120results about How to "Increase growth potential" patented technology

The invention relates to a selenium-rich cordyceps culturing method belonging to the technical field of cordyceps culturing methods. The selenium-rich cordyceps culturing method comprises the following process steps of: (1) activating strains in a PDA (Potato Dextrose Agar) solid culture medium; and (2) culturing liquid strains. The selenium-rich cordyceps culturing method is characterized by also comprising the following step of: (3) carrying out sporocarp selenium-rich culture, wherein a sporocarp selenium-rich culture medium is formed by rice, selenate and a glutelin hydrolyzing solution, and the selenate is one of sodium selenate, potassium selenate and ammonium selenate; then inoculating the liquid strains cultured by a fermentation liquid medium into the sporocarp selenium-rich culture medium with the formula, and culturing for 40-50 days according to fermentation management requirements. The cultured cordyceps can greatly increase the content of selenium contained in cordyceps sporocarps to 3.83-81.95Mug / g; the cordyceps sporocarps have high growth vigour, higher output and bright colors, therefore the nutritive and medical value of the cordyceps is enhanced; and besides, the invention has implementing conditions which are easy to achieve, thereby being popularized in a whole industry.

The invention belongs to the cultivation technical field, and specifically relates to a multi-functional auto water absorbing rod and a manufacturing method thereof. The multi-functional auto water absorbing rod aims to solve the problem that water management is hard to be controlled timely and quantitatively during the household planting process. The technical solution is to use corn stalk cores, saw dusts, red brick fragments, amino acid powders, a composite microorganism agent, a fertilizer release agent and attapulgite clay powders as raw material, blend and process to manufacture the water absorbing rod. According to the invention, in the household planting process, the water absorbing rod has the characteristics that the water is managed timely and quantitatively; the functions of water absorbing and promoting the growth of a plant are integrated in the water absorbing rod; the requirement of supplying water needed in the normal growth of the household planted plant is satisfied; and the germination rate of seeds, the survival rate of transplantation, the production and the quality are improved.

The invention provides an adjustable rotary oblique-cutting automatic grafting device and a method. The device comprises a worktable, a rack, and a scion clamping and conveying mechanism, a scion cutting mechanism, a stock perforating mechanism and a stock clamping and conveying mechanism which are sequentially arranged from the left to the right. The scion clamping and conveying mechanism comprises a scion clamping drive mechanism, a pneumatic scion claw and a scion chuck which are sequentially connected from the top to the bottom, wherein the scion clamping drive mechanism is connected onto the worktable through the rack. The scion cutting mechanism comprises a scion cutting drive mechanism, a cutter mechanism and a scion cutting positioning block, wherein the scion cutting drive mechanism is connected with the cutter mechanism, the scion cutting positioning block is arranged at the front side of the cutter mechanism, and a cutter guide groove and a positioning groove are arranged on the side wall of the scion cutting positioning block. The scion cutting drive mechanism, the scion cutting positioning block and the stock clamping and conveying mechanism are respectively fixed on the worktable through the rack. The adjustable rotary oblique-cutting automatic grafting device has the advantages of convenience in operation, simple process and the like.

The invention discloses application of a CYP78A gene in the increasing of the plant height of corns and the growth vigor of plants. An amino acid sequence coded by the CYP78A gene is one of the following sequences or an amino acid sequence with 75% of homology with the following sequences: SEQ ID NO:1, SEQ ID NO:2 or SEQ ID NO:3. According to the novel application of the CYP78A gene, the CYP78A gene is over-expressed in the corns, so that the plant height and the growth vigor of the corns are increased, the biomass of the corns is further increased, and finally, the yield of the corns is increased; and meanwhile, as an improvement, the CYP78A gene and a TEL gene are combined to be introduced into the corn plants, so that the plant height of the corns is increased, leaves of the corns are widened, the growth vigor of the corns is increased, the biomass of the corns is increased, and furthermore, the phenotypic changes including the largening and the increasing of corn cobs and seeds are realized.

