a preparation method and a usage method thereof. The preparation method of the rice growth regulator includes using main raw materials of, by mass, 0.002%-0.0025% of abscisic acid, 0.5%-2% of urea, 0.1%-0.5% of boric acid and 0.2%-0.5% of monopotassium phosphate, dissolving the abscisic acid by means of ethanol, and evenly mixing the abscisic acid with other raw material aqueous solutions. Foliar spraying is performed at the middle and late stage of the growth of rice, so that stem-sheath assimilative matter translocation and grain filling of the rice are promoted, the setting percentage is increased, rice qualities are improved, and yields are increased; and besides, draught resistance and stress resistance abilities of the rice can be improved. The rice growth regulator, the preparation method and the usage method thereof are safe and environment-friendly, simple in preparation, low in cost, obvious in effect and easy to popularize.

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 provides application of a synthetic transcription factor VP64-Os01g63510. Transcription factor activation motifs VP64 (namely the four transcription factor activation motifs VP16) and paddy rice transcription factors Os01g63510 are constructed to obtain the synthetic transcription factor in a gene fusion mode. The synthetic transcription factor VP64-Os01g63510 is transformed into paddy rice to improve characters of paddy rice seeds. Therefore, the genetically modified paddy rice seeds are obviously lengthened and widened, the thousand seed weight is obviously increased, and the market application prospects are good.

The invention belongs to compound silicon fertilizer, in particular relates to soluble silicon-nitrogen-kalium liquid fertilizer, wherein silicon is soluble silicon existing in the form of silicate so as to be beneficial to being absorbed by crops completely, and the fertilizer can be used to cereal crops or leaf surfaces of other silicon-like crops. The preparation method of the fertilizer comprises the following steps: adding proper amount of fulvic acid aqueous solution in a reaction kettle, heating the solution and adding citric acid solid powder in the solution; slowly adding potassium metasilicate liquid into the reaction kettle and continuously stirring; adding ethylene diamine tetracetate manganese solid powder into the reaction kettle, continuously stirring and keeping constant temperature; adding sodium of polyaspartic acid liquid, polyethyleneglycol aqueous solution and compound potassium aqueous solution into the reaction kettle in sequence, continuously stirring and keeping constant temperature. After being sprayed on leaf surfaces of crops, the invention can obviously strengthen the fall resistant capability and the disease and insect pest resistant capability of crops, promotes the growth of the crops, enhances the seed set propagation coefficient and increases the thousand seed weight, thereby enhancing the yield.

The invention provides a yield-increasing regulator used for expanding the ear of grains, increasing the grains and resisting the lodging for the corn, and a preparation method and an application thereof. The regulator contains the following components by certain weight percentage: a plant growth regulator, a promoting agent, a speader, absolute ethyl alcohol and water for the rest; wherein, the growth regulator is florel, gibberellin and 6-furfuryl aminopurine, the promoting agent and the speader are selected from tween 20, tween 40, tween 60, tween 80 or tween 85. The regulator has the double functions of strengthening the lodging-resistant and increasing yield, and is characterized by innocuity, no side effect, low cost, convenient usage and the like.

The invention relates to a direct seeding planting method for rice on dry field. The method comprises the following steps: S1, soil preparation stage before seeding; S2, seed soaking and seeding; S3, coverage of covering; and S4, management after seeding. According to the direct seeding planting method for the rice on dry land provided by the invention, seeds are directly mixed with a drought resistant agent and water uniformly to form gelatinous substances containing the seeds, the gelatinous substances are planted in the dry land, and then a layer of covering covers the dry land. The direct seeding planting method for the rice on dry field has the beneficial effect that according to the planting method, the seedling stage after direct seeding is short; emergence rate and survival rate of seedlings are increased; drought resistant level of the rice in the whole production process is improved remarkably; frequent watering and irrigation are not required; and labor management cost is low.

The invention relates to a method for breeding black barley, and belongs to the technical field of crop breeding. The method is special for the production of the black barley. The method comprises the following steps of: performing artificial crossing group mating by using two-rowed barley flower 30 as a female parent and using new black barley line 96717 as a male parent, performing secondary backcross by using an F1 generation plant as a female parent and using flower 30 as a transmigration male parent, and selecting individual black strains in backcross descendants to obtain black barley hybrid varieties. The bred strains have the characteristics of short stalks, lodging resistance, high yield, high thousand seed weight and the like. The bred strains are well shown in Jiangsu coastal regions, the thousand seed weight reaches over 42 grams, and the bred strains are suitable for the demands of processing barley kernels and barley meal and popularized and planted in the Jiangsu coastal regions.

The present invention relates to a method for raising filling efficiency of rice seed, and a method of raising super-grade rich yield by using transgenic technique of plump rice seed. Said method includes the following steps: introducing the starch synthetic key enzyme gene (AGG) mutated by induction into the callus of immature embryo of super-grade rice variety of sparing grain, screening and cultivating to obtain rice seedling, transplanting it to greenhouse or field to obtain To generation plant, making agronomical character investigation of To generation plant in which the mutant AGP gene is transferred, selecting the seed of plant whose thousand-grain weight is relatively high and cultivating it to obtain Ti generation plant, and making agronomical character investigation of Ti generation plant.

