32results about How to "Seedlings grow vigorously" patented technology

The invention relates to the field of crop planting, and particularly to a method for planting potatoes, which comprises the following steps: preparing land, fertilizing, and ditching; putting the potato seedlings into ditches, ridging, covering soil, covering parts on ridges, where the potato seedlings are planted, with colorless and transparent film, and covering two sides of the colorless and transparent film with black film; conducting field management, and harvesting potatoes. The method adopts the colorless and transparent film and the black film, which are in a matched manner, to plant the potatoes, the colorless and transparent film has good light transmittance and increases temperature quickly at the early stage, so the potatoes can root early; the black film has low visible light transmittance and can restrain weeds from growing, and the weeding rate can reach about 90 percent; during the middle and later periods of growth, the root systems enter below the black film, high temperature below the film, caused by strong sunlight, is prevented, and the premature senility of the root systems is avoided; the method can create a good environment for potato tuber growth in the period of tuberization, and has a ground temperature adjusting function that other film does not have; not only is the labor intensity of weeding reduced, but also the yield is increased by a large margin.

The invention discloses a seedling method for improving the emergence rate of malus toringoides seeds. The seedling method comprises the steps of when malus toringoides fruits turn red or dark red, collecting the malus toringoides fruits, drying full seeds obtained from the malus toringoides fruits in shade in a room, packing the seeds into a sack, and storing on a ventilated place; carrying out after-ripening on an embryo after cold stratification; carrying out deep-ploughing in a selected nursery land for one time in the winter of the last year, and making a seedbed which is lightly protruded in middle according to 120cm width, 10cm height and about 25cm width of step ditch; loosening soil in the last ten-day period of March of the next year, applying a composite fertilizer as a base fertilizer, and disinfecting the soil; seeding through an artificial sowing way, covering with humus soil, completely watering for one time, building a plastic tent for preserving the heat and covering in a moisture-preserving manner; and after seeding, keeping the seedbed wet, removing a mulching film in real time when buds begin to hump, and carrying out final-singling by a plant spacing of 8-10cm when 4-6 true leaves appear on each of the seedlings. The seedling method adopts a manner of directly seeding after adopting the cold stratification for one time, is simple and easy in operation, and reduces seed usage and seedling cost; and the seed emergence rate is greater than 60%, so that the seedlings are stronger in growth.

The invention discloses a rapid paeonia rockii reproduction method. The method includes the following steps of firstly, inoculating paeonia rockii germ into a first culture medium, and inducing the isolated paeonia rockii germ to sprout; secondly, transplanting a paeonia rockii seedling cultivated in the first step into a second culture medium, and inducing the paeonia rockii seedling to root; thirdly, inoculating the paeonia rockii seedling cultivated in the second step into a third culture medium to root; fourthly, hardening the completely-rooting isolated seedling cultivated in the third step and then cultivating the seedling in soil for 15 days to 20 days, and moving the seedling out of a nursery garden to be used for field production. Due to an efficient and stable paeonia rockii adult seedling system, the reproduced complete plant of paeonia rockii is obtained through the germ cultivating technology under indoor manual control; the method has the advantages that the seed germination rate and rooting rate are high, the adult seedling outplanting cycle is short, the adult seedling is strong in growth and free of plant diseases and pests, and good market application prospects are achieved.

The invention discloses a method for preventing and controlling weeds of container nursery and belongs to the technical field of forest cultivation. The method comprises the following steps: (1) preparing a weed-preventing material; (2) preparing; (3) soaking; and (4) covering. The rate for preventing and controlling weeds of container nursery reaches up to 95% or above according to the method.

The invention provides a bud initiation culture medium of pear tree somatic embryos. The bud initiation culture medium comprises 1/2 improved SH, 0.5-0.8mgL<-1> of 6-BA, 3-5mgL<-1> of 2,4-D, 0.1-0.2mgL<-1> of NAA, 6.0-7.0gL<-1> of agar, 30gL<-1> of sucrose and 0.1-0.3% of phytagel and has pH value of 5.8-6.0. The bud initiation culture medium has the beneficial effects that pear trees difficult to propagate are rapidly propagated through somatic embryogenesis by improving a basic culture medium and components and adjusting the culture conditions; the plant transplanting survival rate is more than or equal to 96%; seedlings grow robustly, thus the problem of germplasm degeneration of good seedlings can be effectively solved, plenty of high-quality purified and rejuvenated seedlings can be also provided for production and an ideal receptor system can be also provided for breeding new varieties through genetic transformation or mutation breeding of the pear trees.

