Plant Protection

Integrated pest management involving sex pheromone was recommended against tolerance to Phytophthorablight.

For management of sweet potato weevil, planting of marigold in alternate rows with sweet potato was found most effective.

Application of Beauveriabassianashowed excellent effect against sweet potato weevil and reduced the tuber infestation and improved marketable yield of sweet potato.

Yam bean seed extract (YBSE) at 5 and 2% aqueous proved most effective in minimizing Spodopteralituraand aphid population

Planting of sweet potato with marigold as border crop at 1:1 alternate fashion advocated for reduction in infestation of weevil with higher marketable tuber yield at Kalyani

Yam bean seed extract (YBSE) at 5 and 2 per cent proved most efficacious in minimizing aphid population at 3 and 10 days after first spray as against foliar spray of dimethoate at Dholi and Kalyani

Sweet potato intercropped with coriander/ Garlic in 1:1 ratio was found to reduce the weevil infestation of tubers and was recommended to adopt in the states of Andhra Pradesh, Bihar and West Bengal.