34results about How to "Good acquaintance" patented technology

The invention relates to a method for generating a garment body prototype model based on a personalized three-dimensional virtual dress form. The method comprises the steps as follows: firstly, carrying out treatments such as section curve fitting, re-sampling, symmetrization, convex hull calculation, translation and curve fitting of inwardly recessed zone points and the like on three-dimensional data of a human body trunk to obtain the symmetric virtual dress form with a similar effect of wearing a body fitting garment; secondly, defining characteristic points and lines on the three-dimensional dress form of a half body, and further subdividing zone curves; and lastly, carrying out two-dimensional expansion on the three-dimensional curves to generate the personalized garment prototype model. The three-dimensional virtual dress form obtained by utilizing the method can be applied to personalized customization of industrial dress forms, the generated prototype model inherits the accuracy of the conventional three-dimensional curve expansion technology and can guarantee the structural characteristics of the conventional prototype, and the mature two-dimensional CAD (Computer Aid Design) technology can be made full use of in results for further model customization of garments with specific styles.

The invention discloses a method for breeding high-yield and disease-resistant glutinous rice, and belongs to a crop breeding method. The method disclosed by the invention comprises the following steps: selecting disease-resistant and high-yield japonica rice as a female parent, selecting blast-resistant and high-yield round-grain glutinous rice as a male parent, and hybridizing the japonica rice with the glutinous rice to obtain a generation F1; carrying out manual screening, rice stripe disease identification and bacterial leaf blight artificial inoculation identification, and selfing in a generation F5; and further screening by identifying bacterial leaf blight, rice stripe disease and rice blast, and identifying quality and taste so as to obtain a target variety. By adopting the breeding method disclosed by the invention, the bred glutinous rice has the advantages of excellent quality, good taste and good commodification; the selected waxy material has the advantages of good plant type, good ripe phase, strong disease resistance, strong yielding ability, good yield stability, coordinated grain structure and strong auto-regulation ability, and ripe stage is combined with taste quality during yield identification; and thousand seed weight of the bred material is more than 26g after screening for years.

The invention relates to a breeding method of high-ripening-rate paddy rice and belongs to the technical field of plant breeding. According to the breeding method, a parent is selected to be subjected to single or multiple cross and different ecological shuttle breeding, so that the deficiencies of low ripening rate and instability of a variety in existing production are overcome, a novel variety of paddy rice which has the characteristics of high quality, high yield and multiple resistance and is resistant to high temperature and low temperature is bred, and current agricultural production requirements are well met.

The invention discloses a breeding method of high-yield multi-resistance non-glutinous rice suitable for light simplified cultivation, which belongs to a breeding method of plant seeds. The method comprises the steps of generation segregation through early sowing at an early stage, screening through late sowing, high-density direct sowing, low-nitrogenous-fertilizer-level planting, direct sowing and mixed harvesting to obtain seeds which satisfy requirements. The rice bred through the method has the characteristics that the rice is suitable for light simplified cultivation, is high-yield and is multi-resistant. Under the transplanting condition of individual plants, the growth situation is good, the self-regulating capability is strong, the stem is robust, the rice is fertilizer-resistant and anti-falling, the rice can be directly planted in the early ten days and middle ten days of June, the spike length is generally and approximately 18cm, the number of productive spikes per mu can reach more than 200 thousand, the total grain number per spike is 130-140, the fruiting rate is above 90 percent, the weight per thousand grains is 27-28g, the rice grains are full, the commodity value is good and the processing quality is good.

