Farmers’ perceptions of climate change and its implication on livestock production in mixed-farming system areas of Bale highlands, Southeast Ethiopia; Challenges and extents of Soil and Water Conservation measures in Guba-Lafto Woreda of North Wollo, Ethiopia; Evaluation of milk production performance of lactating Fogera cows fed with urea and effective micro-organisms treated rice straw as basal diet.

E3 Journal of Agricultural Research and Development

E3 Journal of Agricultural Research and Development Vol. 4 (3) pp. 029-038, March 2014; © E3 Journals; ISSN 2276-9897

Evaluation of Wheat (Triticum aestivum L.) genotypes for enhanced productivity through identification of Zn-efficient genotypes

Muhammad Imtiaz 1 * , Nizamudin Diper 1 , Parvez Khan 1
1 Nuclear Institute for Food and Agriculture, Peshawar (Pakistan)
2 Nuclear Institute of Agriculture, Tandojam (Pakistan)
*Corresponding Author E-mail: drimtiaz64@yahoo.com
Accepted 13 March 2014

Abstract

The relative zinc (Zn) efficiencies of 20 wheat genotypes were determined by growing them in chelate-buffered hydroponic culture solutions. Zinc efficiency of the test genotypes were determined by comparing their growth in a Zn-deficient solution (2 pM Zn2+) relative to that in a medium containing an adequate concentration of Zn (40 pM Zn2+ ) and varied between 41to 84%. The results depicted that eight genotypes proved Zn-efficient, 4 medium and 8 inefficient ones. The SD-8006, SD-8012 and SD-669 were the most efficient wheat genotypes with the efficiency of 84, 83, and 76%, respectively; whereas, T21 and T11 were the least efficient genotypes with 41 and 42% efficiency, respectively. All the cultivars accumulated higher concentrations of iron (Fe), copper (Cu), manganese (Mn) and phosphorus (P) at deficient levels of Zn, compared with adequate Zn concentrations. The Zn-inefficient cultivars accumulated higher concentrations of these elements compared to efficient cultivars. Zinc efficiency of these genotypes under field conditions varied between 57 to 96%, which was quite higher than determined in hydroponics study. Zn-efficient genotypes produced 23% higher grain yield and more extracted Zn (38%) compared to Zn-inefficient genotypes.

Keywords: Efficiency, Field study, Genotypes, Hydroponic study, Wheat, Zinc

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