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Blast disease and how to control it, the disease is caused by a fungus infection of pyricularia orizae that attacks plants in all growth phases, symptoms of infection in the vegetative phase cause brownish-colored rhombic leaves, attacks in this phase are called leaf blasts while symptoms of infection in the generative phase attack panicle stems causing brown symptoms in rice panicles, at the level of severe attacks potentially puso due to disturbed grain filling so many empty ears.
Blast develops rapidly in conditions of high humidity or a lot of rainfall, excessive use of nitrogen fertilizer is also a supporting factor for the occurrence of blast disease, the need for sufficient K nutrients (potassium) can make rice plants resistant and can suppress attacks of various diseases ... buddy how to control it can be done in cultivation techniques and control using the systemic fungicide, to more clearly the efforts that must be done as well as the active ingredient fungicide used can see friends in full video, congratulations listening hopefully the discussion is useful for you .. Thank you .. !!