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Acute, sublethal, and combination effects of azadirachtin and Bacillus thuringiensis on the cotton bollworm, Helicoverpa armigera.

Abedi Z, Saber M, Vojoudi S, Mahdavi V, Parsaeyan E - J. Insect Sci. (2014)

Bottom Line: The results of the sublethal study showed that the application of LC30 value of azadirachtin and Bt reduced the larval and pupal weight and increased larval and pupal duration of H. armigera.The longevity and fecundity of female adults were affected significantly by the insecticides.Female fecundity was reduced by the treatments, respectively.

View Article: PubMed Central - PubMed

Affiliation: Department of Plant Protection, College of Agriculture, University of Maragheh, Maragheh, 55181-83111, Iran za.abedi88@yahoo.com.

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Post-exposure effects of azadirachtin and Bt on the pupation and adult emergence of Helicoverpa armigera. Data marked with different letters differ significantly (P ≤ 0.05) based on the least significant difference multiple comparison test. High quality figures are available online.
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f02_01: Post-exposure effects of azadirachtin and Bt on the pupation and adult emergence of Helicoverpa armigera. Data marked with different letters differ significantly (P ≤ 0.05) based on the least significant difference multiple comparison test. High quality figures are available online.

Mentions: The effects of azadirachtin and Bt on pupation and emergence rate of H. armigera are shown in Figure 2. The pupation ratio was 92.4, 71.6, and 65.8% for the control, Bt, and azadirachtin, respectively. There was significant reduction in treatments compared with the control. The adult emergence ratio was not affected significantly by Bt. Higher oviposition rates were observed in the third and fourth days after adult emergence in all treatments (Figure 3).


Acute, sublethal, and combination effects of azadirachtin and Bacillus thuringiensis on the cotton bollworm, Helicoverpa armigera.

Abedi Z, Saber M, Vojoudi S, Mahdavi V, Parsaeyan E - J. Insect Sci. (2014)

Post-exposure effects of azadirachtin and Bt on the pupation and adult emergence of Helicoverpa armigera. Data marked with different letters differ significantly (P ≤ 0.05) based on the least significant difference multiple comparison test. High quality figures are available online.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4206242&req=5

f02_01: Post-exposure effects of azadirachtin and Bt on the pupation and adult emergence of Helicoverpa armigera. Data marked with different letters differ significantly (P ≤ 0.05) based on the least significant difference multiple comparison test. High quality figures are available online.
Mentions: The effects of azadirachtin and Bt on pupation and emergence rate of H. armigera are shown in Figure 2. The pupation ratio was 92.4, 71.6, and 65.8% for the control, Bt, and azadirachtin, respectively. There was significant reduction in treatments compared with the control. The adult emergence ratio was not affected significantly by Bt. Higher oviposition rates were observed in the third and fourth days after adult emergence in all treatments (Figure 3).

Bottom Line: The results of the sublethal study showed that the application of LC30 value of azadirachtin and Bt reduced the larval and pupal weight and increased larval and pupal duration of H. armigera.The longevity and fecundity of female adults were affected significantly by the insecticides.Female fecundity was reduced by the treatments, respectively.

View Article: PubMed Central - PubMed

Affiliation: Department of Plant Protection, College of Agriculture, University of Maragheh, Maragheh, 55181-83111, Iran za.abedi88@yahoo.com.

Show MeSH
Related in: MedlinePlus