Using some different essential oils for improving silk production of mulberry silkworm, bombyx mori l.
El-Kholy, W., A. Ibrahim, I., G. Bassiony, H. (2020). Using some different essential oils for improving silk production of mulberry silkworm, bombyx mori l.. EKB Journal Management System, 47(2), 58-64. doi: 10.21608/mjb.2020.462398
Waffa, M. El-Kholy; Ibrahim, A. Ibrahim; Heba, G. Bassiony. "Using some different essential oils for improving silk production of mulberry silkworm, bombyx mori l.". EKB Journal Management System, 47, 2, 2020, 58-64. doi: 10.21608/mjb.2020.462398
El-Kholy, W., A. Ibrahim, I., G. Bassiony, H. (2020). 'Using some different essential oils for improving silk production of mulberry silkworm, bombyx mori l.', EKB Journal Management System, 47(2), pp. 58-64. doi: 10.21608/mjb.2020.462398
El-Kholy, W., A. Ibrahim, I., G. Bassiony, H. Using some different essential oils for improving silk production of mulberry silkworm, bombyx mori l.. EKB Journal Management System, 2020; 47(2): 58-64. doi: 10.21608/mjb.2020.462398

Using some different essential oils for improving silk production of mulberry silkworm, bombyx mori l.

Mansoura Journal of Biology
Volume 47, Issue 2, June 2020, Pages 58-64    PDF (822.8 K)
Document Type: Research Article
DOI: 10.21608/mjb.2020.462398
Authors
Waffa, M. El-Kholy* 1; Ibrahim, A. Ibrahim2; Heba, G. Bassiony2
1Zoology Department, Faculty of Science,Mansoura University, Egypt.
2Department of Sericulture Research, Plant Protection Research Institute, Agricultural Research Centre, Giza,Egypt
Abstract
The effect of some essential oils (basil, mint, olive, thyme and citronella) as food additives to mulberry leaves was evaluated during the last larval instar on silkworm biological parameters. Treatment of mulberry leaves with different concentrations (0.125, 0.25, 0.5 and 1%) of both commercial and crude basil oil extractions hadn’t showed positive effect on the most biological parameters except number of deposited eggs which was positively increased by33.2, 33.4 and 35.1% at concentrations of 0.125, 0.5 and 1% respectively. Commercial peppermint oil revealed insignificant increase in all treatments. While crude peppermint oil at 1% concentration conducted significant increase only in the mean weight of silk gland and number of deposited eggs. Olive oil recorded insignificance among all treatments in most of the biological parameters under study. While the number of deposited eggs increased significantly at 0.125 and 0.25% treatments. Insignificant result among all treatments of thyme oil comparing to control, except for silk gland and number of deposited eggs. Mature larval weight revealed insignificance in all treatments with citronella oil comparing to control with slight increase at 0.25 and 1% concentrations. While fresh cocoon, pupae and cocoon shell weights showed significant decrease in all treatments except on 0.5%. Silk gland recorded insignificant decrease at concentration of 0.25%. Numbers of deposited eggs were higher than control in all treatments with significant increase (46.4%) at 0.5%. 
Keywords
Bombyx mori; oils; sericulture
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