What drugs can control rice leaf rollers?

What are the hazards of rice leaf roller? Which medicine can control rice leaf roller? Please introduce the planting network to sort out the harm of rice leaf roller and the methods of chemical control, which are listed below for netizens' reference. The harm of rice leaf roller: Cnaphalocrocis medinalis, also known as rice leaf roller, commonly known as green worm, white leaf worm, leafworm, etc., is the main pest in the growing period of rice. The pest harms rice with larvae, affixes the leaves into a longitudinal bud, hides and eats the upper epidermis and mesophyll, and the symptom is that only the white lower epidermis is left in the damaged leaves. When the paddy field has a high population density, white leaves can be seen in the field, which seriously affects the normal growth, development and yield of rice. if it is light, it will reduce the yield by 20%, and if it is heavy, it can reach 50%. Therefore, chemical control must be strengthened in order to effectively reduce the harm. The rice leaf roller can be selected with reference to the following methods: use 5% fipronil suspension 40 ml or 5% fipronil suspension 25 ml + 20% triazophos EC 60 ml or 35% spike EC 80 ml or 35% vertical curl clear wettable powder 80ml 100g or 20% green defort microemulsion 50ml or 98% Batan wettable powder 40g or 40% Pole milk Oil 60ml or 40% Chlorpyrifos EC 75ml 100ml (used during egg hatching peak) or 40% NNICC EC 60ml and so on. Control time: pay attention to grasp the control index, that is, if there are 20 larvae per 100 clumps of rice or 3000 new buds per 100 square meters (mu) and more than 15 larvae before and after booting stage, it should be sprayed in time. The usage of the pesticide: the paddy field was evenly sprayed with 50 kg of water during the peak period of the young larvae. Click to get more Pesticide Application techniques click to get more Pesticide Application techniques click to get more Rice planting techniques