Wheat blast disease management: cues from the advancements in molecular biology of rice-Magnaporthe pathosystem
2018
Devanna, B. N. | Sharma, T. R.
Wheat blast disease, caused by Magnaporthe oryzae Triticum pathotype, was first reported in 1985 from Brazil, and since then it has emerged as a major threat to global wheat production. Unlike rice blast disease, where many rice lines are known to provide nearly complete resistance to M. oryzae, the resistance response of wheat germplasm to blast pathogen is rather limited to a few isolated lines with low to moderate level of resistance. Considering this aspect along with the limited success achieved in managing wheat blast using chemical fungicides, it is going to be a very challenging task to manage this disease. Therefore, it is imperative on the part of the wheat breeders and agricultural scientist to visit and explore the knowledge and genomic and genetic resources gained by concomitant molecular biology research over decades while dealing with rice-Magnaporthe pathosystem and devise strategies to effectively manage wheat blast disease.
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