Creating method for elite seeds of three-coloured amaranth
An amaranth and germplasm technology, which is applied in the fields of botanical equipment and methods, plant genetic improvement, angiosperms/flowering plants, etc., to achieve the effects of simple operation, saving drug costs, and good taste.
Inactive Publication Date: 2009-09-23
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology
[0003] my country is one of the origins of amaranth, and it has been cultivated for thousands of years. However, local varieties have been used for its production and planting for many years. There has been no report on the breeding of high-quality, multi-resistant new varieties of edible amaranth at home and abroad.
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[0021] 1) Excavation of better amaranth resources: According to the comprehensive breeding goal, several varieties of round-leaf white oil green amaranth (purchased from Guangdong Meizhou Jifeng Seed Industry Development Co., Ltd.), whole red amaranth (purchased from Nanjing Minghua Seed Industry Co., Ltd.), Huahong amaranth (purchased from Nanjing Jinxiang Seed Industry Co., Ltd.), a little red amaranth (purchased from Hangzhou Sanjiang Seed Industry Co., Ltd.) and big-leaf green amaranth (purchased from Zhejiang Wuwangnong Group), in the field Variety comparison test was carried out to compare its local adaptability, quality, yield and comprehensive traits. The popular local green amaranth variety with good quality, heat resistance and disease resistance was selected as the material, and the material was self-crossed. Purify and stabilize its basic genetic genes;
[0022] 2) Chemical mutagenesis of seedlings: Soak the purified round-leaf white oil green amaranth seeds in war...
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The invention relates to a creating method for elite seeds of three-coloured amaranth, belonging to the technical field of plant breeding and comprises the following steps: dipping stem tip growing points of three-coloured amaranth seedlings for 24 h by using 0.5 thousandth of colchicines in a reverse-dipping method under the temperature of 30 DEG C, transplanting the dipped seedlings to a selective nursery for cultivation; obtaining the first mutagenesis generation through sifting and cultivating induced plants, continuously separating four generations, and sifting to obtain the excellent induced plants. The method is used for cultivating excellent multiresistance new products of the three-coloured amaranth and new resources, can reduce 50-75 percent of the induction investment, further improve the vegetable induction rate, quicken the breeding speed, and has convenient operation, large inducted groups and high safety. Compared with the common product, the yield of the three-coloured amaranth is improved by about 25-33 percent, multiple properties such as the quality, the resistance, the disease resistance and the like are all obviously improved, therefore, the method has important popularization value, and can produce larger economic benefit and social benefit.
Description
1. Technical field [0001] The invention relates to an innovative method for an excellent germplasm of amaranth, belonging to the technical field of plant breeding. It is specially used for the chemical mutation breeding of amaranth, including the mutagenesis of new varieties or new materials of amaranth with excellent comprehensive properties such as high yield, high quality, stress resistance and disease resistance. 2. Background technology [0002] The leaves and seeds of amaranth are rich in Vc, protein and amino acids, with high nutritional value, and can be used as vegetables for food or feed. Due to its resistance to extensive management, strong stress resistance and high yield, the value of planting amaranth is considerable, and it is one of the important economic crops for farmers to increase production and income. In recent years, with the rapid development of social economy and the improvement of people's living standards, amaranth is increasingly favored by consu...
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Login to View More IPC IPC(8): A01H1/06A01H1/04A01H5/00A01H5/02A01H5/12
Inventor 胡春梅刘惠吉姜闯道王华侯喜林荆赞革张翠萍
Owner NANJING AGRICULTURAL UNIVERSITY