The invention discloses a breeding method for wheat having fast grain filling and fast dehydration, and belongs to the field of wheat breeding. The method comprises the following steps: (1) carrying out parent research, identifying filling and dehydration characteristics of wheat varieties, and determining a parent cross combination; (2) according to seed selection requirements, determining a cross breeding or backcross breeding scheme; (3) in the seed selection process, comprehensively applying morphological trait investigation, studies on wheat grain filling and dehydration characteristics, different-stage sowing and yield identification, screening a genotype having fast grain filling, fast dehydration and high yield; and (4) breeding the new wheat variety having fast grain filling and fast dehydration. According to the breeding method for the wheat having fast grain filling and fast dehydration, the early generation morphological selection and the study on the grain filling characteristic and the dehydration characteristic are applied to wheat breeding at the same time, and the wheat material having fast grain filling and large dehydration rate can be accurately selected. The variety bred by the method has the advantages of early maturation, good maturation performance and grain plumpness. The filling rate is fast, the filling completing time is short and the thousand seed weight is high. The fast dehydration stage is immediately performed after high-efficiency completion of filling, the dehydration rate is fast, and the maturation period is short. Under the condition of late sowing, the wheat can be still harvested in advance, and crop rotation for rice can be performed in advance. The wheat adapts to new requirements of the current new wheat situation, and a foundation is laid for annual yield increase of rice and wheat in the middle and lower reaches of the Yangtze river.

The invention provides a cultivating method for direct sowing rice. The cultivating method includes the steps that a rice field is treated and flattened, base fertilizer and a synergist are applied, and then sowing and irrigating are carried out, wherein the amount of the base fertilizer applied to each mu of the rice field is 50 kg, and the amount of the synergist applied to each mu of the rice field is 6 kg; 18-22 days after irrigating, 10 kg of urea powder with the nitrogen content being 46% is applied to each mu of the rice field; 28-32 days after irrigating, a first additive is applied to the rice field; 48-52 days after irrigating, a third additive is applied to the rice field; 73-77 days after irrigating, a second additive and the third additive are sequentially added to the rice field; 7 days after the former step is completed, the second additive is applied to the rice field again; 83-87 days after irrigating, the third additive is applied to the rice field; 93-97 days after irrigating, the third additive is applied to the rice field again. By means of the method, the growth period of traditional direct sowing rice can be shortened, diseases can be effectively resisted, and the yield per mu can be effectively increased.

The invention discloses a breeding method of a hybrid rice two-line sterile line with leaves carrying white midribs. The breeding method comprises the following steps: with Zhe midrib rice as a male parent and a rice variety of the two-line sterile line as a female parent, hybridizing to obtain F1-generation seeds; selfing the F1-generation seeds; performing back-crossing on fertile rice plants with excellent characters and white midribs, which are selected from an F2-generation plant, and the rice variety of the two-line sterile line to obtain BC1F1-generation seeds; performing back-crossing on an excellent fertile plant which is selected from the BC1F1-generation seeds, and the rice variety of the two-line sterile line to obtain BC2F1-generation seeds; repeating selfing and back-crossing, performing one-time selfing after continuous back-crossing for twice, and performing back-crossing for the last time; and selfing later generations obtained after the last-time back-crossing, selecting sterile single plants with leaves carrying white midribs and excellent characters from the selfed later generations, and developing breeding of a system to obtain the hybrid rice two-line sterile line. In the sterile line obtained by the invention, the marked characters are expressed in the midribs of the leaves only, without influencing the economical characters; hybrids can be simply rejected, and the purity can be identified.

The invention discloses a breeding method of a rape variety suitable for machine harvesting and sowing. The method is as below: using a rape variety (8901* 94Y16) F2 as a female parent, hybridizing with (8705 *Shi Lifeng) F4 as a male parent to obtain an F0 seed; sowing the F0 seed; selecting an excellent individual plant for mixed sowing; carrying out years of continuous self-crossing from an F2; carrying out bagging inbred on the individual plant since an F3; rigorously analysing quality of individual plant in the indoor; cleaning out plants with unqualified double low indexes to ensure excellent and stable quality of offspring; and gaining a novel strain 2808 of a conventional cabbage type rape with high quality, double low, disease resistance, high and stable yield and lodging resistance until an F6. The rape bred by the method has advantages of high quality, double low, full and round rapeseed, high thousand seed weight, black seed, good commodity, excellent disease resistance, high and stable yield, good agronomic traits, excellent lodging resistance, strong self regulation ability, good plant type, good maturity performance, constant maturity, suitability for machine harvesting and sowing, and cost saving.

