Staff Members - Benha University
Laboratory Studies on the Efficacy of Olea europaea Plant Extract and Gamma Irradiation on Larvae of Galleria mellonella (Lepidoptera: Pyralidae)
• 2019
Publication Information
Authors
El-Shewy, A.M, Amany, R. Morsy and Elgizawy, K.KH
Keywords
Plant extract, Olea
europaea, Gamma
irradiation, Galleria
mellonella, larval
mortality,
Biological aspects
Journal
Not Available
Publisher
Not Available
Volume
Not Available
Issue
Not Available
Pages
Not Available
publication.type
Local
Paper Link
Not Available
Supplementary Materials
Not Available
Abstract
The present investigation was undertaken to study the
effectiveness of Olea europaea leaves extract and gamma
irradiation against the greater wax moth, Galleria mellonella larvae.
Acetone Olea europaea leaves extract was prepared at (2, 1, 0.5,
0.25and 0.125%) to be examined for their efficacy against the 4th
instar larvae. The effects of 5 different doses of gamma irradiation
(50, 100, 150, 200 and 250 GY) was also assayed on the biology of
greater wax moth, G. mellonella. Results revealed that larval
mortality of G. mellonella reached (8.2%) and (57.3%) after1&10
days from treatment, with the lowest concentration of 0.125%.
While, the highest concentration 2 % caused (31.0%) and (100 %)
larval mortality after1&10 days post-treatment for plant extract. All
doses of gamma irradiation prolonged the larval period and reduced
both pupation and percentage of adult emergence. The number of
eggs laid was decreased by increasing the irradiation doses at all
treatments. The insects failed to lay any eggs especially, in the
treatments (treated male × treated female) and (normal male ×
treated female) with doses 200 and 250 GY, respectively.
effectiveness of Olea europaea leaves extract and gamma
irradiation against the greater wax moth, Galleria mellonella larvae.
Acetone Olea europaea leaves extract was prepared at (2, 1, 0.5,
0.25and 0.125%) to be examined for their efficacy against the 4th
instar larvae. The effects of 5 different doses of gamma irradiation
(50, 100, 150, 200 and 250 GY) was also assayed on the biology of
greater wax moth, G. mellonella. Results revealed that larval
mortality of G. mellonella reached (8.2%) and (57.3%) after1&10
days from treatment, with the lowest concentration of 0.125%.
While, the highest concentration 2 % caused (31.0%) and (100 %)
larval mortality after1&10 days post-treatment for plant extract. All
doses of gamma irradiation prolonged the larval period and reduced
both pupation and percentage of adult emergence. The number of
eggs laid was decreased by increasing the irradiation doses at all
treatments. The insects failed to lay any eggs especially, in the
treatments (treated male × treated female) and (normal male ×
treated female) with doses 200 and 250 GY, respectively.