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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2017, Vol. 5, Issue 6
Evaluation of different plant extracts for management of mealy bugs and leaf rollers in the mulberry field

M Maheswari and G Govindaiah

The study was conducted to see the insecticidal effect of medicinal plants namely Lantana camara Linn. (lantana), Allium sativum Linn. (Garlic), Zingiber officinale Rose. (Ginger), Azadirachta indica Juss.(neem) and Vitex negundo Linn.(vitex) at farmer garden, Medenahalli village, Bangalore and Sericulture Department, Bangalore University against mealy bug Maconellicoccus hirsutus during summer season. In case of leaf roller Diaphania pulverulentalis, it was sprayed at farmer garden, Tagachuguppae village, Bangalore and Mulberry farm Sericulture Department, Bangalore University during winter season respectively. The results indicated that among all the extracts tested, the 2% lantana extract has controlled the mealy bugs infestation to 46.87-49.00%, the percent of nymphs and adult mealy bugs was reduced to 24.09-39.92% and 23.68-24.62% respectively on fifth day after treatment. In case of leaf rollers, the 11% vitex extract has reduced the percent of mulberry infestation to 46.86-56.32%, the second and third instar larvae of leaf roller reduced to 38.80-46.87% and 27.85-30.70% respectively on fifth day after treatment. The result indicated that the lantana extract at lower concentration 2% and 11% was found to be better to control mealy bugs and leaf rollers compared to other extracts which are safer concentration for silkworm without any harm.
Pages : 2081-2085 | 1105 Views | 266 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
M Maheswari, G Govindaiah. Evaluation of different plant extracts for management of mealy bugs and leaf rollers in the mulberry field. J Entomol Zool Stud 2017;5(6):2081-2085.

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