| 不同寄主植物上烟蚜的染色体组型研究 |
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| 引用本文： | 杨效文,张素方,张孝羲.不同寄主植物上烟蚜的染色体组型研究[J].应用与环境生物学报,2000,6(1):56-60. |
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| 作者姓名： | 杨效文 张素方 张孝羲 |
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| 作者单位： | 1. 南京农业大学植保系,南京,210095
2. 河南农业大学生物工程学院,郑州,450002 |
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| 基金项目： | 国家自然科学基金资助项目!(No.396 70 493) |
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| 摘 要： | 对采自桃树、油菜和烟草上的烟蚜的核型研究表明：在红、黄绿两种体色的烟蚜中发现５种核型，即２ｎ＝１２，正常；２ｎ＝１２，Ａ１与Ａ３易位；２ｎ＝１１；２ｎ＝１３；３ｎ＝１８，Ａ１与Ａ３易位。同时，在核型为２ｎ＝２３的烟蚜中，体色为红色的个体全为Ａ１与Ａ３易位个体，体色为绿色的个体中既有Ａ１与Ａ３易位个体，又有正常个体。寄主植物不同的烟蚜的各条染色体相对长度在２ｎ＝１２核型中差异不显著（α＝０．０５）。
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| 关 键 词： | 烟蚜 染色体组型 染色体易位 寄主植物 |
KARYOTYPES OF GREEN PEACH APHIDS FROM DIFFERENT HOST PLANTS |
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| YANG Xiaowen,Zhang Sufang,Zhang Xiaoxi.KARYOTYPES OF GREEN PEACH APHIDS FROM DIFFERENT HOST PLANTS[J].Chinese Journal of Applied and Environmental Biology,2000,6(1):56-60. |
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| Authors: | YANG Xiaowen Zhang Sufang Zhang Xiaoxi |
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| Abstract: | Five karyotypes were found in natural populations of green peach aphids, Myzus persicae (Sulzer) from peach, rape and tobacco, i.e., normal karyotype 2 n =12 (NK), 2 n =12 with autosome 1 and 3 translocation (T 1-3 ), 2 n =13, 2 n =11 and 3 n =18 (autosomal 1 and 3 translocation). In 2 n =12, all the red forms of the aphids have translocations of autosomal 1 and 3, but the yellowish-green forms contain autosomal 1 and 3 translocated individuals as well as normal karyotype ones. There are no significant differences in the relative length of chromosome of the aphids with 2 n =12 karyotype from the three host plants above. Fig 1, Tab 4, Ref 19 |
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| Keywords: | Myzus persicae karyotype chromosome translocation |
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