Abstract
The study was conducted in the laboratories of the college of agriculture/Tikrit University to study the effect of various concentrations of the insect growth regulator Match and the three plant extracts, F. foetida, A. vera, and C. myrrha, on some biological aspects of Callosobruchus maculatus. The study results showed that using 0.7 ml has affected the incubation period from 5.55 days in control treatment to 7.77 days when the seeds are dipped before the eggs were laid on them. Moreover, using 7.0 gm of A. vera led to increase the incubation period of the eggs to 7.33 days when the seeds of Vigna sativum were dipped after laying the eggs on them as compared to the control treatment that was 5.66 days. The insect growth regulator Match and other plant extracts have a significant effect in decreasing the average larval stage, it reached 12.88 days when the seeds were dipped after laying the eggs on them with the insect growth regulator Match with a concentration of 0.7 ml and 14.10 days when using the F. foetida extract with a concentration of 0.7 ml as compared to the control treatment that was 17.33 days. Furthermore, the three plant extracts and the insect growth regulator Match have significantly affected the average virgin stage that was 7.66 days longer when the seeds were dipped in the F. foetida extract with a concentration of 7.0 ml before laying the eggs as compared to the control treatment that was 6.33 days.
INFLUENCE OF SOME PLANT EXTRACTS ON CERTAIN BIOLOGICAL ASPECTS OF SESAMIA CRETICA LED. UNDER LABORATORY CONDITIONS