The invention provides a castor ecological planting method in the seashore saline soil, which achieves the purpose of improving the physicochemical property of soil, increasing the soil nutrient level, improving the castor growth potential and saline-alkali tolerance and reducing the plant diseases and insect pets using the ecological cultivation technologies such as direct seeding ryegrass, magnetism treatment of seed, seed coating, seeding in nutritive cup by phosphate liberation bacteria, wide bean interplanting, improving medium or the like. An effective castor ecological cultivation model in the seashore saline soil is explored, which not only ensures the castor yield and quality, but also improves the saline soil environment, and is useful for pushing the development of the castor industrialization, regulating saline soil agricultural structure, increasing the income of farmers and ecologically restoring the ecosystem of the saline soil. The castor ecological planting method of the invention is of great significance for releasing the national energy shortage, improving ecological environment and facilitating agriculture benefit.

The invention provides a triallel mating breeding method for water-saving and drought-resistance rice. The method of the invention firstly takes a rice sterile line A1 as a female parent and a maintenance line B2 for the water-saving drought-resistance rice as a male parent to prepare a mixed sterile line A1 / B2 for the water-saving drought-resistance rice, or takes a sterile line A2 of the water-saving drought-resistance rice as a female parent and a rice maintenance line B1 as a male parent to prepare a mixed sterile line A2 / B1 for the water-saving drought-resistance rice; and then takes the mixed sterile line A1 / B2 or A2 / B1 for the water-saving drought-resistance rice or the mixed sterile line A2 / B1 for the water-saving drought-resistance rice as the female parent and takes a restorer line R of the water-saving drought-resistance rice as the male parent to prepare a triallel mating A1 / B2 / / R or A2 / B1 / / R of the water-saving drought-resistance rice. The triallel mating hybrid rice bred by the invention has a remarkably fortified drought-resistance capacity.

The invention discloses a protein which is named as OsMSr2 and is from rice. The protein is (1) a protein formed from an amino acid sequence shown by the sequence 2 in a sequence table or (2) a plant stress resistance related protein derived from the protein (1) by replacing and / or deleting and / or adding one or more than one amino acid from the amino acid sequence shown by the sequence 2 in the sequence table. Introducing the coding gene OsMsr2 of the protein into a plant can increase the germination rate of seeds under adverse conditions, increase root length and root weight, increase the growth potential of the plant, ensure seeds are enlarged, increase the net photosynthetic rate of leaves and increase the tolerance of the plant under adverse conditions.

The invention discloses an orchard deep soil oxygen therapy soil loosening fertilizer applicator and an application method thereof; the orchard deep soil oxygen therapy soil loosening fertilizer applicator comprises a gasoline engine connected with a hollow drill rod; a high pressure air tank is connected with the hollow drill rod; an air valve is arranged between the high pressure air tank and the hollow drill rod; the most bottom of the hollow drill rod is provided with a drill bit; the hollow drill rod above the drill bit is provided with air outlets; the high pressure air is conveyed to the deep soil so as to realize oxygen therapy and soil loosening purposes; the oxygen therapy can promote root breathing effect so as to improve root growth vigor, thus reducing root reductibility toxicity and root rot generation; the soil can be loosened so as to reduce root growth resistance, thus enhancing soil air and atmosphere exchange capability, and promoting root growth; in addition, holes arranged in the deep soil allow a nitrogen phosphor potassium water-soluble ternary composite fertilizer to be filled in, thus applying fertilizer to the soil deep part.

The invention discloses a growing culture medium for ecological remediation and a preparation method thereof. The growing culture medium comprises the following raw materials in parts by weight: 5-12 parts of lutein ester, 11-19 parts of lignocellulose, 7-15 parts of algin, 28-36 parts of straw powder, 15-25 parts of tartaric acid, 20-30 parts of variegated-leaf begonia and 1-5 parts of propyl acetate. The preparation method comprises the following steps: mixing the variegated-leaf begonia, the tartaric acid and deionized water, heating, performing ultrasonic treatment, mixing with the lignocellulose and the propyl acetate, heating, and performing ultrasonic treatment to obtain a mixture B; adding deionized water and the tartaric acid into the straw powder, heating, and performing ultrasonic treatment to obtain a mixture C; mixing the mixture B and the mixture C, adding the remaining materials, heating, and stirring till a dry state to obtain the growing culture medium. The growing culture medium can effectively improve soil, play water-retaining and fertilizer-retaining roles, improves the growth environment for plants, can provide nutrients immediately, can activate heavy metals which cannot be dissociated from the soil so as to promote heavy metal absorption of the plants, and can be applied to the fields of ecological remediation for a mining area, heavy metal-contaminated land remediation, slope remediation and the like.

