Abstract
Influence of weather parameters on pests of cashew in Konkan
Highlights
The data pertaining to per cent incidence of tea mosquito bug, apple and nut borer and leaf miner were subjected to correlation analysis with different meteorological parameters
Tea mosquito bug incidence coincides with the emergence of new flush during October
The incidence of apple and nut borer was recorded during the fruiting season from February to April along with peak incidence in first
Summary
Anacardium occidentale L. belonging to family Anacardiaceae, having great economic value is mostly grown in the east and west coast of India. More than 180 insect-pests infesting cashew reported from India, of which 47 species were observed infesting cashew in the Konkan, Maharashtra (Sundararaju, 1993; Godase et al, 2005). Helopeltis antonii, Signoret is the most serious pest of commercially grown cashews in India, with crop losses 30–40 per cent (Devasahayam and Nair, 1986). 10 trees were selected randomly for recording observations on the tea mosquito bug, apple and nut borer and leaf miner incidence. The observation on tea mosquito bug infestation in 0-4 scale was recorded fortnightly on selected shoots/ panicles (Ambika and Abraham, 1979). The data obtained were converted into per cent incidence using formula (Godase et al, 2005)
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