What kind of medicine does rice chironomid use?

Rice chironomid is a common pest of rice, the main harm is yellow, black and green Chironomus, so what kind of medicine can be used to control Chironomus?

I. the main harm of rice chironomid

Chironomus chironomus propagates a large number of larvae in rice fields, which seriously affects the development of rice roots. Rice chironomid larvae will harm the young roots and buds of rice and cause floating seedlings of rice. Chironomus larvae will also eat the embryo and endosperm of ungerminated rice seeds so that the seeds can not germinate and rice will suffer heavy losses.

What kind of medicine does rice chironomid use?

1. Use 10-15 grams of 90% crystal trichlorfon, add 10-15 kilograms of water, mix well, and spray it into the rice field when the water depth is about 4 cm.

2, or use 5% methyl mixed phosphorus granules for control, 1 kg per mu, mixed with 15 kg of sand.

In addition, after draining the field water, stop for one day and hang a small bag containing trichlorfon at the inlet for irrigation. when the irrigation water reaches 3-4 cm deep, stop the irrigation and block the inlet, which can also kill rice chironomid larvae after 12 hours.

3. Other control methods of rice chironomid

Rice chironomid can also be controlled by agricultural methods. Rice seedlings can be covered with film and planted early, which can also reduce the pest of rice chironomid and drain the field for 2-3 days, so that the larvae will be dried to death and further restrain the harm of rice chironomid.

In addition to rice chironomid, there are many other pests in rice:

1. Exogenous pests, such as brown planthopper, white-backed planthopper, rice leaf roller, armyworm and so on.

2. Endogenous pests, such as Chilo suppressalis, gray planthopper, rice thrips and so on.

These pests need to be controlled, and only by solving these diseases and insect pests can rice grow normally and its yield will not be greatly affected.