Subrahmanyam, P and McDonald, D and Waliyar, F and Reddy, L J and Nigam, S N and Gibbons, R W and Rao, V R and Singh, A K and Pande, S and Reddy, P M and Rao, P V S (1995) Screening methods and sources of resistance to rust and late leaf spot of groundnut. Information Bulletin no. 47. Technical Report. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
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Abstract
Rust and late leaf spot are the most serious fungal diseases of groundnut worldwide, and can cause severe yield losses, particularly when they occur together. This Bulletin describes simple and effective field screening methods to identify genotypes with resistance to these diseases. Production of inoculum, sowing and inoculation of test genotypes, and disease assessment in the field, using a 1-9 scale, are discussed. These methods were used dUring 1977-89 to evaluate ICRISAT's world collection of over 12 000 groundnut accessions. Several reliable sources of resistance to rust and/or late leaf spot were identified, and are listed here-124 lines resistant to rust, 54 lines resistant to late leaf spot, and 29 lines with combined resistance. An extensive bibliography is also presented, for those who require more detailed information on specific aspects of the diseases.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Divisions: | UNSPECIFIED |
| CRP: | UNSPECIFIED |
| Subjects: | Mandate crops > Groundnut |
| Depositing User: | Users 6 not found. |
| Date Deposited: | 31 Oct 2011 10:35 |
| Last Modified: | 31 Oct 2011 10:35 |
| URI: | http://oar.icrisat.org/id/eprint/3477 |
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