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Genetics of resistance to P3 isolate of Phytophthora blight in pigeonpea |
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| Authors: | AK Gupta IS Singh MV Reddy GC Bajpai |
| Institution: | (1) Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, 263 145, India;(2) Crop Protection Division, ICRISAT Asia Centre, Patancheru, 502 324, India |
| Abstract: | Seedlings from six crosses between susceptible × resistant and two between susceptible parents were screened against P3 isolate of Phytophthora drechsleri f. sp. cajani in the glasshouses. Disease reaction was scored on a rating scale of 1–5. Resistance was found to be controlled by one dominant gene and some minor genes and is affected by ontogeny. The resistance gene appeared to be different from the one reported earlier (Pd1) and is designated here as Pd3. This revised version was published online in July 2006 with corrections to the Cover Date. |
| Keywords: | Cajanus cajan genetics of resistance inheritance of resistance Phythophthora blight Phytophthora drechsleri pigeonpea |
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