Improved quinoa hybridization method

Abstract

The invention belongs to the technical field of crop breeding and provides an improved quinoa hybridization method in order to solve the problems that current quinoa hybridization is difficult to emasculate and inaccurate in hybridization and the use range is not wide. The improved quinoa hybridization method is suitable for various environments, is simple and convenient to operate, capable of performing efficient hybridization with one female parent and multiple male parents simultaneously, and has great significance for accelerating quinoa crossbreeding. The method comprises steps as follows: pruning of a maternal plant; preparation of the maternal plant; emasculation; hybridization; harvesting. The method has no special requirements for the male parent and the female parent, and male parent and the female parent characters can be switched at any time. The method is simple to operate, has few demands for professional tools and is carried out under multiple conditions, and the application range is widened. The best emasculation period of quinoa is determined, emasculation is performed at the stage of flowering without pollination of bisexual flowers of quinoa, the operation is simple, the precision is high, hybridization with N male parents and one female parent can be performed simultaneously, N is larger than or equal to 1 and smaller than or equal to 5, and the crossbreeding efficiency is improved. The principle is simple, seeds obtained through strict operation are hybrid seeds, detection with molecular methods is not needed, and the breeding workload is reduced.

Description

technical field [0001] The invention belongs to the technical field of crop breeding, and in particular relates to an improved quinoa hybridization method. Background technique [0002] Quinoa is a plant of the family Amaranthaceae, which originated in the Andes Mountains of South America. It has been eaten and planted for 5,000-7,000 years. It has the characteristics of cold resistance, drought resistance, barren resistance, and salt and alkali resistance. and high altitude crops. Quinoa is a whole grain, whole nutrition, complete protein alkaline food, with a high-quality protein content as high as 16%-22%; it is rich in various amino acids. Because of its unique rich and comprehensive nutritional value, it nurtured the Incas, and the ancient Incas called it "the mother of food". Quinoa has small flowers and various inflorescences, including spikes, panicles, and corymbs. There are female flowers, hermaphroditic flowers, and male sterile flowers on the same quinoa plant,...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the current problems such as difficult quinoa hybridization and emasculation, inaccurate hybridization, and limited application range, the present invention provides an improved quinoa hybridization method, which is suitable for various environments, simple and convenient to operate, and can simultaneously carry out 1 female parent N Efficient hybridization technology of male parent hybridization is of great significance for accelerating quinoa hybrid breeding and genetic population research

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