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一、引言芸苔属植物中,有许多种是栽培的蔬菜作物,它们品种繁多,种植面广,在蔬菜生产中占有重要地位。本属各品种及变种甚至种之间,种子形状酷似,且种子细小,肉眼不易观察识别,以致在种子收购、贮藏、贸易和使用等过程中,时常发生种子混淆和品种误用的现
I. INTRODUCTION Among Brassica, there are many kinds of cultivated vegetable crops, which have a wide range of varieties and large planting areas and occupy an important position in vegetable production. This species is among varieties and varieties even species resembles the shape of the seed, and the seed is small, the naked eye is not easy to observe and identify, so that in the process of seed acquisition, storage, trade and use, often confusion and species misuse now