NY/T 791-2004

Seed production companies and agricultural extension personnel use this standard to regulate the multiplication of parent seeds and hybrid seed production for double low hybrid rapeseed. It ensures consistency and reliability of seed quality, which is critical for improving rapeseed yield and quality. This standard supports the industrial application of low erucic acid and low glucosinolate rapeseed varieties.

种子生产企业和农业技术推广人员使用这个标准来规范双低杂交油菜的亲本种子繁育和杂交制种过程。它确保了种子质量的一致性和可靠性，对于提高油菜产量和品质至关重要。该标准有助于推动低芥酸、低硫苷油菜品种的产业化应用。

This standard specifies technical methods and procedures for parent seed multiplication and hybrid seed production of Brassica napus double low hybrid rapeseed, applicable to F1 hybrids and their parent seeds. It references several national and industry standards including seed testing procedures and oil crop seed standards. The terminology section defines key concepts such as double low rapeseed, breeder seed, basic seed, certified seed, hybrid, and three-line system. This standard provides unified technical specifications for double low hybrid rapeseed seed production, helping to ensure seed quality and promote industrial development.

本标准规定了甘蓝型双低杂交油菜亲本种子繁育及杂交制种的技术方法和程序，适用于F1杂交种及其亲本种子。标准引用了多项国家和行业标准，包括种子检验规程、油料作物种子标准等。术语部分定义了双低油菜、育种家种子、原种、大田用种、杂交种和三系等关键概念。该标准为双低杂交油菜种子生产提供了统一的技术规范，有助于保证种子质量和促进产业发展。