163results about How to "Compact plant" patented technology

The invention discloses a controlled-salinity cultivation method for plating crop on moderate and medium and severe saline-alkali soil, comprising: before sowing, irrigating saline-alkali soil for pressing salt and making soil moisture with fresh water; applying base fertilizer based on the principal of organic fertilizer into the saline-alkali soil; meanwhile, applying compound fertilizer suitable for the saline-alkali soil as the assistant material; then, ploughing soil, and raking with a leveller to preserve soil moisture; furrowing and making a ridge; covering films and sowing on the high position of the ridge; carrying out close planting; and spraying growth regulator. The cultivation method has the advantages of strong adaptability and high crop output, can be used for improving the utilization ratio of the fertilizer, quickeing the soil fertility cultivation process and bringomg high agricultural use benefits.

The invention relates to a high-yield corn planting method which is simple, easy to popularize and capable of increasing yield and income. According to the high-yield corn planting method, corn is sown in 2-3 ridges, wherein one ridge is spared; one row of the corn is sown in each ridge, wherein the row spacing ranges from 13 centimeters to 15 centimeters. According to the high-yield corn planting method, the corn yield per unit area is increased through a technological innovation to exceed the yield per unit area of ridge culture corn in the world by 20-30%; since super-density-tolerance corn hybrid seeds are used, the plant type is compact, leaves charge upward, stems are tough, and roots are flourishing; corn plants are about 230-250cm high and are planted densely and reasonably; the two ridges are used for sowing, one of the ridges is spared of sowing, and the spared ridge enhances ventilation, photopermeability and photosynthesis; the marginal advantages are given full play to; colony heterosis is given play to, so that the corn yield is increased.

The present invention discloses breeding process of rice blast-resisting high quality and high yield round-grained rice variety Zhendao-10. The breeding process breeds rice variety featuring high resistance to rice blast, high quality and high yield. The breeding process includes the following steps: 1. hybridizing Zhendao-99 hybrid rice variety with early maturing, high yield and good taste as the female parent and Zhen-540 hybrid rice variety with excellent appearance quality as the male parent to obtain F1; and 2. selfing with the F1 for six generations to obtain the rice blast-resisting high quality and high yield round-grained rice variety Zhendao-10.

The invention discloses a method for optimizing nursery-grown plant cultivation by using ectomycorrhizal fungi. The method comprises the main process including the following steps: production of an ectomycorrhizal fungi agent, cultivation of tree seedlings, inoculation with the ectomycorrhizal fungi, and nutrition management of the tree seedlings after inoculation. In actual use, a pre-experiment can be performed according to different tree species, and a best ectomycorrhizal fungi strain is selected. 6 kinds of ectomycorrhizal fungi are adopted as materials to inoculate root systems of the tree seedlings, and the growth amount and the transplanting survival rate of the tree seedlings are significantly improved.

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 discloses a breeding method for black and white sweet glutinous hybrid maize. The breeding method for black and white sweet glutinous hybrid maize comprises the steps of selecting ultra-sweet maize, glutinous maize, a common high yield multi-resistance maize-inbred line and the like from different regions to be equivalently mixed, openly pollinating the maize, establishing a basic group A, selecting black glutinous maize germplasm from different regions to be equivalently mixed, openly pollinating the maize, and establishing a basic group B; then carrying out recurrent selection to the properties of seeds of the maize to respectively form a white sweet glutinous maize recurrent selection group A and a black sweet glutinous maize recurrent selection group B, obtaining a serious inbred line through multi-generation inbreeding, and screening a white sweet glutinous maize inbred line 4587 and a black sweet glutinous maize inbred line 3303 through combination ability measurement and cross combination quality identification to obtain 4587 X black 3303 hybrid. The breeding method can ensure both the glutinous and sweet genes of a parent inbred line and the hybrid of the parent inbred line, and also ensure the appearance quality, the favorable edible quality, the stability and the consistency of the hybrid. Moreover, the seeds of the maize are black and white.

