Sharma, R and Goud, T Y and Prasad, Y P and Naresh, N and Kadvani, D L and Mathur, A C and Thakare, C S and Uma Devi, G and Naik, M K (2020) Pathogenic variability amongst Indian isolates of Magnaporthe grisea causing blast in pearl millet. Crop Protection, 139. ISSN 0261-2194
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Blast disease caused by Magnaporthe grisea is a major biotic constraint to the production of pearl millet in India. The pathogen is highly variable in nature, but isolates are mostly specific in their host range. Pathogenic variation among 80 M. grisea isolates collected from major pearl millet growing states in India was studied on pearl millet host differentials (ICMB 93333-P1, ICMB 95444, ICMB 97222-P1, ICMB 01333, ICMB 02444, ICMR 06444, 863B-P2, ICMR 06222, ICMR 11003 and IP 21187-P1) under greenhouse conditions. Based on reaction of isolates on host differentials (virulent = score ≥ 4 and avirulent = score ≤ 3 on a 1-to-9 scale), 80 isolates were clustered into 14 pathogenic groups. Based on the virulence profiling, isolates Pg 138, Pg 186, Pg 204, and Pg 232 representing different pathogenic groups, and collected from different states have been selected for greenhouse screening of pearl millet lines for blast resistance.
| Item Type: | Article |
|---|---|
| Divisions: | Research Program : Asia |
| CRP: | UNSPECIFIED |
| Uncontrolled Keywords: | pearl millet, blast resistance |
| Subjects: | Mandate crops > Millets > Pearl Millet Others > Plant Pathology |
| Depositing User: | Mr Nagaraju T |
| Date Deposited: | 11 Feb 2025 08:01 |
| Last Modified: | 11 Feb 2025 08:01 |
| URI: | http://oar.icrisat.org/id/eprint/12948 |
| Official URL: | https://www.sciencedirect.com/science/article/abs/... |
| Projects: | UNSPECIFIED |
| Funders: | UNSPECIFIED |
| Acknowledgement: | The authors are thankful to the CGIAR Research Program on Grain Legumes and Dryland Cereals (CRP-GLDC), and Pearl Millet Hybrid Parents Research Consortium (PMHPRC) for the financial support. |
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