Grand Nain banana, a variety under Cavendish cultivar, which is cultivated largely in India, is being affected with a mutated strain of TR1 fungus, reveals a recent study by scientists from National Research Centre for Banana (NRCB), Tiruchirappalli.

Fusarium oxysporum f.sp.cubanese, or simply ‘Foc’, is one of the deadliest invasive fungal pathogen affecting banana crops. Though it is a soil-borne fungus, it can also spread through air and water. The fungus has different types categorized as ‘Tropical Race’ (TR) 1, 2, 3 and 4.


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