EFFECT OF ZINGIBER OFFICINALE ON MORTALITY PERCENTAGE AND COCOON SHELL RATIO OF THE SILKWORM, BOMBYX MORI L. | ||||
| Fayoum Journal of Agricultural Research and Development | ||||
| Article 9, Volume 31, Issue 1, January 2017, Page 120-123 PDF (374.97 K) | ||||
| Document Type: Research articles. | ||||
| DOI: 10.21608/fjard.2017.191234 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| Nagat Hamed Soliman | ||||
| Plant Protection Department, Faculty of Agriculture, El Fayoum University, Egypt. | ||||
| Abstract | ||||
| The effect of Zingiber officinale was studied on mortality percentages and cocoon shell ratio of silkworm, Bombyx mori during spring season of 2015 at Plant Protec. Dept. Fac. of Agric., El Fayoum Univ. The powder of Z. officinale was dissolved in distilled water to prepare different concentrations (10, 20, 30, 40 and 50 mg/ml.). In the present study, results showed that, the concentration 20 mg/ml. of Z. officinale occupied the first category to reduce 1st , 2nd and 3rd instars mortality percentages. While 40 mg/ml. of Z. officinale occupied the first category for reducing 4th & 5th instars mortality percentages and improving cocoon shell ratio. | ||||
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