Enhancement of wheat grain yield and yield components through foliar application of zinc and boron
2009
Ali, S. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Breeding and Genetics) | Shah, A. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Agronomy) | Arif, M. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Agronomy) | Miraj, G. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Agricultural Chemistry) | Ali, I. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Breeding and Genetics) | Sajjad, M. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Breeding and Genetics) | Farhatullah (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Breeding and Genetics) | Khan, M.Y. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Breeding and Genetics) | Khan, N.M. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Extension Education and Communication)
To evaluate the effect of foliar application of zinc and boron on yield and yield components of wheat, the present experiment was conducted at Agricultural Research Farm of NWFP Agricultural University Peshawar during winter seasons of 2004-05 and 2005-06. Solutions of zinc, boron and zinc plus boron were used as foliar spray, each applied at tillering, jointing and boot stage. Water application and no spray application were used as control. During both of the seasons, significant increase was recorded in number of spikes m-2, grains per spike, thousand grain weight, biological yield and grain yield for foliar application of zinc and boron as compared to both control treatments. Combined application of zinc and boron resulted in maximum grains per spike (56, during 2004-05 and 48.2 during 2005-06 with 52.2 as mean over years), thousand grains weight (52.2 as mean over years), biological yield (8750 kg per ha during 2004-05 and 11389 kg per ha during 2005-06 with 10069.4 kg per ha as mean value) and grain yield (2833 kg per ha during 2004-05 and 2555 kg per ha during 2005-06). Water application and control treatments resulted in minimum number of spikes m-2, grains per spike, thousand grain weight, biological yield and grain yield, during both of the growing seasons. The present experiment shows that foliar application of zinc and boron results in increased grain yield and yields components of wheat, and thus is recommended to increase crop production.
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