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不同菌株绿僵菌对粒肩天牛幼虫的致病力及林间防治效果(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年01期
Page:
78-82
Column:
研究论文
publishdate:
2013-01-15

Article Info:/Info

Title:
Control efficiency and pathogenicity in different strains of Metarhizium anisopliae on Apriona germari Hope larvae
Author(s):
CHEN Delan
Wuyishan City Forestry Bureau,Wuyishan 354300,China
Keywords:
Metarhizium anisopliae Apriona germari Hope pathogenicity control poplar
Classification number :
Q965.8; S763.3
DOI:
10.3969/j.issn.1000-2006.2013.01.013
Document Code:
A
Abstract:
Apriona germari Hope is a main insect pest of poplar in Fujian province. In order to screen high virulence strains from Metarhizium anisopliae against A. germari larvae, bioassays from seven strains of M. anisopliae were carried out through dipping in spore suspension. The results showed that the cumulative corrected mortality of A. germari larvae inoculated with Ma1291-2 and Ma1775 strains reached to 89.47% and 88.92% after 14 d treatment. While LT50 value of the two strains were 5.62 d and 5.82 d, and LC50 value were 1.70×104spore/mL and 6.16×104spore/mL, respectively. It could be concluded that Ma1291-2 and Ma1775 had higher virulence than the other strains,with rapid growth and high sporulation. A separate field bioassay suggested that Ma1291-2 and Ma1775 could be used to control A. germari larvae, with 1.5×108 spore/mL.

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Last Update: 2013-01-15