摘要
葡萄炭疽病已成为辽宁省葡萄生产上的重要病害。经对辽宁省主要葡萄产区24个葡萄炭疽菌株进行病原菌鉴定和采用生长速率法测定了葡萄炭疽菌对多菌灵的敏感性后,结果表明:引起辽宁省不同地区葡萄炭疽病的病原均为胶孢炭疽菌[Colletotrichum gloeosporioides(Penz.)Sacc.]。该病菌对多菌灵的敏感性测定值EC50的范围是0.2678~2.7312μg/mL,平均值1.1449μg/mL。根据计算出的供试菌株的抗性系数和敏感性频率分布图所示,大部分菌株的抗药性表现为中抗水平,仅有1个菌株抗性较高,而不同敏感性频率分布呈不规则的正态分布,存在敏感性下降的风险。
The grape anthracnose has become an important grape production disease in Liaoning. In the main grape--producing areas of Liaoning, 24 grape strains of anthrax pathogen were identified, and the growth rate method was used to determine the sensitivity of anthrax to carbendazim. The results showed that the grape anthracnose pathogen originating from different regions of Liaoning was Colletotrichum gloeosporioides (Penz.) Sacc. The sensitivity of the bacteria to carhendazim (EC50) ranged from 0. 267 8μg/mL to 2. 731 2μg/mL, averaged at 1. 144 9μg/mL. By calculating, most resistant strains showed resistance to a certain extent, but one strain of them showed higher resistance. The frequency distribution was irregular, and there was a trend to decreased sensitivity.
出处
《植物保护》
CAS
CSCD
北大核心
2009年第4期74-77,共4页
Plant Protection
基金
国家科技支撑计划(2006BAD07B02)
国家农业科技成果转化资金项目(2008GB2B000060)
关键词
葡萄炭疽病
病原鉴定
敏感性
grape anthracnose
pathogen identification
sensitivity