Drought Induced Morphological, Physiological and Molecular Changes in Selected Indian Wheat Genotypes
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Sardar Vallabh Bhai Patel University of Agriculture & Technology, Meerut
Abstract
Wheat is an important cereal crop of word including India. Drought stress has
been found to be one of the major causes of reduced crop yield and great efforts have
been made to breed drought tolerant crop varieties. In the present study we have used
nineteen wheat genotypes of diverse genetic background including popular culti~ar
of India. All the genotypes were screened for induced drought conditiens on the
basis of morphological, physiological and molecular characterizations using drought
specific SSR markers.
On the basis of morphological and physiological traits it was observed that
genotypes Raj 1555, DBW17, PBW226, VL 421, PDW 291 and WH1021 performed
better for drought induced conditions. A total of fifteen SSR primers were used
across nineteen wheat genotype for their characterization for drought induced
conditions and it has been observed that genotypes belongs to two different gene
pools and substantial ameunt genetic diversity present among them with a total of
seven clusters.