Abstract
Genotypic variation to zinc (Zn) deficiency in barley indicates that selection for Znefficiency is possible. Sahara (Zn-efficient) and Clipper (Zn-inefficient) were evaluatedat different Zn nutrition in soil and chelator-buffered nutrient. Zinc deficiency symptomsappeared first in Clipper and later in Sahara. At 0.8 mg Zn/kg soil, shoot and root Znconcentration and content were higher in Sahara than Clipper. The root:shoot dry matterratio of genotypes increased as Zn application decreased. The 4th and 5th leaf elongationwere depressed greater in Clipper than Sahara by Zn deficiency. The genotypes responsesto Zn in solution and soil were consistent in all parameters except root growth. In contrastto soil, root drymatterwas greater in Clipper than Sahara in solution under Zn deficiency.Shoot Zn concentration and content can be used in assessment of barley genotypes, andmay be useful criteria in screening large genotypes aimed at developing molecularmarkers for Zn efficiency.
| Original language | English |
|---|---|
| Pages (from-to) | 1744-1767 |
| Journal | Journal of Plant Nutrition |
| Volume | 32 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 2009 |
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