What are the main rice pests and diseases? A complete guide

Rice is one of the important food crops in our country, and also one of the most widely planted food crops. So what are the main rice pests and diseases? How to control them?

What are the main rice pests and diseases?

During the seed stage, it is susceptible to bakanae disease, rice blast, and bacterial leaf blight; during the seedling bed stage, it is susceptible to cottony rot, damping-off, small brown planthopper, rice thrips, and others; during the tillering stage, it is susceptible to rice blast, rice planthopper, and other diseases; during the heading stage, rice blast, rice planthopper, stem borers, and others are all pests and diseases that attack it.

How to control rice pests and diseases?

1. Control of rice leaf blast

When disease spots appear in the field, use 100 grams of 20% tricyclazole wettable powder, mix with 45 kg of water and spray for control; 15 ml of 30% Jiemiao emulsifiable concentrate, mix with 45 kg of water and spray for control; 200-250 ml per mu of 50% sulfur triazole, apply twice in succession, once every 5-7 days.

2. Control methods for rice bacterial leaf blight and bacterial leaf streak

When disease spots appear in the field, apply pesticide immediately for control. Choose from the following agents: 100 grams per mu of 25% Chuanhua 018 wettable powder, mix with 45 kg of water and spray for control; or use 2 packets per mu of agricultural streptomycin, mix with 45 kg of water and spray for control.

3. Rice sheath blight

The best period for control is the booting stage. Choose from the following agents: use 2 packets of validamycin per mu of rice, mix with 45 kg of water and spray for control; or use 40 grams per mu of 75% Daogu Wenkuling wettable powder, mix with 45 kg of water and spray for control; at the same time, 20 ml of 30% Jiemiao emulsifiable concentrate mixed with 45 kg of water can be used for spray control.

4. Rice thrips

Check promptly and eliminate rice thrips during the larval stage. Use 1500-2000 times dilution of 40% dimethoate emulsifiable concentrate per mu. After applying pesticide in both the seedling bed and the main field, a water layer must be maintained. After controlling rice thrips, apply a quick-acting fertilizer to promote the recovery of seedling and tiller growth.

The above is only an introduction to the control of some rice pests and diseases, for everyone's reference.