Vol. 7, Issue 3 (2019)
Impact of drought stress on seed germination, growth characters and stress tolerant index of different pearlmillet genotypes
Author(s): M Vishnuveni, CN Chandrasekhar, P Jeyakumar, R Ravikesavan and D Sudhakar
Abstract: An experiment was conducted in ten pearlmillet genotypes to study the drought stress effect in early developmental stage under laboratory condition. Drought stress was imposed at -3 bars, -4 bars, -5 bars, -6 bars and -7 bars concentration by using PEG. The germination percentage, shoot and root length, vigour index and stress tolerant index were recorded. Under imposed drought stress every genotype behaves differently with respect to drought stress condition. The genotype PT 5748 performed superior under severe stress condition. It recorded highest germination percentage (30%), vigour index (180) and high stress tolerance index (7.86%) in -6 bars. However, the genotype PT 5756 recorded germination percentage (10%), vigour index (132) and low stress tolerance index (9.40%) in -4 bars PEG concentration. It indicates the survival extinct under drought stress. The study was helpful to provide the breeding material for ensuring more drought tolerance potential in pearlmillet.
Pages: 2056-2059 | 356 Views 64 Downloads
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How to cite this article:
M Vishnuveni, CN Chandrasekhar, P Jeyakumar, R Ravikesavan, D Sudhakar. Impact of drought stress on seed germination, growth characters and stress tolerant index of different pearlmillet genotypes. Int J Chem Stud 2019;7(3):2056-2059.