The invention relates to the technical field of plant sexual propagation, and specifically relates to a seedling breeding method capable of increasing the emergence rate of seeds of piptanthus concolor in the Qinghai-Tibet plateau. The method comprises following steps: evenly mixing saturated seeds with fine sand, filling the seeds and fine sand into a jute bag, continuously kneading the jute bagto remove hard seed coats; soaking the jute bag in hot water with a temperature of 60 DEG C for 12 hours, then soaking the jute bag in a gibberellin solution (150 mg/L) for 12 hours, disinfecting thenursery garden soil, sowing the seeds in first and second ten days of April, covering the seeds by humus soil, cow dung, or grass carbon; after sowing, maintaining the seed beds to be in a wet state,between the sprouting and the final singling, carrying out soil loosening, weeding, and topdressing, spraying equivalent Bordeaux liquid, and enhancing the seedling stage management. The operation issimple, the emergence rate is high, the seedling breeding cost is low, the seedlings grow vigorously, and the problem of insufficient supply of piptanthus concolor seedlings in the Qinghai-Tibet plateau is solved.

The invention relates to a novel sweet-waxy corn and a utilization method thereof. According to the invention, sweet-waxy mutant grains are used as original materials, a sweet-waxy fresh corn inbred line is bred, the novel sweet-waxy corn is obtained, and each grain of the sweet-waxy corn has the sweet and waxy characteristics; the identification standard of the phenotype of the sweet-waxy mutant grains is that the grains are sunken, are fuller than sweet corns, have farinaceous endosperm and are non-waxy, non-transparent, non-crumpled, lusterless in epidermis and crumple-free, and the sweet-waxy fresh corn is sweet and waxy in a real sense, that is, each grain has the sweet and waxy characteristics in a fresh eating period. Due to the fact that the inclusion of sweet-waxy fresh corn seeds is greatly increased compared with that of super-sweet corn, especially compared with that of double-recessive super-sweet corn, the germination rate is high, the germination potential is high, emergence is easy, seedlings are robust, and the problems that the double-recessive super-sweet corn and the super-sweet corn are low in germination rate, low in emergence rate and low in seedling protection rate and seedlings are thin and weak are solved.

A method for pre-treating the tissue-cultured bulb of lily before transplanting features that the bulb of lily is treated at 2-6 deg.C for 30-60 days, resulting in high survival rate and strong seedling.

The invention discloses a transplanting method for drought pinellia ternate tuber tissue culture seedlings. The method is characterized by comprising steps such as nursery bed cultivation and big field transplanting, wherein the nursery bed cultivation step comprises nursery bed preparation, EM bug repellent preparation and tissue culture seedling slurry box transplanting. According to the invention, the drought pinellia ternate tuber tissue culture seedlings can be transplanted into the corresponding slurry box by performing gradation according to the root tuber size, and graded transplanting can effectively reduce comprehensive costs such as manpower of field management and harvesting; and when big-field transplanting is performed, tissue culture seedling transportation is convenient, transplanting operation is convenient and fast, time is saved, labor intensity is reduced, and a seedling damage ratio and a seedling loss ratio are reduced.

The invention relates to the technical field of tissue culture, and discloses a method for tissue culture of Pingou hybrid hazel: take the twigs of Pingou hybrid hazel as explants for tissue culture, disinfect with 70-75% alcohol for 10-30 seconds, Sterilize with 0.08-0.12% HgCl2 for 6-10 minutes, rinse and set aside; cut the above-mentioned stem section with buds into 1-2 cm long single-stem sections with buds, and inoculate them into the primary culture medium containing 7.5g/L PVP. First-generation culture; inoculate the single stem segment after the first-generation culture into the proliferation medium for proliferation culture, the proliferation medium is NRM medium, and the proliferation medium also contains 1.5mg/L of 6-BA and 0.01 mg/L of IBA; the stem segment after proliferation culture was dipped in 1g/L of NAA for 10s and then cut into the substrate. The method of the invention greatly improves the reproduction efficiency and survival rate of the Pingou hybrid hazel tissue culture seedlings.

