Role of seed-Zn content on seed longevity of pigeonpea genotypes
2018
Hanumanthappa, D. | Vasudevan, S.N. | Shakuntala, N.M. | Muniswamy, M. | Kisan, B. | Macha, I Sangeeta
Fifteen pigeonpea genotypes were selected to establish the role of seed-Zn content in maintaining seed longevity of pigeonpea genotypes. The present study revealed clear genotypic variability with respect to storability among different pigeonpea genotypes. The genotype with highest seed-Zn content (30.81 ppm) proved as good storer by recording highest seed quality parameters viz., seed germination (84.57%), seedling length (27.67 cm), seedling vigour index (1303), speed of germination (23.29%), dehydrogenase enzyme activity (0.551 OD value), α-amylase activity (28.46 mm) with lowest electrical conductivity (1.04 μS/cm) and moisture content (7.29%) at the end of twelve months of storage period. Whereas, genotypes with low seed-Zn content showed lowest seed quality parameters.
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