The invention relates to a breeding method of crops, and particularly to a breeding method of broccolini, belonging to the technical field of plant breeding. The breeding method has the advantages that 1. the male sterility line belongs to cytoplasmic male sterility and maternal inheritance, and is stable in sterility, the sterile plant rate and the sterility are 100 percent, nectary is developed, more nectars grow, stigma is normal, flowering and fruiting characters are good, and a seedling does not yellow under the condition of low temperature and can not deteriorate after multi-generation backcross, transform is easy, growth is vigorous, and combining ability is strong; 2. a transformation early generation sterile line is stronger in growth vigor in comparison with a maintainer line and has the advantage of interspecies cross; 3. a later producing shoot of the transformation early generation sterile line is stronger than that of the maintainer line, and thus the transformation early generation sterile line material is early planted by 5 days in comparison with a backcross male parent; 4. F1 is prepared by using the sterile line, the seed yield is high, the seed producing cost is low and the labor is saved; and 5. a new variety prepared by using the sterile line is strong in disease resistance, and is remarkable in production increasing.

The invention relates to an amino acid liquid fertilizer. The amino acid liquid fertilizer is prepared in the following steps: adding 112-130kg of amino acid, 334-44kg of zinc sulfate, 40-50kg of borax, 58-68kg of ferrous sulfate, 100-110kg of magnesium sulfate, 10kg of a chelating agent and 400-500kg of water, chelating, and adding water to obtain 1000L. The pH value of the amino acid liquid fertilizer is 5.6-6.2, the content of amino acid is 100g / L, the content of trace element zinc is 12g / L, the content of boron is 8g / L, the content of iron is 20g / L, and the content of magnesium is 20g / L; the amino acid liquid fertilizer is uniform and stable and has no precipitate. When in use, the amino acid liquid fertilizer is diluted by utilizing water and is sprayed onto the surface of crop leaves. By utilizing the amino acid liquid fertilizer, the required fertilizer of the crops during the entire growth period is uniform, and the demand of the crops on the amino acid and trace elements in the entire growth period can be satisfied. The crops adopting the amino acid liquid fertilizer can be matured in advance and consistent in mature period, full in grains, less in phenomenon such as flowering without fruiting, flower dropping and fruit dropping, good in fruit taste, high in quality, long in fruit harvesting period and excellent in quality, so that the amino acid liquid fertilizer is worth of being popularized.

The invention belongs to the technical field of preventing and treating of agricultural production, and particularly relates to a method for preventing and treating the gummosis of sweet cherries. The preventing and treating method is realized through the following scheme: (1) scientifically constructing an orchard, and planting healthy nursery stocks; (2) chemically preventing and treating the gummosis in three phases: treating the gummosis with different chemical agents at different stages; and (3) reasonably trimming trees, and protecting the trees. According to the preventing and treating method provided by the invention, the vacancy about the method for preventing and treating the gummosis of the sweet cherries in the prior art is filled; according to the growth characteristics of the sweet cherries, the gummosis is prevented and treated by different methods at different time stages, the preventing and treating effect is good, the growth potential of sweet cherry trees is enhanced, and the yield of the sweet cherries is increased; besides, a specific whitewash agent is utilized, so that the whitewash effect is good, the protecting time is long, and soil is not influenced.

