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Hipotesis de la exclusion de linajes una alternativa para el desarrollo de cultivares de arroz con resistencia durable a Pyricularia grisea (Sacc) en Colombia



Hipotesis de la exclusion de linajes una alternativa para el desarrollo de cultivares de arroz con resistencia durable a Pyricularia grisea (Sacc) en Colombia



Fitopatologia Colombiana 23(1-2): 54-58



Rice blast caused by the fungus Pyricularia grisea (Sacc.) is the most important disease of rice crops throughout the world. The development of resistant varieties is the method preferred by breeders for the control of the disease; however, varieties tend to become susceptible in periods ranging from one to two years after their deployment. The great variability of the pathogen is mentioned as the cause o F the breaking down of the resistance.

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