Plant Soil Environ., 2013, 59(8):348-352 | DOI: 10.17221/158/2013-PSE
Improving nutritional quality of wheat through soil and foliar zinc applicationOriginal Paper
- 1 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, U.S. Nagar, Uttarakhand, India
- 2 Department of Entomology, College of Agriculture, G.B. Pant University of Agriculture and Technology, U.S. Nagar, Uttarakhand, India
- 3 Department of Soil Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, U.S. Nagar, Uttarakhand, India
A field study was conducted to ascertain the effect of three zinc (Zn) levels: 0, 20 kg ZnSO4/ha and 20 kg ZnSO4/ha + foliar spray of 0.5% ZnSO4, on wheat grain Zn content and factors contributing to or hindering in its bioavailability. Increasing Zn levels were established as serviceable in improving the nutritional status of genotypes. Soil application + foliar spray proved to be paramount for all the traits leading to an 80% increase in grain Zn content, 61.3% in methionine content and a decrease of 23.2% in phytic acid as an average of all genotypes and both years. The genotype UP 2382 was found more suited to Zn fertilization in allocating Zn and maintaining a lower phytate to Zn molar ratio.
Keywords: phytic acid; zinc content; methionine; ascorbic acid; phytate to zinc molar ratio
Published: August 31, 2013 Show citation
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