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VOL. 9, ISSUE 7 (2024)
Bioefficacy of some plant extracts and conventional chemical pesticide on Brevipalpus karachiensis infesting Adhatoda vasica (Nees) (Acanthaceae)
Authors
Dipti Dubey, Salil K Gupta
Abstract
Brevipalpus karachiensis Chaudhri et al. (Acari: Tenuipalpidae) is becoming
a serious pest of Justicia adhatoda L. Nees in the medicinal plant
garden of R.K. Mission, Narendrapur causing browning of leaves and defoliation.
This paper presents the results of the experiment conducted with plant extracts
along with a conventional pesticide as standard Propergite towards causing
mortality, oviposition deterrency and repellency. The results indicate that
among the plant extracts the highest mortality was recorded in 5 %
concentration of Lantana camara, for ovicidal action the extract of Ocimum
sanctum was found to be the best while for repellency the extract of Tagetes
patula was superior to all others. The standard acaricide i.e., Propergite
was superior to all tested plant extracts though the differences were not very
well marked. Hence, the plant extracts will be very suitable alternative of
chemical pesticide in management of Brevipalpus karachiensis on Vasak.
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Pages:18-21
How to cite this article:
Dipti Dubey, Salil K Gupta "Bioefficacy of some plant extracts and conventional chemical pesticide on <i>Brevipalpus karachiensis</i> infesting <i>Adhatoda vasica </i>(Nees) (Acanthaceae)". International Journal of Botany Studies, Vol 9, Issue 7, 2024, Pages 18-21
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