Aphid (Myzus persicae Sulzer) population showed two peaks, first at 3rd week of January (3rd Standard Meteorological Week-SMW) and second at 1st week of February (5th SMW) during rabi, 2017-18 with significantly positive association with MaxT (r=0.61*) and BSS (r=0.70*) but it has significantly negative association with WS (r=-0.61*). Population of jassids (Amr...