The invention discloses a standing frame cultivation method of anthurium cut flowers. The standing frame cultivation method of the anthurium cut flowers includes construction of a flower pot frame, matrix selection, cultivation management including temperature management, humidity management, moisture management and manure management, pest control and harvesting of the cut flowers. The flower pot frame is composed of a support inserted in the ground and a plurality of round steel bars arranged on the support. Anthurium is planted in a flower pot, and then the flower pot is placed on the flower pot frame which is arranged 0.5-0.7m higher than the ground. According to the standing frame cultivation method of the anthurium cut flowers, plant diseases and insect pests are effectively prevented from spreading through soil media, ventilation of plant roots is increased, usage amount of matrixes is reduced, quantitative control of nutrition and moisture is achieved for a single pot, and simultaneously pruning, replacement and cultivation are facilitated. Furthermore, stability and uniformity of quality of the anthurium cut flowers are greatly improved, and large scale production is achieved.

The invention discloses a hickory grafting method, which uses American thin-shelled hickory as a rootstock, adopts a cutting grafting method, the scion length is 5cm-6cm, and there is one strong bud, and the ear stem of 1-1.5cm is reserved at the upper end of the bud. Ear cutting and anvil cutting should be accurate and fast, the cutting surface should be smooth, and the bud body should not be damaged when cutting the ear, and should be tightly bound with a film in time, especially the upper end of the scion should be tightly wrapped so that only the bud body is exposed; Lightly cut a long straight face to increase the contact surface between the scion and the rootstock. The rootstock selected by the present invention has strong growth potential, well-developed root system, strong adaptability, small pith core, and strong affinity with hickory nuts. The rate, seedling rate and growth potential make the pecan grafting survival rate reach more than 95%, and the seedling rate reach more than 90%.

The invention discloses a plantation method of a high-yield cucumber. The method comprises the following steps: after final signaling of cucumber seedlings, applying a cucumber special-purpose fertilizer, drawing strings to put up a shelter, performing intertillage weeding, when cucumber tendrils grow to somewhere close to the top of the shelter, carrying out tendril falling, and stopping watering three to five days before the tendrils fall, wherein raw materials of the cucumber special-purpose fertilizer comprise composite coating urea, mono-Ammonium phosphate, diammonium phosphate, potassium sulfate, potassium dihydrogen phosphate, calcium hydrogen phosphate, sodium silicate, EDTA Chelating zinc, ammonium ferrous sulfate, EDTA Chelating zinc, rotted chicken manure, molasses powder, peat, weathered coal, kaolin, Bacillus megaterium, Pseudomonas fluorescens and Paenibacillus polymyxa; and cleaning stems and the tendrils, picking cirrus, for cucumbers grown from side tendrils, when the cucumber tendrils grow to 5 to 15cm, pinching main tendrils, reserving two to five lateral branches, and plucking the cucumbers when the cucumbers are ripe. According to the method provided by the invention, the slow release effect is good, the soil structure can be improved, nutrients are abundant, the cucumber output is high, the plantation method is simple, and the cost is low.

The invention relates to the technical field of tea planting, in particular to a method of raising tea seedlings by cuttage, comprising: preparing trays, preparing nutrient pots, selecting cuttings, inserting the cuttings, transplanting the cuttings, and transplanting seedlings. The method of the invention has the advantages that the cuttings are enabled to root quickly, more nutrition are supplied to the seedlings for growth as nutrient soil proportionally made with peat and organic fertilizer is used as a substrate, growth of the seedlings is enhanced, and outplanting rate of the seedlings is increased; the trays and the nutrient pots are good for transplanting and for transplanting with soil, and survival rate and growth of the seedlings are significantly increased; growth of weeds canbe inhibited herein, less management staff is required, and management cost is lowered; the method features high rooting speed, high survival rate, high quantity of nutrient soil, good fertilizer efficacy and the like; the seedling quality and outplanting rate are higher than those of conventional seedling raising, the growth of the seedlings after transplanting can be improved, a garden can be formed at least two years earlier, and the newly built tea garden can economically profit two years earlier.

