Reddy, L J and Nigam, S N and Dwivedi, S L and Gibbons, R W (1987) Breeding groundnut cultivars resistant to rust (Puccinia arachidis Speg.). In: Groundnut rust disease. Proceedings of a Discussion Group Meeting, 24-28 Sept 1984 , ICRISAT Patancheru, Andhra Padesh, India.
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Abstract
An array of resistant lines has been generated at ICRISAT, from selections within segregating natural hybrids from the USA and from many crosses made between resistant germplasm accessions and agronomically superior but susceptible parents. Advanced breeding lines, with good yield potential, have been entered in national trials in India. The resistant lines are suitable for oil expressing but pod and seed characters need to be improved for their use as confectionery products. Some of the breeding lines also have resistance to other biotic and abiotic stresses. Preliminary studies on the genetics of rust resistance indicate that 2 or 3 duplicate recessive genes are involved in conferring resistance. Quantitative data revealed significant additive, additive × additive and additive × dominant gene effects involved in resistance.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Divisions: | UNSPECIFIED |
| CRP: | UNSPECIFIED |
| Subjects: | Mandate crops > Groundnut |
| Depositing User: | Mr T L Gautham |
| Date Deposited: | 31 Oct 2011 10:46 |
| Last Modified: | 31 Oct 2011 10:46 |
| URI: | http://oar.icrisat.org/id/eprint/3478 |
| Acknowledgement: | UNSPECIFIED |
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