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of the three main types of rape. The name Brassia campestris L. It includes chinese-origin pickles and rapeseeds. China is also known as cabbage, short rape, beet and so on. The chromosome group is aa, n-10.cabbage-type rape strain is smaller. General spring varieties of seedlings upright, winter varieties of plant-type slugs, semi-winter varieties between the two. The main root is more developed or underdeveloped, and the fine root is medium or developed. The northern cabbage B.campestris L. base leaf, native to northwest China, has a distinct leaf handle with a piano-like cut; the southern rape cabbage B.campestris var.chinensis Mak. Small rape in the north is weak in branching and has few branches. Southern rape cabbage branching is strong, branching parts are low, some from the ground on the branching, a clump type. Stem
are
soft, woody, easy to fall, less resistant to diseases and insects. The flower color is pale yellow to deep yellow, the petal oval, the flower sequence in the middle of the bud is lower than the open flower. When flowering, male flower medicine generally cracks outwards, self-indesocision is not affinity strong, hetero-strong rate is high, generally 80-90%. The local varieties of the Qinghai-Tibet Plateau in China can weigh up to 6-7g. Skin dark brown, red-brown or yellow, no spicy taste. Seed oil content is generally 30-40%, from China's Qinghai-Tibet Plateau up to more than 50%.
