Evaluation of pearl millet hybrids for their tolerance to high temperature and limiting soil moisture at the seedling stage

Joshi, A.K. and Marviya, G.V. and Dangaria, C.J. (2005) Evaluation of pearl millet hybrids for their tolerance to high temperature and limiting soil moisture at the seedling stage. International Sorghum and Millets Newsletter, 46. pp. 102-104.

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Abstract

The performance of 5 pearl millet hybrids (GHB 558, GHB 559, GHB 316, GHB 538 and GHB 526) under water stress (soil moisture content of 14%) and heat (38-40°C) was evaluated in a pot experiment. Water stress was imposed by withholding irrigation after emergence. Growth parameters and seedling survival were evaluated at 19-22 days after the last irrigation. GHB 526, specifically released for summer cultivation in Gujarat, India, was the most tolerant of drought and heat among the hybrids, as it recorded the greatest root mass (38.7 mg per plant), shoot dry mass (37.4 mg per plant), survival percentage (76.4%) and leaf elongation rate (0.59 cm per day). The root/shoot ratio and total dry mass did not significantly vary among the hybrids.

Item Type: Article
Author Affiliation: Millet Research Station, Junagadh Agricultural University, Jamnagar 361 006, Gujarat, India
Subjects: Soil Science and Microbiology > Soil Sciences
Crop Improvement > Seed Technology
Divisions: Millet
Depositing User: Mr B Krishnamurthy
Date Deposited: 16 Nov 2010 17:08
Last Modified: 29 Dec 2010 19:47
URI: http://eprints.icrisat.ac.in/id/eprint/556

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