Studies on Terminal Drought Tolerance Mechanism in Pearl millet [Pennisetum glaucum (L.) R. Br.] Hybrids
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Date
2018
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Department of Biotechnology College of Agriculture, Bikaner Swami Keshwanand Rajasthan Agricultural University Bikaner
Abstract
The present investigation was undertaken to study terminal drought
tolerance on morpho-physiological, biochemical and molecular characters in
seven hybrids of pearl millet viz. GHB-558, GHB-732, HHB-67 improved,
HHB-226, MPMH-17, RHB-173 and RHB-177. No irrigation was applied
throughout the growth and developmental stages of the crop. Results
showed that the panicle length, panicle weight, grain yield per panicle, test
weight, economical yield per plant, biological yield per plant and harvest index
were recorded maximum in hybrid RHB-177 as compared to other hybribs.
There was a significant variation among the hybrids for all the parameters
recorded. Hybrid RHB-173 (55.21 per cent) recorded the highest panicle
harvest index followed by GHB-732, RHB-177, HHB-226, GHB-558, MPMH-
17 and HHB-67 improved.
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