青海海东地区马铃薯晚疫病菌生理小种的组成及分布  

Composition and distribution of physiological race of Phytophthora infestans in the Haidong region of Qinghai province

作　　者：叶广继[1] 孙海宏[2] 周云[2] 杨永智[2] 王舰[2] 

机构地区：[1]青海大学教育部青藏高原生物技术重点实验室,西宁810016 [2]青海省农林科学院生物技术研究所,西宁810016

出　　处：《植物病理学报》2008年第5期553-556,共4页Acta Phytopathologica Sinica

基　　金：青海省科技厅项目(2004-N-137)

摘　　要：50 isolates of Phytophthora infestans potato plants were collected and tested with 11 monogene R1-R11 of potato late blight differential host in Qinghai province from 2006 to 2007.The results showed that there were 15 races in the Haidong Region of Qinghai province and the dominant race was race 3.4.10 with frequency of 36.0%.They were distributed in all collection areas.Race 3.10 with frequency of 16.0% was distributed in Huzu,Ledu,Huangyuan,Datong and Ping’an.Race 3 with frequency of 10.0% was distributed in Huzhu,Xunhua,Huangyuan and Xining.50 isolates of Phytophthora infestans potato plants were collected and tested with 11 monogene R1-R11 of potato late blight differential host in Qinghai province from 2006 to 2007.The results showed that there were 15 races in the Haidong Region of Qinghai province and the dominant race was race 3.4.10 with frequency of 36.0%.They were distributed in all collection areas.Race 3.10 with frequency of 16.0% was distributed in Huzu,Ledu,Huangyuan,Datong and Ping＇an.Race 3 with frequency of 10.0% was distributed in Huzhu,Xunhua,Huangyuan and Xining.

关 键 词：马铃薯晚疫病菌 病菌生理小种 海东地区 毁灭性病害 组成 青海 抗病品种 寄主专化型 

分 类 号：S435.32[农业科学—农业昆虫与害虫防治] S435.111.4[农业科学—植物保护]