Sowing dates impact on maize varieties under climate change scenario

Abstract

W. Ali, M.J. Khan, M. Ali

Climate change has a great impact on the productivity of field crops. These impacts may occur in the form of imbalance precipitation that had a great impression on crop productivity and decreases their resistance to the harsh climate. Keeping all these things in view a research was carried out with the aim of evaluating impact of different sowing dates on various maize varieties at New Developmental Farm, The University of Agriculture Peshawar during summer season 2016. Different sowing dates were started from 10th June, 25th June, 10th July, 25thJuly and up to 9th August each with 15 days of interval. Varieties upon which the research was carried out are CS-220, SB-92, SB-909, SB-989 and SB-292. The results revealed that sowing date 10th June gives beneficial results in case of Plant height (202cm), Plant population (62540 ha-1), Biological yield (26994 kg ha-1) and Grain yield (5374 kg ha-1). While the variety which shows better response on different sowing dates were SB-92 having plant height (188cm), plant population (63848 ha-1), biological yield (19719 kg ha-1) and grain yield (5174 kg ha-1). Results revealed that sowing maize at 25th June gives best results. Therefore it is recommended that maize should be sown at 10th June and variety SB-92 to get maximum results in terms of maize parameter in this scenario of climate change.

Keywords: Climate change; Maize; Sowing dates; Varieties

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