30 results about "Roguing" patented technology

The invention discloses a method for producing maize ultra-fine powder, which comprises choosing and roguing maize, loading into a decorticating machine to remove maize epidermis and germs, comminuting into large-granule maize grains, watering and immersing, dewatering, disintegrating the maize particles in a crushing machine, passing through 120-150 mesh sieve, finally drying the maize particles.

The invention discloses a method for increasing the yield of mass crossing seeds of sweet potatoes. The method comprises the following steps: (1) selection of a seed production base; (2) selection ofseed production parents; (3) transplanting and management after planting; (4) roguing and diseased branch removing; (5) topping and grafting; (6) harvesting of seeds; (7) drying and storage of the seeds. The method disclosed by the invention has the following beneficial effects that: 1, an isolation zone is arranged, so that the possibility of crossing of other non-target parents is avoided, and the seed production quality is increased; 2, just one kind of sweet potatoes are planted, so that the probability that generations pass through identification is increased; 3, the spreading risk of plant diseases and insect pests of the sweet potatoes is reduced to the maximum through isolated seed testing and epidemic situation detection, and the spreading of the plant diseases and insect pests ofthe sweet potatoes is effectively avoided; 4,by removing main stems, more side stems are obtained, the blossom quantity is increased, and the fruiting rate is ensured; 5, honey plants are planted atthe periphery and the middle part of a seed production field, so that bees can be favorably attracted to carry out pollination, and the seed production yield can be increased. According to the methodfor increasing the yield of the mass crossing seeds of the sweet potatoes, disclosed by the invention, the foundation is laid for new variety breeding of sweet potatoes.

A preparation method of mulberry bark fibers includes the steps of roguing, binding, caging, chemical pretreatment, supercritical carbon dioxide fluid degumming treatment and biological enzyme degumming treatment, washing, dehydration, oil feed, carding and drying, wherein the chemical pretreatment method includes pickling treatment and alkali oxygen treatment. The mulberry bark fibers prepared through the preparation method are high in degumming rate, low in damage, high in performance and capable of meeting the requirement for modern environment friendliness.

The invention provides a propagation method for tobacco seeds by artificial supplementary pollination. The method specifically comprises the following steps of: seedling; ditching and applying base fertilizers according to a specification that every three rows serve as a tobacco strain belt; covering by a mulching film; transplanting according to a specification that every three rows serve as a tobacco strain belt; uncovering the film and topdressing; intertilling and earthing up; removing impurities and roguing; topping to control height of the tobacco strains in the middle row topped within 100-120cm and height of the tobacco strains in rows on both sides within 90-110cm; picking buds and leaving forks; and applying a fruit bearing fertilizer to promote flower-formation and preserve blossoms; preserving fruits and thinning flowers by artificial supplementary pollination, and collecting matured capsules. The method provided by the invention is simple in operation, low in input production cost and high in seed output. Compared with a conventional method, the propagation method provided by the invention has the advantages that the yield is improved from 5-8kg/mu to 18-27kg/mu, with the increase amplitude which is 3-4 times that of the conventional method.

The invention discloses a method for roguing and purifying a low-grade magnesite. The method comprises the steps of (1) adopting the low-grade magnesite as a raw material, and filtering the magnesite to filter out large impurities in the magnesite; (2) feeding the magnesite into a crusher and crushing the magnesite with the crushing parameters thereof as follows: grinding capacity: 6-10 m<3> / min, air pressure: 1 Mpa; (3) putting the crushed magnesite into a reverberatory furnace, a rotary kiln, a suspension furnace, a fluidized bed furnace or a tunnel kiln at 600 to 1000 DEG C to fully roast the crushed magnesite; (4) hydrating the lightly roasted magnesium oxide with water, and conducting the self-grinding; (5) finally, roasting magnesium hydroxide powders for a second time at 600 to 900 DEG C to obtain rogued and purified lightly roasted magnesium oxide powders. The above method improves the impurity-removing efficiency of magnesium oxide, and increases the purity of magnesium oxide.

