EFFECT OF BIOINSECTICIDE, INSECTICIDE, INSECT GROWTH REGULATOR AND NATURL OIL ON THE WHITE FLY Bemisia tabaci (Genn.) AND ASCORBIC ACID (VITAMIN C) CONTENTS IN TOMATO PLANTS | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 3, Volume 25, Issue 11, November 2000, Page 7153-7158 PDF (731.47 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2000.259788 | ||||
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| Author | ||||
| Shanahazy El-Deeb | ||||
| Plant Protection Research Institute, Agric. Res. Center, Dokki, Giza, Egypt. | ||||
| Abstract | ||||
| Beauveria bassiana (Biofly); Profenofos (Selecron 72% E.C) and Insect growth regulator (Admiral) as well as Natur’l oil were used against whitefly. Bemisia tabaci (Genn.) on tomato leaves in Fayoum district, Fayoum Govenorate. Results indicated that Profenofos (Selecron 72% E.C) and Natur’l oil exhibited the highest reduction in population (after 2 day initial) during two seasons. While, Insectgrowth regulator; (Admiral) and (Beauveria bassiana) (Biofly) exhibited the highest reduction as residual effect (after 5-7 days) during 1998 and 1999 seasons. The highest reduction in the incidence of Ascorbic acid was obtained with Profenofos (Selecron 72%) while Ascorbic acid increased in case of by (Beauveria bassiana) (Biofly) treatment. | ||||
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