Population trend of Myzus persicae sulzer on different stages of potato crop in Karnataka*

¹Central Potato Research Institute, Karnataka Centre, C/o I.I.H.R., 255, Upper Palace Oschard, Bangalore-80, India.

²Central Potato Research Station, Modipuram, Meerut, U.P.

*Publicauon No. 963, CPRI, Shimla.