The invention discloses a ZmCLA1 gene being capable of controlling the sizes of the included angles of maize leaves and having nucleotide sequence as shown in SEQ ID NO: 1. By a forward genetic method (in which by building a mapping population, the included angle of maize leaves is subjected to QTL primary positioning and fine positioning), candidate genes are unmistakably separated and the function of the ZmCLA1 gene in plants is not reported; the invention provides the ZmCLA1 gene capable of controlling the sizes of the included angles of maize leaves and a protein encoded by the ZmCLA1 gene. The ZmCLA1 gene has important value for the theoretical study on analysis of molecular mechanism for forming the included angles among maize leaves, the ZmCLA1 gene containing the sequence as shown in SEQ ID NO: 1 is modified and inoculated onto maize plants so that the maize breeding material which has compact plant type and small included angles of leaves can be created and the ZmCLA1 gene has important practical significance for breeding maize.

The invention relates to the field of agricultural technology, in particular to a novel chemical cotton topping method for use in a shine early cotton region. The novel chemical cotton topping method comprises the following steps: from the seeding stage to maturation stage of cotton, spraying mepiquat chloride onto leaf surfaces for performing basic conventional chemical control; when the plant heights are 55-65 centimeters and the fruit branch quantity is 6-8 at the cotton maturation stage, spraying a chemical topping aqueous solution onto the top of cotton plants, wherein the chemical topping aqueous solution comprises the following components in parcentage by weight: 15-20 percent of mepiquat chloride soluble powder, 5-10 percent of Tuyouta cotton topping aqueous solution and 70-80 percent of water, and the using amount of the chemical topping aqueous solution is 40-50ml per mu. Through mechanical spraying and topping, the effects of topping and regulating plant growth are achieved, plant growth is inhibited, the labor force and labor intensity are reduced, the topping efficiency is increased, the topping cost is reduced, the yield is increased, and full-mechanical cotton production can be realized instead of manual topping.

The invention belongs to the field of genetics and breeding, in particular relates to a rice plant type related gene RL10 and application thereof. The rice gene RL10 has a sequence as shown in SEQ ID NO.1, and the rice gene RL10 codes F-box proteins and controls the polar growth of rice leaves and the morphogenesis of rice panicle traits. The gene can improve the plant types and the panicle types of the prior species, improve the yield, and has wide application prospect in the high-yield breeding of rice.

The invention discloses a breeding method of the japonica rice variety Zhendao No.12 characterized in good quality, good taste, rice blast resistance and high production. The rice bred by the method has the advantages of good quality, good taste, high commodity value; excellent disease resistance, good yield stability and fertility, coordinated grain structure, auto-regulation; good plant type and maturation appearance. The breeding method of the invention includes the following steps: (A) selecting the self-selected Zhenxiang 24 of the late-maturing middle japonica rice characterized in early mature period, high production, rice blast resistance and good taste as the female parent, crossbreeding with the strain Zhen 511 characterized in rice blast resistance, good quality and appearance and good taste and obtaining 60 grains of F0 seeds; (B) fry soaking, sprouting and seed sowing of the F0 seeds, multiple crossing with the Wuyujing No. 8 variety with high production but bad quality, self-breeding for eight generations and obtaining the japonica rice characterized in extra quality, good taste, rice blast resistance and high production, that is the Zhendao No.12.

The invention discloses a breeding method of a rice species combining the properties of low glutelin and rice stripe disease resistance, which pertains to the field of rice breeding. W3660 is taken as a female parent and Zhendao 88 is taken as a male parent for hybridization; and since F2 generation, a single plant with a main ear having 12 grains, the holoprotein SDS-PAGE protein band pattern of which is in line with W3660 holoprotein band pattern, is selected for planting; WW1 and R15 marks are used for assisting the selection; by combining the field inoculation and manual inoculation certification of the plants with rice stripe disease resistance, a plant strain which has rice stripe disease resistance and is characterized in that the SSR fingerprint has a low glutelin characteristic band 237bp marked by WW1 and a rice stripe disease resistance characteristic band 363bp marked by R15, and the growth duration, plant height, and shape and characteristics of the plant leaves are identical with that of the Zhendao 88 is selected and named as W1721. After determination, the new rice variety W1721 has low glutelin content and less than 4% of the absorbable protein (including albumin-globulin and glutelin) content and has rice stripe disease resistance.

