Prevention of rice outbreaks
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Strengthen the cultivation and management of post-disaster rice fields: Drain and raise seedlings in flooded rice fields, and wash seedlings when draining. For post-disaster growth of weak rice seedlings, fertilizer can be applied to the root (usually potassium dihydrogen phosphate plus a small amount of urea spray evenly), in order to improve plant disease resistance and speed up the recovery of plants.
Prevention of Bacterial Diseases in Rice: Central and southern areas of our province are frequent areas of bacterial leaf blight and bacterial leaf blight, and rice fields flooded in this typhoon in Wenzhou and other places have been or have been or have been Bacterial diseases in paddy fields and surrounding plots should be applied 1-2 times immediately, and prevention and control should be performed for plots that have been onset or have emerged as new disease centers. The agent can be selected from 20% locust bacilli suspension 100-120 g/mu, or 50% bactericidal king (chlorobromine isocyanuric acid) soluble powder 40-50 g/mu, or 20% Ye Qingshuang WP 100-120 g / Mu 40-50 kg of water spray. In addition, farmers in the prevention of bacterial pests or other pests, we must use 5% Jinggangmycin agent (250-300 ml mu) and rice sheath blight.
Prevention of rice leaf roller, aphid, and rice planthopper: The vertical leaf leafhopper can use 40% chlorpyrifos (Lossburn, Xinnongbao) 70% l or 35% vertical volume per mu when there is a small amount of insects in the field. Clear (alkatomethyl toxin) WP 80 g, or 21% San Rui EC 60-70 ml water 45-50 kg spray control; When a large number of vertical roll leaf locust in the field, can use 15% triazophos micro mu Emulsion 100 ml plus 5% fipronil suspension 10-15 ml control. The second crop can be sprayed with 5% fulginite suspension agent 40-45 ml water and 45-50 kg spray per acre. Rice planthopper can be added to 10% imidacloprid wettable powder 20 grams/mu when curing other pests.
Safe medication: At present, the temperature in our province is relatively high. When farmers use drugs to control pests and diseases, they should try to avoid the use of highly toxic pesticides and avoid spraying at high temperatures. It is generally advisable to spray after the dew has dried before 9 o'clock in the morning or after 4 o'clock in the afternoon. Pay attention to labor protection when spraying and prevent pesticide poisoning accidents.