EFFECTIVENESS OF CERTAIN PESTICIDAL TREATMENTS AGAINST SOME SUCKING PESTS ATTACKING Phaseolus vulgaris.

Document Type : Original Article

Authors

Pesticides Dept., Fac. of Agric., Mansoura Univ.

Abstract

The objective of present work was to compare the field efficiency of three tested pesticides, Bensultap, Pirimiphos-methyl and Abamectin, against some sucking insect pests, Whitefly, Bemisia spp < /em>. , the cotton leafhopper, Empoasca lybica, Thrips,  Thrips tabaci, and bean Aphids, Aphis craccivora, attacting kidney bean,  Phaseolus vulgaris.
The field experiment was conducted at MansouraUniversity experimental station during two period in 2007and 2008. Based on the results of this experiment, at the recommended dose, Bensultap and Pirimiphos-methyl induced excellent control to the all tested sucking pests as the initial kill, persent of reduction was ranging from (91.96 to 99.22) and from (87.67 to 97.48) for tow pesticides, respectively, whereas, Abamectin was the lowest effective one which revealed from 22.91 to 86.64% only.
Concerning residual activity (till 9th days after application), the tested pesticides can be arranged in descending order as follows: Bensultap, Pirimiphos-methyl and Abamectin, recording (67.03-94.52), (63.12-82.65) and (12.33-78.22) present reduction in pests population, respectively.

Keywords

Journal of Plant Protection and Pathology
Volume 33, Issue 7
July 2008
Pages 5317-5327

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