Rice blast is a devastating disease, and the prevention and control of rice leaf blast and rice blast are the major measures for prevention and control.
1. Prevention and treatment of leaf rice blast: When the field occurs, use 20% tricyclazole WP 100 grams, water spray 45 kg spray control; 30% Jiemiao EC 15 ml, watering 45 kg spray control, 50 % sulfur benzoate 200-250 ml / mu, even anti-secondary, once every 5-7 days.
2. Prevention and treatment of panicle blast: The best period for controlling rice blast is the break period, and the agent selection is: (1) 75% of tricyclazole WP with 30 grams of mu; (2) 40% of Fuji No.1 emulsion with mu 150 milliliters; optional two kinds of agents, water spray 45 kg control, even three times, every 5-7 days.