Yellow mite (Polyphagotarsonemus latus Banks) menace in chilli crop

Yellow mite (Polyphagotarsonemus latus Banks) menace in chilli crop

2007

A:PS

The yellow mite, Polyphagotarsonemus latus Banks is one of the very important arthropod pests causing leaf curl in chilli through out the globe. In chilli, the mite and thrips complex causes on an average yield loss to the tune of 34.14 per cent. However, in extreme cases, the complete failure of the crop is not uncommon. Many conventional insecticides including monocrotophos, thiometon, phosphomidon, methyl-o-demeton, formothion, ethion, cypermethrin, deltamethrin, clocythrin and more recently imidacloprid have induced resurgence against mite, besides causing residue problems in green chilli. Sources of resistance against mite are less. Promising control by an antibiotic preparation, liuyangmycin derived from Streptomyces griseolus, entomopathogenic fungi (Hirsutella thompsonii, Paecilomyces fumosoroseus, Beauveria bassiana), phytoseiid predators (Neoseilus barkeri, Amblyseius ovalis, Neoseiulus cucumeris, Amblyseius longispinosus, A. californicus, Amblyseius peregrinus), botanicals like Annona squamosa and vegetable oils as synergist and chitin inhibitor, buprofezin have shown new hope for ecofriendly management of this pest. Bioecology and management of P. latus, are reviewed with special reference to chilli crop. Areas forfuture research include the possible emergence of sibling species orfeeding strains, better understanding of the reproductive biology, role of info-chemicals, vital antibiosis effect of host plants, mechanism of resistance and quick diagnostic tool for pesticide resistance, and exploration for additional effective bioagents.

v.34(1):1-13, VEGETABLE SCIENCE

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