32results about How to "Early tillering" patented technology

The invention provides a full set of dry-finishing direct-sowing rice cultivating technologies which can save labor, increase output, resist fall-down and improve soil and the land farming mud layer. As the dry-cultivation and the dry-finishing are adopted, the soil has good crumb structure, good hydroscopic property and good water permeability, which facilitates to ensure that the seedlings can tiller earlier and more at lower positions and the basic seedlings are sufficient; a high-yield seedling rack can be formed easily without transplanting and seedling mitigating and the mature period can be advanced for 7-10 days. By adopting the technology, the requirement of the rice for water in the middle and last period is looser, the maturing rate is high, the kernel is heavy and big and the land farming mud layer can be kept in an optimum state for ever.

The invention discloses a method for simulating mechanized rice transplanting plot experiment by pot rice seedling hole planting, and belongs to the technical field of a rice breeding technology. The problem that mechanical transplanting is difficult to realize because of a relatively small area of a mechanized rice transplanting plot is overcome. According to the method, a rice seedling throwing and raising technology and a rice variety regional test technology are combined so as to achieve requirements of a mechanized rice transplanting technology; mechanized transplanting rice varieties which are suitable for locally planting are screened out by quantitative pot seedling for seedling throwing, and stimulating rice mechanical transplanting by fixed-point hole planting; the mechanized transplanting rice varieties replace conventional hand-transplanted seed-bed seedlings or mechanized-transplanting tray-nursing seedlings; manual rice seedling separating and transplanting is changed into pot seedling fixed-point pot planting; the transplanted rice seedlings are quick in reviving and good in premature, and have the characteristics of having nutrient soil in roots of mechanized-transplanting rice seedlings, being not damaged in roots during seedling separating, being straight in transplanted seedlings, consistent in seedling quantity per planting hole, quick in reviving, early in tillering and the like. According to the method, the accuracy and the scientificity of the mechanized rice transplanting plot experiment are improved.

The invention discloses a rice machine-transplanted bowl seedling cultivation method. The cultivation method includes the following steps: seed selection; seed soaking and germination accelerating; seedling bed preparation; sowing; seedling bed management; seedling lifting and conveying; and field transplanting. The rice machine-transplanted bowl seedling cultivation method integrates advantages of conventional blanket type machine-transplanting and seedling throwing technology; precise sowing can be achieved through a factory-like nutriment soil disinfection processor and a full automatic rice seedling cultivation and sowing flow line; darkening treatment, seedling pool early cultivation, and heat preservation management is performed, elder bowl strong seedlings with soil can be accurately cultivated in bowl plates, and the age of seedlings is high in flexibility. The seedling cultivation method can save seeding beds, good seeds, fertilizers, water, and labors, can avoid a drought resisting and disinfection process, can reduce the cost of seedling cultivation, and can save labors. The obtained seedlings is high in quality ( the emergency rate ), are strong and healthy, is fast in reviving and surviving, is high in carbon nitrogen content, and is high in rooting ability, and then mu yield of later rice can be increased.

The invention provides a diaphragm for breeding seedlings for a rice transplanter. The diaphragm comprises a porous fiber membrane with wet tensile of greater than 5 N/m; and super absorbent polymer, coating controlled-release fertilizer, plant growth regulator and microcapsule long-term pesticides are adhered on the porous fiber membrane. When the seedlings transplanted by the rice transplanter are bred, the diaphragm is arranged below nutritional soils in a seedling breeding tray, in this way, the wind forces of seedling roots is effectively enhanced, the optimal transplanting age is advanced, namely the seedlings can be transplanted at a sucking seedling stage, at the same time, the microenvironment of the transplanted seedlings is improved, thus the diaphragm is beneficial for high yield cultivation of seedlings transplanted by the rice transplanter. Furthermore, an acid conditioning agent, a seedling strengthening agent, a controlled-release herbicide and other materials for agriculture can also be added in the diaphragm according to requirements of different areas. According to tests, by adopting the diaphragm provided by the invention to breed seedlings, the seedlings are planted at a 2-leaf stage by the rice transplanter, the low position tillering is enhanced, the leaves grow early and the rows are enclosed early, thus the heading stage is advanced; and the diaphragm is an effective measure for the high yield cultivation of the seedlings transplanted by the rice transplanter.

