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Epidemiology of brown rust and yellow rust of wheat in north india part 3 impact of varietal change






Plant Disease Reporter 62(8): 694-698

Epidemiology of brown rust and yellow rust of wheat in north india part 3 impact of varietal change

A change in the varietal composition of wheat during 1973-1975 throughout the Indo-Gangetic plain delayed and lessened development of brown [Puccinia recondita f. sp. tritici] and yellow rust [P. striiformis]. This varietal change possibly averted a severe rust epidemic that would otherwise have occurred in 1975. In the broader sense, rust epidemics may be checked by frequent varietal changes in both the area where the disease oversummers and where it does not, if this is accompanied with diversification of sources of resistance.

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Accession: 005375953



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