The invention discloses a seed preparation method for waxy maize hybrids of Zhenuoyu 7, and belongs to the field of crop maize heterosis utilization. The seed preparation method for the waxy maize hybrids of Zhenuoyu 7 comprises the following steps: inbred line breeding, security isolation, sowing time regulation, appropriate row ratio selection, roguing, female parent emasculation, male parent removal, and harvest at the right moment. According to the method, the self-selection inbred line W321 is used as a female parent and the self-selection inbred line Lan 158-6 is used as a male parent to prepare the maize hybrids. The waxy maize hybrids of Zhenuoyu 7 obtained by the invention have the benefits of short growing period, high yield, high quality, wide adaptability and the like, and have a broad popularization and cultivation prospect.

The present invention relates to agricultural technology. The rogusing and seed stock breeding process includes soaking seed in chemical reagent, raising seedling in nutritive pot, eliminating seedlings with yellow spot, transplanting, selecting plant and seed, roguing and selfing, cold storing of selfing seed, producing original seed in certain propagation coefficient and other steps. Through roguing in the seedling bed for three breeding periods, the present invention can purify insect-resisting cotton seed, maintain and prolong insect-resisting performance life, prevent biological and mechanical mixing and especially prevent the degradation of insect-resisting performance caused by the loss of foreign insect-resisting gene.

The invention discloses a method for efficiently screening high linolenic acid germplasm of brassica napus. The method comprises the following steps of (1) expanding phenotypic variation of linolenicacid by utilizing a plurality of different ecological environments in winter and spring; (2) establishing different screening indexes according to different screening environments and generations; (3)performing comprehensive screening on the linolenic acid yield and the fatty acid composition to quickly obtain the high linolenic acid germplasm; (4) screening agronomic and quality characters whilescreening linolenic acid by utilizing a method of combining selfing and plant selection, so as to improve the comprehensive characters of the high linolenic acid germplasm; and (5) performing geneticstability analysis and quantitative evaluation on the many-year and multi-point results, so as to obtain the genetically stable high linolenic acid germplasm of brassica napus. The method disclosed by the invention has the characteristics of quantifiability and mechanical repeatability, can meet the screening requirements of the high linolenic acid germplasm of brassica napus, and can also enrichand complete the brassica napus breeding method; and meanwhile, beneficial reference can be provided for the development of fatty acid improvement work of other crops.

The invention discloses a breeding method of hybrid plums with high anthocyanin content, and belongs to the technical field of planting. The method comprises the following steps: 1) selecting Burgundy plums as female parents, selecting self-pollination cherries as male parents, and then carrying out mixed pollination; 2) obtaining cultivated seeds from the female parents, and refrigerating for later use; 3) performing germination accelerating and seedling raising treatment on the seeds; and 4) grafting twigs of the cultivated seedlings, then selecting survived grafted plants, and finally, performing planting comparison to obtain hybrid plum plants with high anthocyanin content. According to the breeding method of the hybrid plums with the high anthocyanin content, through quality breeding, hybrid predominance breeding, super-parent breeding and distant hybridization breeding, crimson cherries and crimson plums are hybridized, and the advantages of the plums and the cherries are combined, so that a new variety with high anthocyanin content and better sweetness and fragrance is cultivated.

The invention discloses a method for industrially planting a new hybrid Chinese bellflower variety Zhonggeng 2. The method comprises the steps of: reproducing parents, producing hybrid seeds, determining row ratio and sowing date of the parents, removing impurities and roguing, building an industrialized planting model base, and the like, wherein the building of the industrialized planting model base comprises the steps of: site selection, sowing, thinning, fertilizer application during a seedling stage, irrigation, flower removal, weeding, prevention and control of disease, pest and rat disasters, harvest processing and storage transportation, processing in a production place, packaging storage transportation and the like. According to the method, the industrial level can be promoted, the industrialization of platycodon medicinal material production is realized, and the quality of the medicinal material and the requirements of the masses on safe medicine application are guaranteed. Zhonggeng 2 is a high-yield and high-quality new hybrid platycodon variety and has strong competitiveness in platycodon varieties. Under the current conditions of research on raw platycodon resources and shortage of raw materials, the method can be implemented for alleviating the shortage condition of platycodon in the market and promoting the protection and the sustainable utilization of resources; and the method has good economical and social benefits.

