阴山荠属和泡果荠属植物染色体数目及过氧化物酶同工酶的比较

阴山荠属和泡果荠属受试种类的染色体数目是：柔毛阴山荠（Ｙ．ｈｅｎｒｙｉ（Ｏｌｉｖ．）Ｙ．Ｈ．Ｚｈａｎｇ）２ｎ＝１２，叉毛阴山荠（Ｙ．ｆｕｒｃａｔｏｐｉｌｏｓａ（Ｋｕａｎ）Ｙ．Ｈ．Ｚｈａｎｇ）２ｎ＝１２，双牌泡果荠（Ｈ．ｓｈｕａｎｇｐａｉｅｎｓｉｓＺ．Ｙ．Ｌｉ）２ｎ＝４４，黟县泡果齐（Ｈ．ｙｉｃｉａｎｅｎｓｉｓＹ．Ｈ．Ｚｈａｎｇ）２ｎ＝４２，双牌泡果（Ｈ．ｐａｒｄｏｘａ（Ｈａｎｃｅ）Ｙ．Ｈ．Ｚｈａｎ

A comparison of chromosome numbers and peroxidase zymograms of Yinshania and Hilliella

he chromosome numbers and peroxidase zymograms of 5 species of 2 genera , Yinshania andHilliella,Cruciferae are reported. Their chromosome numbers are as follows : Y. hanryi(Oliv.)Y.H.Zhang, 2n = 12;Y. furcatopilosa (Kuan)Y.H.Zhang, 2n = 12;H. shuangpaiensis Z.Y. Li, 2n = 44;H.yixianensis Y.H. Zhang, 2n = 42;H. paradoxa(Hance)Y.H. Zhang et H.W. Li , 2n = 42. Now it is known that both Yinshania and Hiafora have same base chromosome numbers x=6,7,but Hilliella is polyploidy.The peroxidase zymograms shows that the re are generic si milari ties and specific variance among the species. The di ffrence of chromosome numbers and peroxidase zymograms with that of morphological charac ters and geographical distribution of t wo ge nera indicate that they are natural as an independent genus respectively.