The invention discloses fruit tree root system oxygenating and ventilating fertilizer which is prepared from the following raw materials in parts by weight: 3 to 4 parts of urea peroxide, 44 to 46 parts of cotton seed cake, 13 to 15 parts of rice chaff ash, 23 to 27 parts of bagasse, 1 to 2 parts of ammonium citrate, 7 to 8 parts of ammonium nitrate, 0.8 to 1.0 part of ferrous sulfate, 2 to 3 parts of methyl cellulose, 14 to 16 parts of chitosan, 0.3 to 0.5 part of potassium permanganate, 0.8 to 1.2 parts of manganese sulfate, 2 to 3 parts of acrylamide, 0.2 to 0.3 part of N,N'-methylene bisacrylamide, 0.6 to 0.7 part of ammonium persulfate, 2.0 to 2.5 parts of zinc acetate, 0.3 to 0.4 part of yttrium nitrate, a defined amount of absolute ethyl alcohol solution and a defined amount of water. Aiming at the characteristics that a fruit tree root system is larger and deeper in rooting, the fertilizer disclosed by the invention can slowly release oxygen after being degraded at the root system by additionally applying components of the urea peroxide, the ammonium citrate and the like; thus, the oxygen content around the root system at the soil deep position is improved, and soil breathability is improved; by means of adding organic components of the bagasse, the rice chaff ash and the like, metabolism and nutrient absorption of the root system are improved, and growth vigor of the fruit trees is improved.

The invention provides a triallel mating seed producing and multiplying method for water-saving drought-resistance rice which is at least provided with four seed producing and multiplying gardens that are respectively used for the seed multiplying of a rice sterile line A1 and a maintenance line B1, of an upland rice sterile line A2 and a maintenance line B2, of a rice sterile line A1 / B2 or A2 / B1 of a hybrid water-saving drought-resistance rice and of a triallel mating A1 / B2 / / R or A2 / R1 / / R of the water-saving drought-resistance rice. The invention can realize the stable seed preparation for the hybrid rice triallel mating and the triallel mating has a remarkably fortified drought-resistance capacity.

The invention discloses an anti-freezing technology for pomegranate trees. The anti-freezing technology for the pomegranate trees comprises the following steps: (1) selecting a land and building a garden; (2) building a windbreak; (3) performing flower thinning and fruit thinning; (4) harvesting in time; (5) trimming in winter and summer; (6) whitewashing trunks; (7) performing trunk ridging; (8) covering the garden with grass; and (9) performing pesticide protection. A small weather condition for reducing freeze injuries is created in the aspect of physical conditions and by building the garden and the windbreak, so that general freeze injuries are reduced; the growth potential of the trees is improved and the cold-resistant capability of the trees is enhanced by managing flowers and fruits and trimming in winter and summer; and extreme weather is responded comprehensively by the methods of whitewashing the trunks, performing trunk ridging, covering the garden with grass and performing pesticide protection, so that freeze injuries of the pomegranate trees are avoided and production loss is reduced.

The invention discloses a method for improving the salt tolerance of codonopsis pilosula. The method comprises the steps of soaking codonopsis pilosula with bacillus subtilis GB03 solution beneficial to soil before sowing and sowing the codonopsis pilosula to separate the seeds, and sowing the seeds. By adopting the scheme, the codonopsis pilosula seeds are treated before being sowed, so that the salt tolerance of codonopsis pilosula can be effectively improved, the emergence rate and the growth vigor of the codonopsis pilosula seeds in salinization soil can be remarkably improved, the growth of the codonopsis pilosula root system is improved and the yield is increased; meanwhile, the bacillus subtilis has the characteristics of no poison and no harm to people and livestock, incapability of polluting the environment, no pathogenicity and strong stress resistance; the method for treating the codonopsis pilosula seeds is simple, can be widely applied to codonopsis pilosula cultivation in mild and medium salinization soil, and has important economic, social and ecological values.

The invention belongs to the technical field of pesticide, and particularly relates to a compound sterilizing combination containing chunleimeisu and mushroom protein polysaccharide and the application thereof in field of prevention and treatment of crop bacterial and fungus diseases and growth adjusting function. According to the combination, the weight ratio of mushroom protein polysaccharide to chunleimeisu is 1:1 to 1:100, and the combination has the effect of efficacy enhancement through compounding, has a wide application range, low cost, good effects and more obvious treatment effects, and belongs to ideal agent for preventing and treating various bacterial and fungus diseases of crops, such as vegetables, melons, fruits, rice and the like. The combination has strong permeability and moves in plant bodies, is quick to become effective after being sprayed, rainwash resistant and long in lasting period, and can ensure that the color of leaves of melons to which the combination is applied is thick and green and prolong the harvest time. The combination is applied to rice, potatoes, cucumbers, celeries, sorghums, peppers, kidney beans, citruses and fruit trees.

