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A Single Recessive Photoperiod and Temperature Sensitive Genic Male Sterile Line Yahuang 396a in Cotton
1. The present situation and problems of breeding and seed production by using heterosis 1.1. The technique of artificial or chemical emasculation hybridization is simple, any two varieties can be parents of each other, anthesis emasculation and artificial pollination can be used, and chemical emasculation hybridization can also be used for seed production. The advantages are easy to make full use of existing variety resources, strong randomness of hybrid selection, free combination, and partial combination can use F2. Disadvantages are labor intensity, labor, high cost, F2 heterosis than F1 more decline. 1.2 cells
2019-01-16 -
Seed production techniques of Cotton male sterile Lines
The technology of cotton male sterile line seed production uses insect-assisted pollination male sterile line hybrid seed production method, which overcomes the shortcomings of artificial de-pollination hybrid seed production method, which is widely used at present, such as time-consuming and labor-consuming, high intensity of work, complex management of seed production field and high cost of seed production. The labor consumption can be reduced by more than 50%, and the purity of hybrid seeds can be further improved. It is the most ideal way to produce cotton hybrid seeds. The seed production technique of cotton male sterile line is to cultivate recessive low phenol markers.
2019-01-16 -
The latest course of Maize breeding techniques and methods
Seeds are the most important means of production, and new varieties are the core foundation of agricultural scientific and technological progress. Maize breeding and production practice show that 43% to 60% of the increase in maize yield is achieved through excellent varieties and their popularization. therefore, it is important to cultivate and popularize new maize varieties.
2020-11-10 The latest corn breeding techniques methods tutorials seeds are -
Maize breeding techniques
Maize breeding techniques
2018-07-01 -
Notice No. 2025 of the Ministry of Agriculture of the people's Republic of China
Announcement No. 2025 of the Ministry of Agriculture of the people's Republic of China according to the regulations on the Administration of Veterinary drugs and the Standards for quality Management of Veterinary Drug production, after on-site inspection and examination, 11 enterprises, including Guigang Fumin Animal (Fish) Pharmaceutical Co., Ltd., meet the requirements of veterinary drug GMP and veterinary drug production.
2015-12-26 Ministry of Agriculture people's Republic of China Bulletin No. 2025 -
How to refine high-quality seeds?
High quality seed is an important means of production to ensure high and stable yield of maize, and its production is a systematic project. it is the perfect implementation of all processes such as parent seed reproduction, production technology research, field seed production, seed processing and throughout quality control.
2016-03-20 High quality seed how to refine just high quality is -
Huang Weizhe, Mayor of Tainan City, inspected Evergrande's mask production line and presented him with food gold.
On the first day of construction, in the face of Wuhan pneumonia alert epidemic prevention, in order to avoid unnecessary hoarding caused by public panic, Tainan Mayor Huang Weizhe came to Evergrande Co., Ltd. located in Baihe District to inspect the production of masks, Councilman Shen Jiafeng,...
2020-01-31 -
Have you ever heard of corn going to male? There are few people who can increase production by emasculating corn.
Castration is also a commonly used technical means in agricultural production, especially in seed production; in addition, it will also be used in improving maize yield. It is easy to say about going to the male, but it still needs some operation skills.
2018-08-04 -
Population selection should be paid attention to in efficient goose breeding.
Population is the abbreviation of a species group such as group, strain, variety or genus. Population selection is based on the fact that both parties belong to the same or different populations. Population selection can be divided into two categories: purebred breeding and cross breeding, while hybrid breeding can
2020-11-08 Population selection yes high efficiency raising geese need attention population -
Two-line hybrid rice re-innovates world record
In 2013, the yield of two-line hybrid Y Liangyou 900 mu reached 988.1 kg per mu, creating the highest yield per unit area of hybrid rice in the world. The yield of two-line hybrid Y Liangyou 900 mu is 988.1 kg per mu, which is the 12th five-year Plan undertaken by Hunan Hybrid Rice Research Center.
