Agronomic Biofortification to Improve Productivity and Grain Zn Concentration of Bread Wheat. | [International Journal of Agriculture and Biology • 2019]

Author(s):

1. Muhammad Umair Hassan: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

2. Muhammad Umer Chattha: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

3. Aman Ullah: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

4. Imran Khan: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

5. Abdul Qadeer: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan

6. Muhammad Aamer: Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang, Jiangxi, China

7. Aman Ullah Khan: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

8. Faisal Nadeem: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

9. Tahir Abbas Khan: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

Abstract:

Zinc (Zn) deficiency is one of the major problems in food crops, affecting humans and animals. Present study was carried out to determine the effect of Zn application through different methods for improving the productivity and grain biofortification of bread wheat. Zn was applied through different methods as soil application (10 kg ZnSO4 ha-1), seed priming (0.3 M ZnSO4) and foliar application (0.5% ZnSO4 at booting and milking stages). Zn application through either method increased the productivity and grain Zn concentration of wheat. The order of improvement in grain yield was soil application (6.60 Mg ha-1), seed priming (6.09 Mg ha-1) and foliar application (5.75 Mg ha-1). Likewise, increase in grain Zn concentration was in order of foliar application (70%), soil application (39%) and seed priming (15%). Zn application through foliar spray had highest partial factor productivity, agronomic use efficiency and Zn mobilization efficiency index owing to low quantity of Zn applied. All Zn application methods remarkably enhanced the profitability; however, soil application remained more profitable method, followed by seed priming and foliar application. In conclusion, Zn application through soil was beneficial in improving the productivity of wheat, while in case of biofortification, Zn application through foliar spray was best.

Page(s): 615-620

DOI: 10.17957/IJAB/15.0936

Published: Journal: International Journal of Agriculture and Biology, Volume: 21, Issue: 3, Year: 2019

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