【摘要】 本文研究了伊犁野油菜的植物学形态,其茎、叶、花、角果和种子,与前人对黑芥的描述一致,n=82n=16,异花传粉,自交不结实,确认伊犁野油菜为黑芥[Brassica nigra(L.)koch]。 根据B.nigra与B.campestris在我国的存在,进一步表明了B.juncea(L.)Czern＆Coss可能直接起源于我国。更多还原

【Abstract】 The morphological characters of stem, leaves, flowers, siliques and seeds of Hi wild black mustard have been studied. They are just alike that of original description of Brassica nigra (L.) Koch. The results of cytogenetic survey shows n = 8, 2n=16, self-incompatibility. The authors affirmed that the Hi wild black mu-tard is Brassica nigra (L.) Koch.Authors considered that the synthetic amphidiploid B. juncca (L.) Czern & Coas may originated in China, because the basic species. B. nigra and B. campe-stris are presented.更多还原