2016-03-20 Two-line French hybrid rice again innovation world record 2013 -
Conditions and implementation of purebred breeding of Yellow cattle
Yellow cattle is an inherent common cattle breed in China. The number of breeding heads in China ranks first among all livestock or cattle, and the breeding area is almost all over the country. It is mainly used for service in agricultural areas, milk in semi-agricultural and semi-pastoral areas, and milk and meat in pastoral areas. In terms of shape and performance,
2020-11-08 Yellow cattle purebred breeding conditions and practice yellow cattle yes -
Potato quick-frozen French fries production line
The production line of potato quick-frozen French fries is jointly developed by the Agricultural and sideline products processing Engineering Technology Center of China Agricultural Machinery Institute and China Packaging and Food Machinery Corporation. Its production capacity is 350kg/h, installed capacity is 450kW, water consumption is 12m3/h, steam consumption is 3t/h, and the quality of potato chips has reached the advanced level abroad. (Tel: 010-64862459)
2019-01-16 -
Three departments: the authority to examine and approve the indicators of the cotton processing production line is devolved to the local authorities.
The National Development and Reform Commission, the General Administration for Industry and Commerce and the General Administration of quality Inspection and Quarantine issued a circular on October 15, in accordance with the relevant requirements of the State Council on streamlining administration and delegating powers, reducing prior examination and approval, and strengthening supervision during and after the event, after the study and decision, the total amount of cotton processing production line will be examined and approved from this year.
2016-01-10 Third departments cotton processing production lines indicators power of examination and approval decentralization -
Manage your field with LINE! Agricultural mobile application cloud system real-time monitoring, building digital farm
Most of the traditional agricultural cultivation management depends on manual labor. In order to ensure that the yield and quality are not affected by diseases, insect pests and climate, the traditional agricultural cultivation management gradually develops in the direction of facility cultivation, and applies greenhouse environmental control equipment to adjust the cultivation environment. However, it is still faced with the shortage of agricultural manpower and the difficulty of technology inheritance.
2021-06-10 Use LINE manage your field agriculture mobile app cloud -
Yuan Longping's team is studying the third generation breeding methods to develop hybrid rice.
Yuan Longping's team is studying the third generation breeding methods to develop hybrid rice.
2019-02-18 -
Conditions and implementation of purebred breeding of Beef cattle
Beef cattle, that is, beef cattle, is a kind of cattle mainly producing beef. Beef cattle are characterized by plump body, fast weight gain, high feed utilization rate, good meat production performance and good meat taste. Beef cattle not only provide people with meat products, but also provide people with other non-staple food. Meat
2020-11-08 Beef cattle purebred breeding conditions and practice beef cattle that is -
Green tripod (green cloud tripod) Chunlan
This orchid is a series of tissue culture varieties of green cloud (green cloud is called green cloud queen in spring orchid). Although it is tissue culture, it has a very high appreciation value. It is the third generation product of the green cloud series and the combination of the green cloud queen flower and the middle spot line art. The color contrast of the line art is very good, and it is the middle spot of the most stable and highest quality of the line orchid.
2018-02-27 -
Notice No. 2028 of the Ministry of Agriculture of the people's Republic of China
According to the regulations on Veterinary Drug Administration and the quality Management Standard of Veterinary Drug production, after on-site inspection and examination, 12 enterprises, including Jiangsu Renhang Pharmaceutical Co., Ltd., meet the requirements of veterinary drug GMP and the conditions for the issuance of veterinary drug production license, and now issue the Veterinary Drug GMP Certificate.
2015-12-26 People's Republic of China Ministry of Agriculture notice No. 2028 according to -
Cotton "Dong a" Genic male sterile Germplasm
The cotton male sterile plant was found in the field in 1972, and the cotton "Dong A" genic male sterile germplasm was successfully cultivated after 3 years and 6 seasons. Its sterile traits are mainly controlled by a pair of recessive nuclear genes. It has the advantages of stable inheritance of sterility, easy transfer, strong combining ability, wide restorer line, about 50% sterile plant rate and 100% sterility per plant. It has the characteristics of high yield and wide adaptability. A derived male sterile line 1 was bred by using Dong A genic male sterile germplasm. Among them, several derived male sterile lines were combined and 12 hybrids which had been approved were selected.
2019-01-16 -
An important breakthrough in the technology of efficient breeding and seed production of hybrid soybean
After more than 30 years of unremitting efforts, the research group headed by researcher Wei Baoguo of Shanxi Academy of Agricultural Sciences has made an important breakthrough in the technology of efficient breeding and seed production of hybrid soybean, which has opened up broad prospects for the utilization of heterosis of soybean in China and even in the world. Agricultural Science of Shanxi Province
2016-03-20 Cross soybean high efficiency breeding seed production technology harvest important breakthrough