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Significance of Chemical Priming on Yield and Yield Components of Wheat under Drought Stress

American Journal of Plant Sciences 2017年第6期8卷 1339-1344页

作者： Alam Sher Aaqil khan Sajid Hussain Li Jin Cai Muhammad Irfan Ahmad Sikandar Ali Jamro Arif Rashid Anhui Agricultural University School of Agronomy Hefei China Ayub Agricultural Research Institute Faisalabad Pakistan College of Agriculture BZU Bahadur Sub Campus Layyah Pakistan Department of Crop Biotechnology Anhui Agricultural University Hefei China

Drought is the most important factor limiting plant production in the majority of agricultural crops of the world. Wheat is generally grown on arid-agricultural fields. An experiment was conducted at the Plant physiology research area, Agronomic Research Institute Faisalabad, during winter 2010-11 to evaluate the effect of drought on wheat variety Lasani 2008. The experiment was comprised of following treatments. T1 Normal moisture (3 IR at CRS, Booting and grain filling), T2 No irrigation (only rainfed) control, T3 water spray (100 ppm), T4 ascorbic acid (100 ppm), T5 salicylic acid (100 ppm), T6 calcium chloride (100 ppm), T7 glycinbetain (100 ppm). According to the resulting data the treatment in which three irrigation were applied produced more no. of tillers (52%), spikelet per spike (41%), spike length (30%), grain per spike (58%), grain yield (54%), biological yield (35%) as compared to control. The treatment in which no irrigation was applied produced less no. of tillers, spikelet per spike, spike length, grain per spike, grain yield, biological yield. Thousand grain weight and harvest index were non significant among all treatments.

关键词： Wheat Hormonal Priming Drought Ascorbic Acid Salicylic Acid Calcium Chloride glycinbetain

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