The difference between barnyardgrass and rice

Barnyardgrass is a malignant weed in rice fields. It absorbs nutrients in rice fields together with rice, and farmers need to remove them. However, its shape is so similar to that of rice that many people can't tell it apart. Here is the difference between barnyardgrass and rice.

I. the difference between barnyardgrass and rice

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

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

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.