The invention relates to the technical field of rice seedling raising, and concretely relates to a method for producing a rice seedling medium from jasmine flower residues and tea dusts. The rice seedling medium is produced from, by weight, 35-45 parts of jasmine flower residues, 35-40 parts of rice field soil, 25-35 parts of jasmine branches, 20-25 parts of tea dusts, 10-15 parts of tea tree branches, 10-15 parts of minced corncobs, 10-15 parts of peanut vines, 8-10 parts of kudzu vines, 8-10 parts of cassava residues, 3-5 parts of dark tea bacterium culture, 0.5-1 part of zymocyte and 0.2-0.5 part of trace elements; and the trace elements comprise, by weight, 3-5 parts of ferrous sulfate, 2-3 parts of zinc sulfate, 2-3 parts of magnesium sulfate and 0.5-1 part of boric acid. The medium contains balanced nutrition, facilitates the uniform growth of seedlings, and makes transplanted seedlings have the advantages of strong rooting ability, fast green turning and early tillering.

The invention provides methods for producing a plant with altered tillering time, the methods comprising transformation of a plant with a genetic construct including a polynucleotide encoding of a polypeptide with the amino acid sequence of SEQ ID NO: 1 or a variant or fragment thereof. The method also provides isolated polypeptides, polynucleotides, constructs and vectors useful for producing a plant with altered tillering time. The method also provides plant cell and plants transformed to contain and express the polypeptides, polynucleotides and constructs. The invention also provides plants produced by methods of the invention.

The present invention relates to mutant gibberellin 2-oxidase (GA2ox) genes and uses thereof. In particular, the effective mutations disclosed herein can reduce GA2ox enzymatic activity to different extents, leading to various degrees of GA deficient yet beneficial agronomic traits in transgenic plants.

The present invention is one kind of seed coating agent and its coating process. The hybrid rice seed coating agent consists of the following active components: carbendazim 7-8 weight portions, thiram 7-8 weight portions,paclobutrazol 0.15-1.3 weight portions and prochloraz 0.3-2.66 weight portions. The coating process with the hybrid rice seed coating agent includes the following steps: stoving water content of seed to below 11 %; coating seed in a seed coating machine in the ratio between the seed coating agent and seed of 1 to 40-70; and stoving the coated seed to water content below 13.0 %. Treating rice seed with the seed coating agent can raise the germination rate and rice seedling forming rate obviously, raise rice seedling quality, and result in other positive effects.

The invention belongs to the field of rice cultivation, relates to an orderly accurate cultivation method of two-connected-hole rice seedlings. The method has the advantages of reducing the number of throwing and bow raising holes per mu, lowering labor intensity, shortening operation time, performing throwing and bowl raising conveniently and orderly, being favorable for yield increase, high yield and super high yield of rice. According to the method, two-connected-hole clustered rice seedlings are cultivated firstly, then point throwing or bowl raising is carried out; the roots of two-connected-hole rice seedlings are integrated into a whole, and therefore the throwing and bow raising speed can be increased, the working time is saved, the cost is reduced, the number of holes in paddy field is small, the rice seedlings are distributed orderly to achieve good ventilation and light transmission effects, which is beneficial to the high yield and super high yield of rice.

The invention discloses a seed soaking agent capable of cultivating multi-tiller robust seedlings of rice and a use method thereof. The seed soaking agent comprises the components in percentage by weight: 30-100 percent of uniconazole, 0.025-0.10 percent of brassinolide and 0.1-0.5 percent of S-abscisic acid, and further comprises certain percentage of ClO2. During use, an aqueous solution is adopted for the seed soaking agent, in which the uniconazole is 30-100mg/L, the brassinolide is 0.025-0.10mg/L, the ClO2 is 100-200mg/L and the S-abscisic acid is 0.1-0.5mg/L; the weight ratio of rice seeds to the seed soaking agent aqueous solution is 1: (1-2). The seed soaking agent disclosed by the invention can enable the rice seeds to sprout robustly and healthily; seedlings grow after sprouts are adjusted and controlled; tillering in a seeding stage is promoted; during seedling generation, the seedlings are stocky and have multiple tillers, and the roots are developed; after being transplanted, the seedlings are high in re-greening speed and are rooted and tillered early; the seed soaking agent is suitable for robusting the seedlings of rice cultivated in a paddy field in China.

