[1]刘铜,侯巨梅,左豫虎.大豆疫霉对甲霜灵敏感性的遗传与变异[J].大豆科学,2009,28(02):349-351.[doi:10.11861/j.issn.1000-9841.2009.02.0349]
　LIU Tong,HOU Ju-mei,ZUO Yu-hu.Inheritance and Variation of Sensitivity to Metalaxyl in Phytophthora Sojae[J].Soybean Science,2009,28(02):349-351.[doi:10.11861/j.issn.1000-9841.2009.02.0349]
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大豆疫霉对甲霜灵敏感性的遗传与变异

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第28卷 期数: 2009年02期 页码: 349-351 栏目: 出版日期: 2009-04-25
Title:
Inheritance and Variation of Sensitivity to Metalaxyl in Phytophthora Sojae
文章编号:
1000-9841(2009)02-0349-03
作者:
刘铜1; 侯巨梅2; 左豫虎3
1西北农林科技大学植物保护学院，陕西 杨凌 712100；
2景德镇高等专科学校生物与化学工程系，江西 景德镇 333000；
3黑龙江八一农垦大学植物科技学院，黑龙江 大庆 163319
Author(s):
LIU Tong1; HOU Ju-mei2; ZUO Yu-hu3
1College of Plant Protection，Northwest A&F University，Yangling 712100，Shaanxi；
2Department of Biology and Chemical Engineering，Jingdezhen Comprehensive College,Jingdezhen 333000，Jiangxi；
3College of Plant Science and Technology，Heilongjiang August First Land Reclamation University，Daqing 163319，Heilongjiang，China
关键词:
大豆疫霉; 甲霜灵; 敏感性
Keywords:
Phytophthora sojae; Metalaxyl; Sensitivity
分类号:
S43
DOI:
10.11861/j.issn.1000-9841.2009.02.0349
文献标志码:
A
摘要:
通过平板法，在含甲霜灵1.0 μgmL-1的CAM平板上测定了分离于不同地区的5个大豆疫霉菌和以Ps411-4为亲本的无性后代、有性后代对甲霜灵敏感性的遗传。结果表明：分离自不同地域的菌株对甲霜灵的敏感性存在差异，供试菌株对甲霜灵的敏感性在无性单孢后代无显著变异，而在50个自交有性后代中，上述浓度对其菌丝生长的抑制率分布范围为 70.2%～96.8％，与亲本有极显著差异，其中5株高于亲本，4株低于亲本，41株与亲本相似。表明大豆疫霉对甲霜灵的敏感性同样在无性后代稳定遗传而在有性后代发生变异。结果提示，供试大豆疫霉菌株中上述性状可能由细胞核杂合基因控制。
Abstract:
This paper was to investigate the inheritance and variation of sensitivity to metalaxyl in Phytophthora sojae.Five Phytophthora sojae strains of Ps411，Ps126，Ps223，Hs6，PsSD isolated from different regions and asexual and sexual progenies of Ps411-4 were used and their sensitivity to metalaxyl was evaluated by the ratio of the growth rates on carrot agar medium amended with 1.0 μgmL-1metalaxyl to the growth rates on the same medium without metalaxyl.The sensitivity of P．sojae to metalaxyl varied with their origins.The sensitivity of P．sojae to metalaxyl also steadily inherited in three successive zoospore progenies but showed obvious variation in first generation．In 50 single-oospore descendants，the restraint rate of metalaxyl to hypha ranged 70.2%~96.8%，with 5 higher，4 lower，and 41 similar to parent.Results indicate the sensitivity of P．sojae to metalaxyl inherited steadily in zoospor progenies while varied obviously in single-oospore generation，and the character of P．sojae could be controlled by nuclear heterozygous genes．

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备注/Memo

基金项目：国家重点基础研究发展计划（973计划）资助项目（2002CD111406）；长江学者和创新团队发展计划资助项目(200558)；黑龙江省自然科学基金资助项目(TC2005-08)。?

作者简介：刘铜（1978-），男，硕士，研究方向为分子植物病理学。E-mail:liutongamy@sina.com。

更新日期/Last Update: 2014-10-04