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当前位置: 首页 > 文章 > 感染萧氏松茎象的金龟子绿僵菌菌株的初步筛选 林业科学 2010,46 (1) 169-174
Position: Home > Articles > Preliminary Screen of Virulent Strains of Metarhizium anisopliae against Hylobitelus xiaoi Scientia Silvae Sinicae 2010,46 (1) 169-174

感染萧氏松茎象的金龟子绿僵菌菌株的初步筛选

作  者：
童应华;陈顺立;林强
单  位：
福建农林大学林学院;福建省森林病虫害防治检疫总站
关键词：
萧氏松茎象;金龟子绿僵菌;致病力;菌株筛选
摘  要：
A total of 12 strains of Metarhizium anisopliae Sorokin were tested for pathogenicity to Hylobitelus xiaoi,and a superior strain was used to infect trials in a forest.The results indicated that the strain Ma1291-2 had strong pathogenicity to H.xiaoi after treatment for 30 d by dipping inoculation with (1.5±0.5)×108 conidia·mL-1.The correct mortality,the muscardine cadaver rate and the conidia content individual of H.xiaoi were respectively 70.59%,70.81% and (1.90±0.34)×108 conidia individual,and the quickest median lethal times (LT_ 50 ) were 13.89 d.The median lethal concentration (LC_ 50 ) was 1.135 3 ×106 conidia·mL-1.By infecting trials to H.xiaoi in a forest with the strain Ma1291-2,mortality of the treatment was extremely significant higher than the control,the correct mortality,the muscardine cadaver rate and the conidia content individual of H.xiaoi were 57.85%±1.19%,55.43%±2.90% and (1.12±0.41)×108 conidia individual after 30 d,respectively,and the median lethal times (LT_ 50 ) was 16.56 d.The results suggest that the strain of Ma1291-2 has great application value.
译  名：
Preliminary Screen of Virulent Strains of Metarhizium anisopliae against Hylobitelus xiaoi
作  者：
Tong Yinghua1 Chen Shunli 1 Lin Qiang2(1.College of Forestry,Fujian Agriculture and Forestry University Fuzhou 350002; 2.General Station of Forest Disease and Pest Control and Quarantine of Fujian Province Fuzhou 350003)
关键词：
Hylobitelus xiaoi;Metarhizium anisopliae;pathogenicity;strain screening
摘  要：
A total of 12 strains of Metarhizium anisopliae Sorokin were tested for pathogenicity to Hylobitelus xiaoi,and a superior strain was used to infect trials in a forest.The results indicated that the strain Ma1291-2 had strong pathogenicity to H.xiaoi after treatment for 30 d by dipping inoculation with (1.5±0.5)×108 conidia·mL-1.The correct mortality,the muscardine cadaver rate and the conidia content individual of H.xiaoi were respectively 70.59%,70.81% and (1.90±0.34)×108 conidia individual,and the quickest median lethal times (LT_ 50 ) were 13.89 d.The median lethal concentration (LC_ 50 ) was 1.135 3 ×106 conidia·mL-1.By infecting trials to H.xiaoi in a forest with the strain Ma1291-2,mortality of the treatment was extremely significant higher than the control,the correct mortality,the muscardine cadaver rate and the conidia content individual of H.xiaoi were 57.85%±1.19%,55.43%±2.90% and (1.12±0.41)×108 conidia individual after 30 d,respectively,and the median lethal times (LT_ 50 ) was 16.56 d.The results suggest that the strain of Ma1291-2 has great application value.

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