The invention discloses a cuttage propagation method of rhododendron agastum for alpine greening, which comprises the following steps: preparation of a cuttage medium; preparation of a cottage bed; collection and pruning of cuttings; cuttage; and cuttage post-management. The cuttage propagation method solves the problem of large-scale reproduction of the rhododendron agastum by a cuttage propagation technology and adopting measures suiting local conditions according to natural conditions and climate conditions, and contributes to the application of landscape greening.

The invention relates to a rapid breeding method of anoectochilus zhejiangensis Z.Wei&Y.B.Chang seedlings, wherein the method can effectively improve the breeding efficiency of anoectochilus zhejiangensis Z.Wei&Y.B.Chang, and prevents test-tube plantlets from generating excessive growth and vitrification phenomena, so as to obtain a large number of anoectochilus zhejiangensis Z.Wei&Y.B.Chang seedlings, and lay a foundation for scale production and application. The method includes an explant preparation stage, a primary induction culture stage, a secondary culture stage, a rooting culture stage and a transplanting stage; a primary induction culture medium and a secondary proliferation culture medium are each composed of the following components: MS, 0.1-0.5 mg / L of TDZ, 0.5-0.8 mg / L of 6-BA, 0.18-0.25 mg / L of NAA, 50-100 g / L of mashed potato, and 0.2-0.6 mg / L of activated carbon; a rooting culture medium is composed of the following components: MS, 0.6-1.5 mg / L of NAA, 50-100 g / L of mashed banana, and 0.4-1.0 mg / L of activated carbon.

The invention discloses an anti-salt seedling-keeping agent for accelerating safe and effective growth of saline-alkali soil cotton at a seedling stage, belonging to the technical field of agricultural production. The anti-salt seedling-keeping agent is mainly composed of the following components: compound sodium nitrophenolate, diethyl aminoethyl hexanoate, potassium nitrate, boric acid, zinc sulfate, copper sulfate, manganese sulfate and clean water. The anti-salt seedling-keeping agent is combined with the effects of a plant growth regulating substance and a mineral element to be adjusted and controlled in the two aspects of plant hormone physiology and mineral nutrition so as to effectively enhance the root activity and the over-ground part growth vigor of seedlings of the saline-alkali soil cotton and obviously improve the salt and alkali endurance capacity; the anti-salt seedling-keeping agent has the effects of accelerating the saline-alkali soil cotton to grow at the seedling stage and obtaining ordered and strong seedlings. The main components of the anti-salt seedling-keeping agent are easily dissolved in water; the preparation process is simple and convenient and is easy to master and operate by farmers, so that the anti-salt seedling-keeping agent is particularly suitable for spraying leaf surfaces of the saline-alkali soil cotton at the seedling stage or irrigating roots.

The invention discloses a method for promoting early flowering of wuta-cai, and relates to the field of vegetable chemical control. The method includes the following steps that 1, the surfaces of wuta-cai seeds are disinfected with 20% NaClO; 2, the wuta-cai seeds with the disinfected surfaces are put into mixed liquor of sterile water and brassinolide, a mixture is obtained, and the concentrationof brassinolide is 30 mg / L; 3, the obtained mixture in the second step stands for five days for vernalization, wherein standing temperature is 4 DEG C; 4, the wuta-cai seeds in the mixture treated inthe second step are taken out and then sown in a nutrition pot, the growth environment is that day / night temperature is (25+ / -1) / (18+ / -1) DEG C, photosynthetically active radiation is 300-500 micromoles.m-2.s-1, and relative humidity is 60-70%; 5, when seedlings each grow to have 4-5 true leaves, mixed liquor of brassinolide with the concentration of 50 mg / L and gibberellin with the concentrationof 900 mg / L starts to be sprayed. Through the method, the breeding period of wuta-cai can be effectively shortened, and selecting and breeding of new varieties of wuta-cai are easily promoted.