The invention discloses a breeding method of a photo-thermo-sensitive genic male sterile line of quality rice and belongs to the field of plant breeding technology. The method comprises steps as follows: (1) selecting the photo-thermo-sensitive genic male sterile line Guangzhan 63S as a female parent, taking intermediate material Yandao 229 of routine medium indica rice which has a tight plant type, good lodging resistance, high quality and high resistance to rice blast as a male parent, and carrying out hybridization and combining and generation-adding to harvest F1 seeds; (2) planting F1 seeds and carrying out F2 large group selection, selecting superior individuals with good photo-thermo-sensitive genic male sterile characteristic, high quality and tight plant type at each generation starting from F2. Until self-crossing for six generation namely F6 generation, the photo-thermo-sensitive genic male sterile line with tight plant type, high quality, high resistance to rice blast and early-maturing medium indica type is bred and named as Yan 166S. A new combination of two-line indica hybrid rice prepared by the above bred photo-thermo-sensitive genic male sterile line can better solve the disadvantage of poor lodging resistance of the new combination of the two-line hybrid rice prepared by the indica-type photo-thermo-sensitive genic male sterile line Guangzhan 63S.

The invention belongs to a plant chlormequat drought resistance agent which is prepared by the following ingredients in parts by weight: 12-17 parts of trinexapac ethyl, 8-12 parts of chlormequat chloride, 12-17 parts of paclobutrazol, 23-27 parts of uniconazole and 28-32 parts of morphactin. The plant chlormequat drought resistance agent has a dwarfing effect to lawn plant; with the plant chlormequat drought resistance agent, the needed flat trimming is little, water for irrigation is little, the leaves are straight and upright, the root system develops well, and the resistance to frost and drought, saline alkali, diseases and insects is good; and the plant chlormequat drought resistance agent has the advantages of low toxicity, high efficiency, environment-friendly performance and low consumption.

The invention discloses a method for planting wheat, and aims to overcome the defects existing in the prior art and provide a method for planting wheat. The method comprises seven steps, and can increase the wheat yield, and improve the drought and lodging resistant capacities of the wheat.

The invention discloses a breeding method of a novel group PLR germplasm of corn. The method comprises the steps of selecting well-performing hybrids from temperate production, namely hybrid F1-F2 generation germplasms in the modes of Reid*PB group and Reid*Lan., respectively breeding selfing lines and measuring combining ability; and constructing the PLR group germplasm by utilizing the R/P and R/L selfing lines with high combining ability and complementary agronomic traits. The method has the beneficial effects that the early generation selection and the S3-S4 generation haploid breeding areadopted; according to the method, the plant type, the resistance, the panicle traits and the like are strictly selected in flowering and harvesting periods and a batch of excellent selfing lines arebred; barren ear tips are reduced; the resistance, the combining ability, the tip sealing property, the seed-producing rate, the dehydration property and the adaptability are increased; and the prepared hybrids can meet the production requirements.

A nutrient ginseng growth regulator belongs to modern Chinese traditional medicine field. Because the ginseng is a perennial perennial plant, if the ginseng has grown for sever years, the soil condition will deteriorate, and the ginseng will be in poor, thereby reducing the yield and the quality of the ginseng, accordingly, for solving said problems, the nutrient ginseng growth regulator is provided. In the invention, by applying the nondurable nutrient elements comprising P, K, Fe, B, Mn, Cu, Zn, and Mo and the plant growth regulator ethephon+6-BA on the leaves of the ginseng once at the final stage of the ginseng leaf expansion, once at the green fruit stage, and once at the fruit red ripe final stage, the growth of the ginseng can be regulated and promoted, thereby improving the yield and quality. The growth regulator can be used conveniently and the cost thereof is low.

The invention discloses a breeding method for black barley. The breeding method comprises the following process: hybridization is performed by taking black Tibetan wild barley ZYM0064 as a male parentand GanPi 4 as a female parent, seeds are harvested to obtain a generation F1; self-crossing is performed on the F1 generation to obtain a generation F2, when the barley matures, black individual plants are selected and marked, the individual plants are harvested, the individual plants are threshed, and the threshed individual plants are air-dried and preserved; selected individual plants of generations F3-F5 are each sown in 2 rows, black individual plants are selected from the aspects of plant height, ear length, grain number per ear, tiller rate, thousand-grain weight, plant type, color change at ripe stage, uniformity, plant lodging resistance and disease resistance, and the individual plants are harvested, and are air-dried and preserved; and self-crossing of multiple generations andselection are performed to obtain a generation F6, and stable lines with black grains and excellent traits are harvested. The breeding method breeds a new cultivar of the black barley with good quality through hybridization, so that the yield of the barley is improved.