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 provides a cultivating method for direct sowing rice. The cultivating method includes the steps that a rice field is treated and flattened, base fertilizer and a synergist are applied, and then sowing and irrigating are carried out, wherein the amount of the base fertilizer applied to each mu of the rice field is 50 kg, and the amount of the synergist applied to each mu of the rice field is 6 kg; 18-22 days after irrigating, 10 kg of urea powder with the nitrogen content being 46% is applied to each mu of the rice field; 28-32 days after irrigating, a first additive is applied to the rice field; 48-52 days after irrigating, a third additive is applied to the rice field; 73-77 days after irrigating, a second additive and the third additive are sequentially added to the rice field; 7 days after the former step is completed, the second additive is applied to the rice field again; 83-87 days after irrigating, the third additive is applied to the rice field; 93-97 days after irrigating, the third additive is applied to the rice field again. By means of the method, the growth period of traditional direct sowing rice can be shortened, diseases can be effectively resisted, and the yield per mu can be effectively increased.

The invention discloses a breeding method for wheat with fast grain filling and fast dehydration, and belongs to the field of wheat breeding. The method comprises the following steps: (1) carrying out parental research, identifying the grain filling and dehydration characteristics of the wheat variety, and determining the hybrid combination of the parents; (2) determining the hybrid breeding or backcross breeding program according to the selection requirements; (3) the seed selection process In the process, the investigation of morphological traits, the study of grain filling and dehydration characteristics of wheat, staged sowing and yield identification were used comprehensively to screen out genotypes with fast grain filling, fast dehydration and high yield. (4) Breed new wheat varieties with fast grain filling and fast dehydration. The invention discloses a breeding method for wheat with fast grain filling and fast dehydration, which simultaneously applies early generation morphology selection and research on grain filling characteristics and dehydration characteristics to wheat breeding, and can accurately select wheat materials with fast grain filling and high dehydration rate. The variety bred by the method of the invention matures early, has good ripeness and full grain. Fast grouting rate, early completion of grouting time and high thousand-grain weight. After the grouting is completed efficiently, it immediately enters the rapid dehydration stage, the dehydration rate is fast, and the maturity period is early. Under the condition of late sowing, it can still be harvested early, and it can make stubble for rice in advance. Adapting to the new demand under the current new situation of wheat can lay the foundation for the annual increase of rice and wheat production in the middle and lower reaches of the Yangtze River.

The invention discloses a breeding method of a hybrid rice three-line sterile line with leaves carrying white midribs. The breeding method comprises the steps: with Zhe midrib rice as a male parent and a rice variety of the three-line sterile line as a female parent, selfing after hybridizing to obtain F2; performing selfing on plants with white midribs and excellent characters, which are selected from the F2, performing continuous selfing on plants which have white midribs and excellent characters, are capable of keeping the sterility characteristics of the three-line sterile line, and are selected from the selfed later generation to obtain a hybrid rice three-line maintainer line with leaves carrying white midribs; with the hybrid rice three-line maintainer line as a male parent, performing test crossing with a rice variety of the three-line sterile line; performing back-crossing on sterile plants selected from the later generation obtained through test crossing, and the hybrid rice three-line maintainer line; with the hybrid rice three-line maintainer line as a cycle parent, performing continuous back-crossing on sterile plants with white midribs, which are selected from the later generation and obtained through back-crossing, and the cycle parent to obtain the hybrid rice three-line sterile line with leaves carrying white midribs. In the sterile line obtained by the invention, the marked characters are expressed in the midribs of the leaves only, without influencing the economical characters; hybrids can be simply rejected, and the purity can be identified.