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东北地区小麦族11种植物的核型报道

孙义凯,赵毓棠,董玉琛,周荣华,许树军   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1992-08-10 发布日期:1992-08-10

Karyotypes of Eleven Species of Triticeae in Northeast China

Sun Yi-Kai, Zhao Yu-Tang, Dong Yu-Chen, Zhou Rong-Hua, Xu Shu-Jun   

  • Received:1900-01-01 Revised:1900-01-01 Online:1992-08-10 Published:1992-08-10

摘要:

本文对中国东北地区小麦族11种植物的核型进行了研究。  结果如下:冰草2n=4x=28=20m
 +8sm;偃麦草2n=6x=42=34m(2SAT)+8sm;短芒大麦草2n=4x=28=20m+8sm(4SAT);吉林
 鹅观草2n=4x=28=20m+8sm(4SAT);大芒鹅观草2n=4x=28=20m(2SAT)+8sm(2SAT);老芒
 麦2n=4x=28=20m+8sm(4SAT);  披碱草2n=6x=42=32m+10sm(6SAT);  肥披碱草
 2n=6x=42=32m+10sm(6SAT);羊草2n=4x=28=20m(4SAT)+8sm;纤毛鹅观草2n=4x=28=
 22m(2SAT)+6sm(2SAT);鹅观草2n=6x=42=30m+12sm(4SAT);其中前5种的核型为首次报道。

关键词: 中国东北, 小麦族, 核型

Abstract:

In  this  paper the karyotypes of eleven  species  of  Triticeae  from
Northeast China are reported. The karyotype formulae are as follows: Agropyron
cristatum,  2n=4x=28=20m+8sm;  Elytrigia repens,  2n=6x=42=34m(2SAT)
+ 8sm;  Hordeum  brevisubulatum,  2n = 4x = 28 = 20m + 8sm( 4SAT );  Roegneria
nakaii,  2n = 4x = 28 = 20m + 8sm( 4SAT );  R.  turczaninovii  var.   macrathera,
2n = 4x = 28 = 20m(2SAT ) + 8sm(2SAT ); Elymus sibiricus, 2n = 4x = 28 = 20m + 8sm
( 4SAT);  E.  dahuricus,  2n=6x=42=32m+10sm( 6SAT);  E.  excelsus,
2n=6x=42=32m+10sm( 6SAT); Leymus chinensis,  2n=4x=28=20m(4SAT)
+ 8sm; Roegneria ciliaris, 2n = 4x = 28 = 22m( 2SAT ) + 6sm( 2SAT ); R. kamoji,
2n= 6x = 42= 30m+ 12sm(4SAT). The karyotypes of the first five species are re-
ported for the first time.

Key words: Northeast China, Triticeae, karyotype