International Journal of Academic and Applied Research (IJAAR)   Year: 2019 | Volume: 3 | Issue: 7 | Page No.: 43-48 Effect of Different Sowing Dates on the Population of Wheat Aphids (Homoptera: Aphididae) on Different Wheat Varieties. Majid Jamshed, Muhammad Ibrahim Kubar, Sakhawat Ali, 4Mitha khan, Niaz Ahmed Jamali,Abdul Nabi, Abdul Salam Mengal, Muhammad Sharif, Abdul Jabbar, Shah Muhammad khosa Abstract: The experiment was conducted in the Experimental field of Nuclear Institute of Agriculture (NIA), Tandojam. Five wheat varieties namely, TD1, TJ 83, Bhattai, Kiran 95 and Suassi were grown in the Experimental Farm. All the wheat varieties were grown on different sowing dates (20 October, 20 November and 20 December). Each variety were cultivated on (50 m2) plot with different sowing dates (20 October, 20 November and 20 December). Ten sub-plots from each variety were selected for collection of data. Five plants from each sub plot were taken for counting the population densities of the aphids. Whole plants were observed for examining the population densities of the aphids. Data were monitored on weekly basis. Data were taken after one month of the crop cultivation upto crop maturity. All the standard agronomic practices were conducted throughout course of the experiment. The metrological data were recorded throughout the experimental period. Data were subjected for statistical analysis.