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Provedor de dados:  OAK
País:  Japan
Título:  Pathogenicity and its mode of action in different sedentary stages of Heterodera glycines (Tylenchida: Heteroderidae) by Verticillium lecanii hybrid strains
Autores:  SHINYA, Ryoji
KUSHIDA, Atsuhiko
TANI, Masayuki
KURAMOCHI, Katsuhisa
KOIKE, Masanori
相内, 大吾
谷, 昌幸
倉持, 勝久
小池, 正徳
Data:  2008
Ano:  2008
Palavras-chave:  Soybean cyst nematode
Protoplast fusion
Egg laying
Biological control
Resumo:  The current study was conducted to investigate the pathogenicity and its mode of action by Verticillium lecanii hybrid strains in different sedentary stages of Heterodera glycines. Three different sedentary stages (pale yellow female, yellow brown cyst, and dark brown cyst) of H. glycines were treated with V. lecanii and incubated for 3 weeks on water agar. After 3 weeks of incubation, eggs were investigated for the following parameters: (i) the infection frequencies of eggs, (ii) the number of eggs laid, and (iii) the number of mature and healthy eggs. Subsequently, the fecundity of H. glycines treated with V. lecanii was investigated in greater detail. Consequently, some strains had a greater ability to infect eggs and this significantly reduced the number of eggs laid and mature eggs in pale yellow females. This study indicates that V. lecanii is more effective on females rather than cysts of H. glycines and that V. lecanii may act on H. glycines in multiple ways.
Idioma:  Inglês
Editor:  日本応用動物昆虫学会
Formato:  application/pdf
Direitos:  日本応用動物昆虫学会

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