The present invention relates to a selective cross breeding method of shellfish and is characterized by that it utilizes RAPD technology to define intraspecific genetic distance between different geographical colonies, and uses the individual randomly obtained from colony with larger genetic distance as parent to make hybridization, and said invented method includes the following steps: 1. seed shellfish: its selected male parent is randomly sampled pubescent individual which is not easily obtained and has larger genetic distance from female parent colony; 2. promoting maturation; using pubescent individual, using 10-20% of female shellfish application quality as application quantity of male shellfish, placing them in water with 16-21 deg.C; 3. hastening parturition; and 4. exomixis.

The invention discloses a method for breeding basic seeds of potato by field transplanting of tissue culture seedlings on low-latitude plateau; the method comprises the steps of building a seedling raising pond, scientifically preparing a seedling culture medium, planting tissue culture seedlings, managing pesticides and fertilizers for raising the tissue culture seedlings, transplanting the tissue culture seedlings to a field, managing the field, preventing and controlling late blight, harvesting basic seeds and the like; According to the method, the seedling culture medium is scientificallyand reasonably prepared, and the growth conditions for seedling raising are scientifically and reasonably controlled, in combination with the growth characteristics of tissue culture seedlings of potato; transplanting planting with the medium is adopted, technical conditions such as planting time, seedling transplanting time, planting modes and the like are strictly controlled, and therefore, thesurvival rate of the seedlings is effectively increased, the growth vigor is improved, the defect and problem is solved that pre-basic seeds with tissue culture seedlings are bred before basic seeds are bred with the pre-basic seeds or that seed potatoes are bred in the field directly through tissue culture seedlings, the breeding efficiency of potato seeds is effectively improved, and the labor intensity, facility construction investment and production cost are reduced; and the method is a practical breeding technology of seed potatoes with simple operation procedure, labor saving and labor saving, and is suitable for popularization and application in high-altitude southwest mountainous areas.

The invention belongs to the field of crop production and discloses a seasonal drought relieving and high yield ensuring compound agent for double cropping rice. The compound agent includes an early-season rice special type and a later-season rice special type. The early-season rice special type includes, by weight, 50% of hydroxyethylcellulose, 20% of amino acid raw powder, 15% of monopotassium phosphate, 10% of potassium fulvate, 2.5% of zinc sulfate, 2% of prohexadione calcium, 0.2% of compound sodium nitrophenolate, and 0.05% of abscisic acid; and the later-season rice special type includes, by weight, 30% of hydroxyethylcellulose, 30% of amino acid raw powder, 20% of potassium fulvate, 10% of monopotassium phosphate, 5% of Kang polyphenol, 4.8% of zinc sulfate, and 0.2% of sodium alpha-naphthylacetate. In the formula, comprehensive drought resistant capability of rice is improved through several ways. The compound agent is quick in effects, has long lasting time and has good effects.

The invention discloses a rapid loquat seedling culture method. The method comprises the following steps: selecting a high-quality wild peach tree with good two-year growth potential; cutting a section, which is 12 to 15 cm in length and contains three integrated buds, from the branch towards south in March to April of the same year to serve as a cuttage strip; after performing sterilization and rooting liquid soaking treatment, adopting the cuttage strip at two stages of container cultivation and seedling soil cultivation to perform seedling culture. The root of the cuttage strip is stimulated by a water flow impact method, so that the quick growth of the root can be promoted, the cultivation time in a culture solution is prolonged, stress resistance is enhanced and the root system of seedlings is thickened; meanwhile, the seedlings with strong growth potential can be integrally transplanted to seedling soil, the water and fertilizer management of the seedling soil is strictly controlled, the gaps of the seedling soil are increased, the water storage and water seepage capabilities of the seedling soil are improved, the utilization ratio of the fertilizer is increased, the final-period management difficulty is reduced, the seedling culture cycle is shortened, high-quality nursery stocks are obtained through uniform management, the survival rate after transplanting reaches 98.6% or above, fruit settling is easy and the economic benefit is significant.