Hubick, K.T. and Shorter, R. and Farquhar, G.D. (1988) Heritability and Genotype × Environment Interactions of Carbon Isotope Discrimination and Transpiration Efficiency in Peanut (Arachis hypogaea L.). Australian Journal of Plant Physiology, 15 (6). pp. 799-813.
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Abstract
The heritability of transpiration efficiency (W) and carbon isotope discrimination (CID) was estimated in glasshouse trials in the F2 population of a cross between 2 contrasting genotypes. The magnitude of genetic and genotype x environment interaction sources of variation were estimated in field trials with 16 genotypes in contrasting rainfall environments. W varied significantly among cultivars of peanut irrespective of whether plants were drought-stressed or well-watered. Transpiration efficiency in the potted F2 plants had a heritability of 34 percent while CID had a heritability of 53 percent. The broad sense heritability of CID in field-grown cultivars was 81 percent and there was no significant genotype x environment interaction for CID. The high heritability of CID and its strong genetic correlation with W indicates that CID is a suitable selection criterion for W in peanut breeding programs
| Item Type: | Article |
|---|---|
| Additional Information: | SNNigam Collection |
| Author Affiliation: | Plant Environmental Biology Group, Research School of Biological Sciences, Australian National University, G.P.O. Box 475, Canberra, A.C.T. 2601, Australia |
| Subjects: | Plant Protection Crop Improvement Environmental Science |
| Divisions: | Groundnut |
| Depositing User: | Mr B Krishnamurthy |
| Date Deposited: | 13 Jul 2013 13:17 |
| Last Modified: | 13 Jul 2013 13:17 |
| Official URL: | http://dx.doi.org/10.1071/PP9880799 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/11004 |
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