Role of seed-Zn content on seed longevity of pigeonpea genotypes

DOI: 10.18805/IJARe.A-4891    | Article Id: A-4891 | Page : 250-256
Citation :- Role of seed-Zn content on seed longevity of pigeonpea genotypes.Indian Journal Of Agricultural Research.2018.(52):250-256
D. Hanumanthappa, S.N. Vasudevan, N.M. Shakuntala, M. Muniswamy, B. Kisan and I. Sangeeta Macha dasah4508@gmail.com
Address : Department of seed science and Technology, College of Agricultural, UAS, Raichur-584 104, Karnataka, India.
Submitted Date : 4-09-2017
Accepted Date : 27-04-2018

Abstract

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), a-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.

Keywords

Iron Pigeonpea Seed Zinc

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