The invention discloses a cold-resistant agent for rice. The cold-resistant agent is formed by mixing and uniformly stirring the following raw materials in parts by weight: 20-25 of allantoin, 10-20 of proline, 10-20 of glycine, 10-20 of potassium dihydrogen phosphate, 10-15 of boric acid, 10-15 of zinc sulfate and 5-10 of manganese sulfate. After the raw materials are scientifically combined, the effect is composited; and field trials prove that after the rice is sprayed by 1000 times of solution of the product, the bound water and the chlorophyll of plants can be improved, the permeability of cell membranes is reduced, the cold tolerance of rice seedlings and plants is obviously improved, the damage of cold dew wind is effectively avoided, the ripening rate and the thousand seed weight are improved, the ageing of functional leaves and branches of rice can be delayed, and the lodging-resistance effect is obvious.

The invention discloses an application of a rice PS1 protein and a rice PS1 protein coding gene in the adjustment of plant senescence. The application disclosed by the invention particularly relates to the application of the protein formed by amino acid sequences shown in a sequence 2 in a sequence table or the protein coding gene in the adjustment of plant senescence. A rice premature senescence mutant is cloned into the PS1 gene, so that the PS1 gene is adjusted and controlled by development ages and subjected to the peculiar induction of abscisic acids. The transgenosis experiments prove that the over-expression of the PS1 gene in wild-type rice can result in premature senescence; and the senescence can be delayed to a certain degree by inhibiting the expression of the PS1 gene in rice, so that the thousand seed weight of grains is increased, and the PS1 gene has good application potentiality in the increase of rice yields. The rice PS1 protein and the rice PS1 protein coding gene have potential application value in the terms of adjusting and controlling the plant senescence by using a genetic engineering means so as to carry out high-yield molecular breeding.

The invention discloses a synergistic agent for a nitrogen fertilizer. The synergistic agent is characterized in that the synergistic agent is 2,5-dichloronitrobenzene, and the 2,5-dichloronitrobenzene content of the nitrogen fertilizer is 3 to 5 percent of the nitrogen content of the nitrogen fertilizer. The 2,5-dichloronitrobenzene is a product produced by optionally filtering industrial byproducts, solid waste, Chlorobenzene and tar. Tested in fields of related counties, the synergistic agent for the nitrogen fertilizer is proved to have functions of fixing the nitrogen and maintaining the fertilizer, effectively inhibiting the activities of nitrobacteria and denitrifying bacteria in soil, avoiding the loss of the nitrogen, and improving the utilization ratio of the nitrogen.

The invention discloses an application of a soybean MYB32 transcription factor encoding gene GmMYB32. The nucleotide sequence of the soybean MYB32 transcription factor encoding gene GmMYB32 is represented by SEQ ID NO.1. A constructed plant overexpression vector pMDC83-GmMYB32 is heterologously expressed in wild Arabidopsis thaliana, and it is found that the overexpressing plant grows strong underlow-phosphorus conditions, the biomass is increased, the length of a main root and the fresh weight of an overground part of the overexpressing plant are significantly higher than those of the wild type, so the gene can be introduced to plants as a target gene, and the growth vigor of the plants can be enhanced to reverse the phosphorus deficiency symptoms of the plants and improve the low phosphorus tolerance of transgenic plants. The soybean MYB32 transcription factor encoding gene GmMYB32 can enhance the growth vigor of the plants and reverse the phosphorus deficiency symptoms of the plants by genetic engineering, so the low phosphorus tolerance of the transgenic plants is improved.

The invention disclose a hybridizing and breeding method of dwarf lodging-resistant winter wheat with high photosynthetic efficiency of wheat and low seed charge and fertilizer feed. The method comprises the following steps: carrying out interspecific hybridization of varieties of Masutuo wheat and big heat wheat; selecting a 61-1 wheat strain from a hybrid generation as a cross parent; carrying out hybridization with Westmount wheat variety; then, selecting a 61-4 wheat strain from the hybrid generation of Westmount wheat variety and 61-1 wheat variety as the cross parent again; and carrying out hybridization with the wheat strain 84114 to obtain the dwarf winter wheat. The method provided by the invention has the beneficial effects that according to the hybridizing and breeding method of the dwarf winter wheat, the bred winter wheat is named as Yinong 61 wheat variety which has the advantages of late seeding time, quick mature, tiller productive in spring, high percentage of earbearing tiller, dwarf, more spikes, more grains, high thousand seed weight, excellent weak gluten, large leaf area, high photosynthetic efficiency and strong cold resistance and lodging resistance.

The invention provides a plant growth regulating composition containing iron chlorin e6 and application thereof. The plant growth regulating composition comprises a first active component, namely ironchlorin e6, and a second active component, namely prohexadione calcium or naphthylacetic acid, wherein a mass ratio of iron chlorin e6 to prohexadione calcium is (0.01-0.5): (10-30), and a mass ratioof iron chlorin e6 to naphthylacetic acid is (0.01-0.5): (5-10). The invention provides a preparation dosage form of the composition, namely soluble powder, water dispersible granule, wettable powderor soluble liquid. The composition is used for promoting the growth of tomatoes and rice and improving the quality of tomatoes. According to the invention, the application of iron chlorin e6 in the field of plant growth regulators is expanded.

