%0 Journal Article
%T Monitoring of pollen-mediated gene flow from transgenic Bt cotton.<br>花粉介导的转Bt基因棉花田间基因流监测
%A WANG Chang-yong
%A LIU Yan
%A ZHOU Jun
%A CHEN Jian-qun
%A QIN Pei
%A <br>王长永
%A 刘燕
%A 周骏
%A 陈建群
%A 钦佩
%J 应用生态学报
%D 2007
%I 
%X By the methods of pollen grain dyeing and PCR analysis, this paper measured the distance and intensity of pollen dispersal, and determined the frequency of gene flow (FGF) of transgenic Bt cotton. The results showed that the frequency of pollen dispersal (FPD) among flowers was significantly higher on the same cotton plant than on different ones (P<0.01). The average FPD at a distance of 1 m from the dyed Bt cotton plot to its east, south, west and north was estimated to be 44.8%, 48.9%, 57.1% and 21.5%, respectively, and declined with increasing distance in the four directions. Within the range of 25 m, the distance and direction of pollen dispersal could affect FGF significantly (P<0.01), and FGF generally tended to decrease with increasing distance from the Bt cotton plot, with a frequency of 2.0% at the farthest distance of 25 m.
%K transgenic Bt cotton
%K gene flow
%K pollen dispersal
%K pollen grain dyeing
%K monitoring<br>转Bt基因棉花
%K 基因流
%K 花粉漂移
%K 花粉粒染色法
%K 监测
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=42FEDDFE54F8BCD9D5FD1926ABDD7722&aid=BB7775F20C08F7C4&yid=A732AF04DDA03BB3&vid=13553B2D12F347E8&iid=E158A972A605785F&sid=0018E43E61963A72&eid=EDAEFEDAC1DCCBA4&journal_id=1001-9332&journal_name=应用生态学报&referenced_num=0&reference_num=33