Screening, Morphological and Biochemical Evaluation of Cashew Variety in Relation to Tea Mosquito Bug, Helopeltis Antonii Signoret Infestation

Author: Damasia D.M.*, Patel Z.P., Bambharolia R.P. and Makvana A.I.

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Abstract

Tea mosquito bug (Helopeltis antonii Signoret) is one of the most important pests of cashew (Anacardium occidentale L.) in India and is highly prone to damage by this pest worldwide. Seven varieties of cashew were screened against tea mosquito bug under field conditions at Agriculture Experimental Station, Navsari Agricultural University, Paria, Gujarat, India. The average of shoot and panicle damage scale was ranged from 0.71 to 1.26.Among the different varieties screened, Vengurla-3 and 7 were classified under moderately susceptible category, whereas Vengurla-1, 2, 4, 5 and 6 were categorized as highly susceptible. Early flowering varieties suffer more damage than mid flowering varieties. Susceptibility increased with increase in starch, total amino acid and total sugar while, decreased with increase in total phenol content in tender shoot of cashew.

Keywords

Cashew, damage scale, tea mosquito bug, screening, vengurla.

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