EVALUATION OF BACILLUS thuringiensis (BERLINER) FORMULATIONS AGAINST THE PINK BOLLWORM PECTINOPHORA gossypiella (SAUND.)
Laboratory experiments were carried out to investigate the effect of two bacterial commercial products of B. thuringiensis (Dipel 2x and Protecto) on eggs and the newly hatched larvae of pink bollworm, P.gossypiella. Different concentrations of both commercial products of B. thuringiensis were teste...
| Main Authors: | , |
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| Format: | Article |
| Language: | Arabic |
| Published: |
The Union of Arab Universities
2005-09-01
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| Series: | Arab Universities Journal of Agricultural Sciences |
| Subjects: | |
| Online Access: | https://ajs.journals.ekb.eg/article_15334_fc8f70fa9ddb284887817e806ac8a807.pdf |
| Summary: | Laboratory experiments were carried out to investigate the effect of two bacterial
commercial products of B. thuringiensis (Dipel 2x and Protecto) on eggs and the
newly hatched larvae of pink bollworm, P.gossypiella. Different concentrations of
both commercial products of B. thuringiensis were tested. The results showed that
the percentage of larval mortality increased by increasing concentration and the
period after treatment, calculated LC50s values after 3-7 days of treatment.
Treatment of eggs did not affect, significantly, the hatchability. While the
percentage mortality of newly hatched larvae produced from the treated eggs was
high according to the concentrations used. |
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| ISSN: | 1110-2675 2636-3585 |