The difference between rice and barnyardgrass

Rice is a cereal crop, which is widely planted in China, but weeds such as barnyardgrass always appear in the field. In order to prevent it from competing with rice for nutrients, it needs to be removed. But they look alike and people can't tell them apart. Here is the difference between rice and barnyardgrass.

I. the difference between rice and barnyardgrass

Difference 1, the attribute is different: barnyardgrass and rice are Gramineae plants, but rice is an annual herb of rice, barnyardgrass is an annual herb of barnyardgrass.

Difference 2, the leaves are different: the leaves and veins of rice are all green, the leaves are rough, there are ligules, auricles, and fine villi grow on the osseous nodes of the auricles (that is, ligules). Barnyardgrass has green leaves, deeper than rice, white veins, smooth leaves, no ligule and auricles.

How to get rid of barnyardgrass?

Method 1. Pull it out by hand: in the early days, this grass grew with rice, but it was not removed when it was arched, and it grew in the gap between rice and rice, so it was difficult to get rid of it. It may be confusing at first, but it will be easier to tell when it is a little older. By distinguishing barnyardgrass from rice, you can pull up barnyardgrass by hand.

Method 2. Pesticide: 2-4 days after sprouting and sowing, bensulfen propachlor (plus safety agent), pyramidal propachlor (plus safety agent) and prochlor (plus safety agent) can be sprayed with water; after 2.5 leaf stage of rice, water spray such as dichloroquinolinic acid, dichloroquinolinic acid and dichloroquinolinic acid can be used, and pentafluorosulfonamide (Daojie) can be sprayed with water in case of serious occurrence.