The invention belongs to the field of rice cultivation, and relates to an accurate triple-hole rice seedling cultivation technology. The accurate triple-hole rice seedling cultivation method comprises the following steps of: raising triple-hole group rice seedlings, and performing point slinging or swing planting. Triple-hole plastic plate dry raising control is adopted for cultivating strong seedlings, so that one third to two thirds of slinging planting holes are reduced, the seedling slinging or swing planting speed is improved, the labor force is remarkably saved, the labor cost is reduced, the rice seedlings are distributed uniformly, holes in a field are reduced, the holes have good ventilation and light transmission, the individual seedlings are robust, the group structure is optimized, high yield or ultrahigh yield of rice can be stably realized, the yield is increased by over 10 percent, and the effect is increased by over 15 percent.

The invention relates to a machine-transplanted rice tray-free and soilless seedling raising method with rock wool as a matrix. The method comprises the steps of seedling bed preparation, seedling bed fertilization, seedling raising matrix preparation, seed treatment, precise sowing, film mulching and watering, seedling bed management and the like. About 15 kg of compound fertilizer is broadcast per 500 m<2> of bottom soil fertilizer, a water-soluble medium trace element fertilizer can be applied at he same time, the fertilizer is mixed with water to be sprayed or irrigate seedlings, performing continuous spraying for 8 days from a 2-3 leaf stage, and 160 kg of a nutrient solution is sprayed per 500 m <2> of a seedling bed every day. The method has the characteristics of simplicity and convenience in seedling raising operation, accuracy and uniformity in seeding, high seed emergence rate and seedling rate, low seedling raising cost, immunity of seedlings to seedling damping off and rice blast, good seedling quality, capability of mechanically transplanting large seedlings and the like.

The invention discloses a cultivation method for Koshihikari rice. The method comprises the steps of soil preparation, sowing, seedling cultivation, transplantation, fertilization and water management. The sowing and rice field management measures for timely late sowing, sparse sowing, previous promotion and subsequent control are adopted; according to a straight-line fertilization method, under the condition that the total N application amount is invariable, the N application ratio of a base fertilizer to a tillering fertilizer to an earing fertilizer to a granular fertilizer is 1:1:1:1; according to an improved K application method, K serves as the base fertilizer or an additional fertilizer. According to the cultivation method, the Koshihikari rice growth and development law is coupled with a cropping system, ecological conditions, soil conditions and production conditions of Huang-huai rice areas to form a specific cultivation method, the problems of lodging and premature senility are effectively solved; therefore, a high yield is gained.

The invention provides a lodging-resistant foliar fertilizer for gramineous crops and a preparation method of foliar fertilizer. The specialized foliar fertilizer contains macroelements of nitrogen, phosphorus and potassium and the microelement of boron, the mass ratio of the macroelements to the microelement is 1:0.02, and the mass ratio of nitrogen to phosphorus to potassium is 1:1.5:2.5. The lodging-resistant foliar fertilizer is obtained through the steps of raw material crushing, sieving and mixing. The lodging-resistant foliar fertilizer is obtained on the basis of creative analysis and comparison and field trials, has strong pertinence and is suitable for the gramineous crops in the tillering stage, elongation stage and booting stage. The foliar fertilizer can promote seedling strengthening and early germinating, early tillering, more tillering and root system developing of the gramineous crops, stem elongation is early and regular, head sprouting is early, maturation is early, seeds are full, and the foliar fertilizer can obviously promote lodging resistance and disease and pest resistance of the crops and has an obvious yield-increasing effect.