A kind of utilization method of British wheat germplasm

Abstract

The invention discloses a British wheat germplasm utilization method and belongs to the technical field of crop breeding. According to the British wheat germplasm utilization method, British wheat germplasm is sowed into a greenhouse in a staggered-period mode, domestic wheat germplasm is planted into a seed selection nursery according to normal sowing time, and hybridized combination is assembled to obtain hybrid seeds; the obtained hybrid seeds are sowed into the greenhouse in a staggered-period mode to perform second hybridization with the domestic germplasm planted into the seed selection nursery to obtain second-hybrid F1 generation seeds; and the F1 generation seeds are planted into the seed selection nursery to perform breeding. The method disclosed by the invention utilizes staggered-period sowing in the greenhouse to solve the problem that flowering phases of British wheat germplasm and domestic wheat germplasm are in asynchronism, utilizes hybridization and selection for many times, adjusts a breeding step and inducing, planting and harvesting methods and breeding environment in a breeding process, solves the problem that the British wheat germplasm is difficult to breed and use in domestic and solves the problems of maturing periods and plant heights of hybrid generations. When the method disclosed by the invention is utilized, a plurality of super-high-yield, multi-resistance and eurytopic type wheat new varieties (systems) are bred out.

Description

technical field [0001] The invention discloses a method for utilizing British wheat germplasm, belonging to the technical field of crop breeding. Background technique [0002] As the crop with the widest distribution, the largest planting area and the largest trade volume in the world, wheat has a much higher impact on global food security than other crops. About 40% of the world's people rely on wheat as a staple food. In my country, the area and output of wheat account for about 1 / 4 of the national grain crops, and it is one of the three major grain crops in my country. [0003] The current wheat breeding work is facing severe challenges, not only to continue to increase yield but also to improve quality, but also to improve water and fertilizer use efficiency and disease resistance. However, due to the shortage of parent materials available for breeding, the increase in genetic similarity of new varieties, and the limitations of traditional breeding methods, the difficul...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for utilizing British wheat germplasm to solve the problem that British wheat germplasm is difficult to breed and utilize in China