Cytogenetic Studies on Nine Genotypes of Phaseolus vulgaris L. Cultivated in Egypt in Relation to Zinc Efficiency

Research Article

**Cytogenetic Studies on Nine Genotypes of Phaseolus vulgaris L. Cultivated in Egypt in Relation to Zinc Efficiency**

This investigation deals with variations in karyotype features, nuclear DNA content and nuclear volume in nine genotypes of Phaseolus vulgaris that show different adaptations to Zinc Deficiency (ZD). In addition, this study addresses the correlation between chromosome length, nuclear DNA amount and nuclear volume on one hand and the capacity of the examined genotypes to tolerate Zn deficiency on the other hand. It was found that Zn Efficiency (ZE) genotypes have the longer chromosomes, higher amounts of DNA content and larger nuclear volume than ZD genotypes.

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L. Mekki, A. Badr and M. Fekry, 2007. Cytogenetic Studies on Nine Genotypes of Phaseolus vulgaris L. Cultivated in Egypt in Relation to Zinc Efficiency. Pakistan Journal of Biological Sciences, 10: 4230-4235.

DOI: 10.3923/pjbs.2007.4230.4235

URL: https://scialert.net/abstract/?doi=pjbs.2007.4230.4235

Pakistan Journal of Biological Sciences

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Authors

L. Mekki

A. Badr

M. Fekry

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Research Article

**Cytogenetic Studies on Nine Genotypes of Phaseolus vulgaris L. Cultivated in Egypt in Relation to Zinc Efficiency**

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