T/YLNK 27-2020 Active Group standards

T/YLNK 27-2020 "Yangling Agricultural Science" seed industry, rape, Qinyou 1618, Hybrid Seed Production Technical Regulations

Publish Date: 2020-10-21 Implement Date: 2021-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/YLNK 27-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Seeds and breeding

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2020-10-21

Implement Date: 2021-01-01

Scope

Main technical content: This document specifies the terms and definitions for field seed production of the hybrid rapeseed variety "Qinyou 1618" of the "Yangling Agricultural Science" seed industry brand, including site environment, farming management, impurity removal, inducing female sterility in the parent plant, regulating the flowering period of the parent plants, assisted pollination, removing the male parent, seed harvesting, drying, and storage. This document is applicable to field seed production of the hybrid rapeseed variety "Qinyou 1618" of the "Yangling Agricultural Science" seed industry brand. 4.1 The selection of seed production bases should be in areas with a minimum winter temperature of not less than -13 ℃. The terrain should be regular, with flat land and convenient irrigation and drainage. The microclimate environment should have relatively low relative humidity, with the plots facing the sun, having medium to high fertility, and not having been planted with rapeseed or cruciferous crops in the past 2-3 years. The site environment should comply with the provisions of NY/T 846. 5.1.2 For seedling transplantation, sufficient space should be reserved for seedbeds. The seedbeds should be fertile. Generally, the ratio of the mother plant seedbed to the field is 1:5–1:10; the ratio of the father plant seedbed to the field is 1:10–1:15. Moreover, thorough cultivation and drainage should be carried out to prevent mold growth.