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双低油菜种子品质劣化的原因主要是品种间杂交、生物学混杂、选择不严、性状分离及管理不当造成的;在种子生产过程中,选种圃、株行圃、原种圃要严格坚持高标准的田间预选和室内考种程序;采用先进栽培与管理技术,扩大原种繁殖系数,满足大面积生产用种。
The reason why the quality of canola seed is deteriorated is mainly the result of crossbreeds, mixed biology, poor selection, trait separation and improper management. During the process of seed production, the selection of nursery, plant nursery and original nursery should be strictly adhered to High standards of field pre-selection and indoor test program; the use of advanced cultivation and management techniques, expansion of breeding coefficient of the original species to meet the large-scale production of species.