Efficient isolation and purification method for Chenopodium quinoa

Abstract

The invention belongs to the technical field of crop breeding, and provides an isolation and purification method for Chenopodium quinoa, and aims at solving the problems that Chenopodium quinoa growsmildew easily, the grains are not full and the Chenopodium quinoa is sterile at high temperature. A nonwoven fabric material is made into an isolation bag with a closed bottom, an opening at the upperend of the isolation bag is provided with a contraction rope, and two sides of the isolation bag are provided with cellophane observation windows; during the florescence of Chenopodium quinoa, branches and leaves were removed from top to bottom, and 2-3 cm of a trunk is exposed; the top end is sleeved with the isolation bag; after the top end is sleeved for 15-20 days, main ears fully fill the bag, the isolation bag is removed, pruning is performed downwards from the top end to remove branches and leaves and expose 2-3 cm of the trunk, secondary sleeving is performed; after the bag is changed, the bag is removed according to the flowering period, the single plant with the main ears sleeved are harvested in the mature period. The structure and method have no influence on the grain fullnessand the yield of Chenopodium quinoa, and can meet the requirements of subsequent research on the seed quantity. The problems that the inflorescences easily grow mildew during isolation and purification sleeving so that the seed setting amount is low, the grains are not full and sterility is caused due to the high temperature are solved.

Description

technical field [0001] The invention belongs to the technical field of crop breeding, and in particular relates to a quinoa isolation and purification method. Background technique [0002] The origin of quinoa is the Andes Mountains in South America. It was introduced in my country in the 1980s and has been planted on a large scale since 2012. As of 2019, the planting area in my country has exceeded 100,000 mu. With the rapid development of quinoa in China, quinoa The problem of mixed seed resources and low seed purity is gradually exposed. Many domestic scientific research institutes and quinoa companies have also carried out research on quinoa breeding. The premise of quinoa breeding is to obtain homozygous quinoa inbred lines, so Isolation and purification of quinoa is the top priority of breeding work. At present, most units are carrying out the isolation and purification of quinoa, and most of them refer to the bagging and purification methods of other crops, such as cel...

AI Technical Summary

Problems solved by technology

At present, most units are carrying out the isolation and purification of quinoa, and most of them refer to the bagging and purification methods of other crops, such as cellophane bags and kraft paper bags, but the efficiency is relatively low, and the amount of seeds and plumpness are very low. , cannot meet the needs of follow-up research and breeding, which is restricted by the biological characteristics of quinoa itself. Quinoa has unlimited inflorescences and a long flowering cycle, and the flowering period is from July to August. Bags can easily cause mold and sterility caused by high temperature

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