NDLI: Multiple Methods to Determine Drought Tolerance and Measure Diversity in Bread (triticum Aestivum) and Durum (triticum Turgidum L.) Wheat Landraces

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Multiple Methods to Determine Drought Tolerance and Measure Diversity in Bread (triticum Aestivum) and Durum (triticum Turgidum L.) Wheat Landraces

Content Provider	Semantic Scholar
Author	Messele, Tesfaye
Copyright Year	2016
Abstract	To identify drought tolerant wheat landrace genotype(s), physiological viz., morphological, water use efficiency and biochemical parameters were conducted. Morphological and water use efficiency study showed similar characteristic behaviors like stunting growth, leaf rolling, reduction in number of of tillers, fertile glum, leaf size, stem size and yield reduction . Early flowering for T. aestivum ranged from 38 to 40 days; for T. turgidum, it was from 29 to 40 days. There were significant correlation between wax content and leaf size, stomata tolerance and relative water loss (RWL). Drought stress increased proline and soluble sugar content, while starch content was reduced. Result from morphological, water use efficiency and biochemical data verify that 12 accession of T. aestivum and 7 accessions of T. turgidum wheat genotypes were drought tolerant. Drought has imposed reduction of nutrient value like protein. Correlation of relative water loss, stomata tolerance and water use efficiency had greater contribution to yield and accounted for 69.00%. Shannon–Weaver index diversification for all T. aestivum accessions was 0.66 while for T. turgidum, it was 0.42. Diversification is more pronounced in the low altitude than high altitude. Compared to earliness, late flowering are high yielders. This might be the reason why yield performances of the two species varied. Water stress may reduce the capacity of plant tissue as a consequence induced to carry out protein synthesis. Moisture stress did not affect the nutrient quality.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.mu.edu.et/jd/pdfs/V6N1/Paper%205.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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