The invention discloses a breeding method of a corn selfing line and belongs to the technical field of corn breeding. The breeding method includes: using a corn line NH6249 as a basic material; obtaining the corn selfing line NH6249-1 after selfing of several generations. The corn selfing line NH6249-1 obtained by the breeding method has the advantages of high matchability, high yield, high quality and multi-resistance, is suitable in mechanical production and can be matched and bred to obtain a basic material of new corn varieties having excellent performances like high matchability, high yield, high quality and multi-resistance.

The invention discloses a paphiopedilum new variety 'yo-yo paphiopedilum' group rapid reproduction method, and relates to a biological engineering plant tissue culture reproduction method. The method includes the following steps of: 1, artificial cross pollination; 2, sterile sowing and protocorm formation stage; 3, proliferation and differentiation culture stage; 4, seedling strengthening and rooting stage; 5, seedling hardening and transplanting. The 'yo-yo paphiopedilum' combines the excellent traits of parents, has the advantages of being compact in plant type, unique and elegant in flower shape, attractive in flower color, easy to cultivate, up to 50 days in average flowering stage and the like, and avoids the disadvantages of being single in flower amount and too long in scape which is prone to be in lodging and broken. According to the method, the seed germination rate and the flowering rate are high, and the cultivation period is 3-4 years. The method is a high efficiency test tube reproduction method for obtaining a large number of 'yo-yo paphiopedilum' seedlings, and has the advantages of being high in germination rate, fast in seedling formation, good in seedling quality, strong in growth potential and the like, can obtain consistent test tube seedlings, and provides a large number of the seedlings in a short time so as to better protect wild resources.

The present invention is summer radish variety breeding process and belongs to the field of plant variety breeding technology. The radish hybrid Xiayou-1 is bred with male sterility line R010108A, which is transfer bred with Xiachangbai-2 of Jiangsu Province as sterile source and Huochetou Radish of Guangdong Province, as female parent and Duanye-13 as heat tolerant variety as male parent. The radish hybrid Xiayou-1 is the first filial generation heat tolerant radish with white peel and white pulp capable of growing normally at high temperature field condition in summer, and has high uniformity, less becoming spongy, high resistance, high yield and high quality.

The present invention relates to selective breeding method of hybrid rice. The late blooming season wide affiliation long-grained rice restoring line CH59 which excellent agronomic character is selectively bred through hybridizing and generation adding the restoring line G230 as female parent and the restoring line Chuanhui-58 as female parent, the blooming season characteristic identification on the F2 group, eliminating the plants with early blooming season, further blooming season characteristic identification, agronomic character screening, resistance and rice quality identification, fertility restoring capacity determination and affinity identification. By using japonica rice sterile line Chuanjiang 16A and Chuanjiang 12A as female parent and the restoring line CH59 as male parent, the hybrid rice Chuanyou 59 and Chuanyou 259 are bred.

The invention belongs to the technical field of corn hybridization, and discloses a breeding method of corn hybrids. The method is mainly technically characterized by comprising the following steps: firstly, establishing a heterosis group and a heterosis mode, hybridizing a public selfing line Q319 and a local germplasm 81162, adopting a pedigree method, conducting selfing for six generations, selecting a superior line, cultivating a selfing line Heng H1027 which belongs to a PB group*Reid group, dividing the selfing line Heng H1027 into a group A, introducing a selfing line PH4CV variant to backcross with PH4CV, then conducting selfing for five generations to breed a selfing line Heng HC705, and dividing a pedigree of the heterosis group into an Iodent group which belongs to a male parent group B; performing test-matching and grouping on a newly introduced germplasm material, then performing line selection, then carrying out circulating line selection, enabling F1 generation inheritable characters to be stable, carrying out selfing or improved line backcrossing on single plants, and realizing segregation of F2 or BC1 generation characters; and planting ear rows in the F3 generation, performing phenotype selection and inter-group test-matching rotation selection on the segregated ear rows and individuals, and finally obtaining the new corn hybrid variety. The method has the advantages of early maturity, short stems, lodging resistance and suitability for mechanical grain harvesting.