Study on β-exotoxin (thurigiensin) effect on biology and growth parameters of Tetranychus urticae koch (acari : tetranychidae) on common bean
Joint Authors
Shushtari, Rida Vafaei
Najafabadi, Sayyid Said Mudarris
Zamani, Abbas Ali
Source
Publisher
Publication Date
2011-12-31
Country of Publication
Iraq
No. of Pages
6
Main Subjects
English Abstract
The direct toxicity of β-exotoxin (thurigiensin) of Bacillus thuringiensis Berliner on different stages (reproduction and population development) of Tetranychus urticae Koch were evaluated in laboratory conditions.
Immature stages of T.
urticae were more susceptible to thuringiensin than adults.
Fecundity of T.
urticae was significantly reduced when females were exposed to residues for 3 days.
At the LC50, larvae and protonymphs were significantly more susceptible to thuringiensin than deutonymphs and adults.
Thuringiensin not effect on egg stage.
The LC50 on larvae, protonymphs, deutonymphs and adults was 148, 176.6, 293.4 and 318.5 ppm respectively.
The daily eggs laid exhibited significant differences among six concentrations of β-exotoxin (thuringiensin) and non-significant difference in the percentage of eggs hatching for all concentrations.
The maximum reduction of fecundity for T.
urticae was 75% (in 500 ppm).
Data Type
Conference Papers
Record ID
BIM-333257
American Psychological Association (APA)
Shushtari, Rida Vafaei& Najafabadi, Sayyid Said Mudarris& Zamani, Abbas Ali. 2011-12-31. Study on β-exotoxin (thurigiensin) effect on biology and growth parameters of Tetranychus urticae koch (acari : tetranychidae) on common bean. International Iran and Iraq Conference on Agriculture and Natural Resources (1st : 2011 : Babylon, Iraq). . Vol. 3 (2011), pp.141-146.بابل، العراق : جامعة بابل، كلية الزراعة (سابقا) / جامعة القاسم الخضراء، كلية الزراعة (حاليا)،.
https://search.emarefa.net/detail/BIM-333257
Modern Language Association (MLA)
Shushtari, Rida Vafaei…[et al.]. Study on β-exotoxin (thurigiensin) effect on biology and growth parameters of Tetranychus urticae koch (acari : tetranychidae) on common bean. . بابل، العراق : جامعة بابل، كلية الزراعة (سابقا) / جامعة القاسم الخضراء، كلية الزراعة (حاليا)،. 2011-12-31.
https://search.emarefa.net/detail/BIM-333257
American Medical Association (AMA)
Shushtari, Rida Vafaei& Najafabadi, Sayyid Said Mudarris& Zamani, Abbas Ali. Study on β-exotoxin (thurigiensin) effect on biology and growth parameters of Tetranychus urticae koch (acari : tetranychidae) on common bean. . International Iran and Iraq Conference on Agriculture and Natural Resources (1st : 2011 : Babylon, Iraq).
https://search.emarefa.net/detail/BIM-333257
