PJB-2018-333
MAIZE PERFORMANCE AGAINST DIFFERENT SOWING DATES IN NOWSHERA-PAKISTAN
Waqas Liaqat
Abstract
Revalidation of date of sowing under changing climate is necessary to optimize yield. Five sowing dates (i.e. 22 June, 3 July, 15 July, 27 July and 8 August) were replicated three times in randomized complete block design during kharif 2017 in Nowshera-Pakistan. Mazie hybrid SB-292 was sown in sub plot size of 22.05 m2 having 7 rows 0.70 m apart. After analysis it was clarified that sowing dates significantly affected crop phenology, growth, yield traits and yield of maize. Days to tasseling and silking decreased with delay in sowing time. Maturity decreased up to 15 July and further delay in date of sowing increased days to maturity. Taller plants with maximum ear height and leaf area index was recorded for first sowing (22 June). Ears plant-1 remain same when sowing was made from 22 June to 15 July. Yield traits decreased with delay in sowing time in season. Grain yield was recorded higher for first treatment (22 June) of sowing and with delay in sowing time yield decreased but drastic decline in yield was recorded when sowing was delayed from 15 July onwards. It can be concluded from the study that maize should be planted on 22 June for higher yield and yield traits but if due to some reasons its planting is postponed then its sowing should not be delayed from 15 July.
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