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<< JRScience Home   Volume 12 No.1 June 2001 << Back to Volume Home

EFFECT OF WATER STRESS ON GROWTH AND YIELD COMPONENTS OF MAIZE VARIETY YHS 202

Muhammad Bismillah Khan, Nazim Hussain and Muhammad Iqbal

University College of Agriculture, Bahauddin Zakariya University, Multan 60800, Pakistan.

Abstract: This investigation was under taken to study the effect of water stress on growth and yield of maize CV. YHS 202 at Research Area of University College of Agriculture, Bahauddin Zakariya University, Multan during 2000.The study comprised of six treatments viz control (Six irrigations), five, four, three, two and one irrigation only. Data revealed that stem height, stem diameter, leaf area and days to complete flowering, decreased significantly with increasing water stress. Yield components such as number of grains per cob, 1000-grain weight and grain yield have also been decreased by increasing water stress. Maximum grain yield (3.5 t ha-1) was obtained in control treatment (six irrigations) and minimum grain yield (0.4 t ha -1) was obtained by applying one irrigation.

 

Keywords: Water stress, Growth, Yield, Maize.