What are the common diseases and insect pests of rice? How to prevent and cure it?

Rice has been the staple food for people since ancient times, and a large number of farmers grow rice every year. If rice is infected with diseases and insect pests, it may cause a reduction in yield, so what are the common diseases and insect pests of rice? How to prevent and cure it?

1. Control methods of rice blast

1. Control of rice leaf blast: when disease spots appeared in the field, 100 grams of 20% tricyclazole wettable powder was sprayed with 45 kg of water; 15 ml of 30% clean seedling EC was sprayed with 45 kg of water, and 50% sulfonazole was 200 kg 250 ml / mu. Twice, once every 5 or 7 days.

2. Prevention and control of rice panicle blast: the best time to control rice blast is the breaking stage, and the medicament selection is: 75% tricyclazole wettable powder with 30 grams per mu, or 40% Fuji No. 1 EC with 150 ml per mu; one of the two agents is sprayed with 45 kilograms of water, even for three times, once every 5 to 7 days.

2. Control methods of rice white leaf blight

When disease spots appear in the field, immediately apply pesticide control, medicament selection: 25% Chuanhua 018 wettable powder mu with 100 grams, 45 kg of water spray control, or agricultural streptomycin mu with 2 packets of 45 kg water spray control.

3. Control methods of rice sheath blight

The best period of control is booting stage. Medicament selection: Jinggangmycin 2 packets per mu of rice, spray control with 45 kg water, or spray control with 75% rice Quwangkuling wettable powder 40 grams per mu and 45 kg water; at the same time, 30% clean seedling EC 20 ml mixed with water 45 kg spray control.

IV. control methods of rice false smut

Rice false smut mainly occurs in the late growth stage, the control period should grasp the booting stage or heading stage, medicament selection: (1) Jinggangmycin 2 package with 15% strychnine 100 grams, 45 kg spray control with water; (2) 30% clean seedling EC 25 ml with water 45 kg spray control. (3) 70% Nasjin WP is sprayed with 40 grams of water and 45 kilograms of water per mu.

5. Control methods of rice planthopper

Rice planthopper mainly lives at the base of rice bushes and absorbs plant juice to yellowing rice plants and affecting yield. Control agents can be selected: 25% Youlode wettable powder 30 grams per mu; or 25% aldicarb wettable powder 100 grams per mu, 45 kg water spray control; you can also use 20% aphid mu EC with 100 ml water 45 kg spray control. It can also be controlled by spraying 30 g / mu of imidacloprid or 10% imidacloprid with 45 kg water.

VI. control methods of rice borer

Rice borers cause withered hearts or white ears after harming rice, and control agents are selected: using 98% Batan raw powder per mu of rice with 30 grams of mixed fine soil and 25 kilograms of fine soil, or spraying 50% wettable powder of 80 grams of rice with 45 kilograms of water per mu; at the same time, it can also be sprayed with 150 milliliters of 25% quinathion EC and 45 kilograms of water.

The cultivation of rice needs to pay attention to the prevention and control of diseases and insect pests, so that it can grow better. I hope everyone can get a good harvest.