The invention discloses a nano light carbon agent and preparation method thereof. The nano light carbon agent is prepared from the following components in a certain proportion: carbon nano tube, titanium dioxide nano tube, chlorella, porphyridium, glutamine, alanine, histidine, NaHCO3 (sodium bicarbonate), KNO3 (potassium nitrate), KN2PO4 (monopotassium phosphate) and distilled water; the preparation method comprises the following steps: (1) respectively weighing the raw materials for later use; (2) respectively weighing the raw materials in the step (1) according to weight percentage, uniformly mixing the carbon nano tube, titanium dioxide nano tube, chlorella, porphyridium, glutamine,alanine, histidine, NaHCO3, KNO3, KN2PO4 and distilled water, regulating pH value by using sodium hydroxide, putting in a reaction vessel, adequately stirring, and reacting for 8-12 hours to obtain the nano light carbon agent. The nano light carbon agent is reasonable in formula, convenient to use, simple to operate and high in nutrition use rate, is ecological and environment-friendly, has no environment pollution and can be conveniently popularized and applied; the yield of crops and the quality of fruits are improved to the greatest extent; and the preparation method is easily implemented.

The invention belongs to the technical field of crop production, particularly relates to an agent for promoting increase in crop yield, and further relates to a method for promoting increase in crop yield. The agent is characterized by comprising a plant active solution and at least one soil texture modifier. The method comprises the following steps: spraying the plant active solution to the leaf surfaces of a crop; applying the soil texture modifier to soil in which the crop grows; or only spraying the active solution to the leaf surfaces of the crop/applying the soil texture modifier to the soil in which the crop grows. The invention has benefits that the agent not only acts on the leaf surfaces of the crop but also improves the soil in which the crop grows. The invention has advantages as follows: (1) promoting the crop to take root and strengthening the seedling of the crop; (2) eliminating phytotoxicity of the crop; (3) preventing diseases; (4) acting quickly; (5) maturing early and increasing the yield; (6) being green and easy to use.

The invention discloses application of a protein and a related biological material thereof in increasing plant yield. The protein is the following A1) or A2) or A3): A1) protein of which the amino acid sequence is Sequence 2; A2) plant-yield-related protein obtained by substitution and/or deletion and/or addition of one or more amino acid residues on the amino acid sequence disclosed as Sequence 2 in the sequence table; or A3) fusion protein obtained by connecting a tag to the N terminal or/and C terminal of A1) or A2). The increase of the plant yield comprises improvement of plant yield related traits, including at least one of spike length, number of spike grains, weight of thousand-grain, grain length, grain width, primary rachis branch number and secondary rachis branch number. The experiment proves that the protein and coding gene thereof can be utilized to enhance the spike length, number of spike grains, weight of thousand-grain, grain length, grain width, primary rachis branch number and secondary rachis branch number of the plants, thereby increasing the plant yield.

The invention relates to a triazolone-containing pesticide composition for preventing and treating wheat gibberellic diseases. In each Mu, 1-100 parts of validamycin by weight and 1-80 parts of triazolone by weight are used. The pesticide composition provided by the invention has an obvious synergistic effect of preventing and treating the wheat gibberellic diseases, the effect of preventing and controlling the gibberellic diseases can be remarkably improved, and the capability of manually preventing and controlling the wheat crop gibberellic diseases is improved; the pollution level of grain DON toxins is remarkably reduced; the drug use amount is reduced, the cost is reduced, and the environmental pollution and pesticide residues are reduced; the drug resistance to the triazolone by wheat pathogenic fungi is delayed and the wheat gibberellic diseases are prevented and controlled; the lasting period of the validamycin is prolonged, the drug use frequency is reduced and the triazolone-containing pesticide composition can be used for treating wheat powdery mildew, rust diseases, leaf blight and banded sclerotial blight, and the manual cost of using pesticides is reduced; and the dosage of chemical pesticides is greatly reduced and the triazolone-containing pesticide composition is environmentally friendly.

The invention discloses a molecular marker TaSnRK2.3B related with the thousand seed weight of wheat and the content of soluble sugar in wheat straw and an application of the molecular marker TaSnRK2.3B and provides a method for identification or assistant identification of to-be-detected wheat characters. The method comprises steps as follows: the genotype of the E locus and the F locus of a to-be-detected wheat population genome is detected; the to-be-detected wheat character is determined according to the genotype of the E locus and the F locus as follows: the thousand seed weight of the wheat population with the genotype of the E locus being C/C and the genotype of the F locus being G/G is higher than that of the wheat population with the genotype of the E locus being T/T and the genotype of the F locus being C/C. Experiments prove that wheat with higher thousand seed weight and smaller plant height can be found by detecting the SNP (single nucleotide polymorphism) of the two loci. The molecular marker provides a new method for molecular marker assisted selection type breeding of wheat and has great significance in culture or studies of high-yield and low-stalk wheat varieties.