Abstract
Rice culture can suffer great damages due to fungal diseases which affect seeds, roots, leaves and panicles, among which the blast disease stands out. In this context, the chemical control through fungicide use takes a key role, promoting healing, protecting and eradicative effects of the disease. The great majority of fungicides recommended include active ingredients of systemic action ways, that is, capable of penetrating and moving inside plants, being able to exert its effect in a different location from that applied. This study presents a review about the systemic fungicide use for blast disease control. For this disease, there are 25 registered commercial products which include 12 different active ingredients, considering seed treatment and foliar application, involving a total of 6 distinct ways of systemic action. The treatment with systemic fungicides has been shown efficient in chemical control for promoting healing, protecting and eradicating effects of the disease.
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