Mehan, V.K. and McDonald, D. and Rajagopalan, K. (1987) Resistance of peanut genotypes to seed infection by Aspergillus flavus in field trials in India. Peanut Science, 14 (1). pp. 17-21.
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Abstract
Eleven groundnut genotypes, 6 resistant and 5 susceptible to in vitro seed colonization by A. flavus, were evaluated for field resistance to seed infection by A. flavus and other soil fungi, and for aflatoxin contamination, in 7 environments in southern India. Of the resistant genotypes, 5 had significantly greater resistance to infection of seed by A. flavus in the field and had lower aflatoxin contamination than the susceptible genotypes. Resistance to field seed infection by A. flavus was stable across the 7 environments. Significant interactions were found between environments and susceptible genotypes for infection by A. flavus, A. niger and Macrophomina phaseolina. Genotypes with field resistance to A. flavus also had significantly less seed infection by A. niger, M. phaseolina and Fusarium spp. than the A. flavus-susceptible genotypes. Significant positive correlations were found between resistance and field resistance to A. flavus seed infection, and between the seed infection and aflatoxin B1 contamination. The field resistant genotypes J 11, Ah 7223, UF 71513, U 4-7-47 have yield levels and pod and seed characters acceptable in India
| Item Type: | Article |
|---|---|
| Author Affiliation: | Groundnut Improvement Prog., ICRISAT, Patancheru, P.O. 502 324, India |
| Subjects: | Plant Protection > Pests Crop Improvement > Plant Breeding Crop Improvement > Seed Technology |
| Divisions: | Groundnut |
| Depositing User: | Mr B Krishnamurthy |
| Date Deposited: | 27 Apr 2011 04:49 |
| Last Modified: | 27 Apr 2011 04:49 |
| Official URL: | http://www.peanutscience.com/doi/pdf/10.3146/i0095... |
| URI: | http://eprints.icrisat.ac.in/id/eprint/1897 |
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