The invention discloses a method for planting agricultural green ecological selenium-rich rice, which comprises the steps of I, selecting seeds; II, pretreating a land; III, carrying out pest control;IV, sowing seeds; V, providing field management; and VI, harvesting. The seed selecting step includes following criteria. The seeds are necessarily non-transgenic; the seeds are necessarily of low adsorption to heavy metals in soil; the seeds are necessarily of a first-grade rice variety having good quality and good taste; and a plurality of samples are selected at a base, and heavy metal, pesticide residue and pH value data of soil are detected. According to the method of for planting agricultural green ecological selenium-rich rice, on the basis of original ecological soil, the scientific and technical production method is adopted, qualified green selenium-rich rice is planted according to technical data and experimental results of multi-year detection zoning comparison by optimizing and removing and roguing, the selenium content is rich, products of different grades can be divided according to the data, dietary and medicinal traditional culture methods are fully utilized, and the maximum value is achieved.

The invention discloses a simple and feasible method for rejuvenating a low-efficiency forest tree body of camellia oleifera. The method comprises the following steps of (1) genetic identification: observing and recording a yield of a single camellia oleifera fruit for four consecutive years, and marking individuals with less fruiting amounts throughout the year; (2) cause diagnosis: performing cause diagnosis on the individuals with the less fruiting amounts throughout the year; (3) performing roguing adjustment according to cause diagnosis, and cutting off individuals with short growth vigor and serious disease and pest damage, and meanwhile, carrying out improved variety big seedling supplementary planting on a forest gap and a forest margin vacant land subjected to roguing; and (4) branch cutting and rejuvenation: for individuals kept after roguing, in winter or early spring, cutting off first-stage or second-stage branches with a length of 20-100 cm kept to promote the branches to germinate new branches, selecting 2-3 robust new branches therein to serve as main branches, removing other sprouted branches, and after 2-3 years, forming a new crown by the cut branches.

The invention discloses a breeding method of a germplasm containing recessive epistatic non-allelic genes with an inhibition effect on blue abortion Ms2 character expression, and belongs to the fieldof wheat breeding. According to the breeding method, multiple screened parents containing part of exogenous consanguinity and a local main-cultivated wheat variety are hybridized and subjected to multiple crossing, early-stage hybridization and first-three-generation multiple crossing are adopted, and a mixed seed selection method is adopted for operation according to a multiple-selection and few-obsolescence principle, so that the group scale is enlarged; systematic breeding is conducted from the fourth generation of multiple crossing according to a systematic seed selection procedure; when roguing is carried out, pollinating and backcrossing are carried out on certain test blue abortion plants by using selected plants and selected lines, and the proportions of the plants with fertile blue grains of backcrossed generations of the selected lines are compared to finally breed the Ms2-R102 germplasm conforming to recessive epistatic hereditary characteristic expression. The germplasm material obtained by the breeding method is subjected to blue abortion pollination and then backcrossing, so that half of the blue grains borne on the blue abortion plants are fertile and half of the blue grains are sterile, the current situation that the blue grains borne by the existing blue abortion plants are all sterile is broken through, and the germplasm material is expected to become a rare germplasm for realizing cytoplasm replacement.

The controllable hybrid corn producing process includes the following steps: preparing hybrid seed via selecting corn self selecting line with green converting leaf color mark; propagation breeding and auxiliarily roguing to eliminate false self selecting line seedling without leaf color mark while reserving true self selecting line seedling with leaf color mark; and roguing in field production via drawing off seedling with leaf color mark while the seedling grows to 1-3 leaves. The said production process of monitoring hybrid corn is saving in time, high in roguing efficiency.