The invention provides a test-tube plantlet proliferation culture medium of pear tree somatic embryos. The culture medium comprises 1/2 improved SH, 0.5-1.0mgL<-1> of 6-BA, 1-2mgL<-1> of 2,4-D, 0.3-0.5mgL<-1> of NAA, 6.0-7.0gL<-1> of agar, 30gL<-1> of sucrose and 0.1-0.3% of phytagel and has pH value of 5.8-6.0. The culture medium has the beneficial effects that pear trees difficult to propagate are rapidly propagated through somatic embryogenesis by improving a basic culture medium and components and adjusting the culture conditions; the plant transplanting survival rate is more than or equal to 96%; seedlings grow robustly, thus the problem of germplasm degeneration of good seedlings can be effectively solved, plenty of high-quality purified and rejuvenated seedlings can be also provided for production and an ideal receptor system can be also provided for breeding new varieties through genetic transformation or mutation breeding of the pear trees.

The invention belongs to the field of multifunctional novel bio-fertilizers and relates to a special plant source liquid medicinal fertilizer for melons and fruits. The fertilizer is prepared from the following raw materials in parts by weight: 2-9 parts of honeysuckles, 2-10 parts of mint, 1-7 parts of pseudo-ginseng, 7-20 parts of fulvic acid, 2-9 parts of brown sugar, 1-9 parts of amino-oligosaccharin, 2-9 parts of zinc sulfate, 2-7 parts of monopotassium phosphate, 20-70 parts of urea, 3-9 parts of boric acid, 0.01-0.1 part of lecithin and a proper amount of water. The plant source liquid medicinal fertilizer for melons and fruits prepared by the method provided by the invention is free from toxicity, pollution and public nuisance and is especially suitable for developing green agriculture, so that produced melons and fruits and the like meet the requirements of green food. The fertilizer has the characteristics of no residues, no pollution and no resistance agriculturally. The purposes of improving the quality of melons and fruits and enriching output and harvest are realized by virtue of adjusting endogenous hormones of melons and fruits.

The invention belongs to the technical field of plant biology, relates to a method for inducing the in-vitro leaf somatic embryo of Populus*euramericana Neva, and solves the problems of low regeneration rate and few buds of the Populus*euramericana Neva by respectively adopting an embryoid regeneration pathway and an adventitious bud regeneration pathway. Wherein the time of the embryoid regeneration pathway from leaf induction to callus induction of adventitious buds is more than 20 days longer than that of the adventitious bud regeneration pathway, and the number of the induced buds is more than 30 less than that of the adventitious bud regeneration pathway and is less than half of that of the adventitious bud regeneration pathway. The embryoid regeneration pathway mainly provides technical support for gene engineering (gene transformation, gene knockout and the like) and cell suspension culture. The adventitious bud regeneration pathway is mainly used for providing virus-free seedlings and carrying out rapid propagation production. By means of the method, the callus induction rate and the budding rate are both 95% or above.

The invention discloses a method for planting Cinnamomum cassia Presl, and belongs to the technical field of plantation. The method comprises the following steps: (1) seed treatment: burying of Cinnamomum cassia Presl fruits in a mixture composed of river sands and maifan stone powder, and spraying of a nourishing solution, wherein the nourishing solution is prepared from an EM bacterial stock solution, sodium lignosulfonate, cyanamide, amino acid raw powder and water; (2) sowing; (3) seedling growth; (4) field planting; (5) fertilization management; (6) pest and disease control; (7) weeding;and (8) other daily managements. The Cinnamomum cassia Presl with high yield and good quality can be cultivated by excellent seedling cultivation, field planting and fertilization management.

The invention discloses an industrial seedling raising method for feed type tetraploidy black locust. The industrial seedling raising method comprises acquisition of sterile test tube seedlings, multiplying culture of the test tube seedlings, and rooting and acclimatization and transplanting technology of the test tube seedlings. The invention provides an initial medium, a tube seedling multiplying medium and a rooting medium, thus the monthly multiplying coefficient of the test tube seedlings can reach 10-12, the number of cluster bud seedlings on a callus is 10-15 and even up to 22, and therooting rate reaches 95% and above; during the acclimatization and transplanting, through the river sand and the mixed seedling raising matrix in an acclimatization nutrition pot, the acclimatizationsurvival rate goes reaches 95% and above, and the transplanting survival rate reaches 100%. Therefore, the method disclosed by the invention solves the problems of generally low multiplying efficiencyand low survival rate of the feed type tetraploidy black locust; since the technology is easy to operate, the method can realize rapid multiplication of the tetraploidy black locust to achieve an aimof fast popularization.