Shear corn ear top corn mash

The third generation of corn borer is the main pest in the corn ear stage, which not only causes serious reduction of production, but also makes corn moldy and affects quality.

Shearing time: Shearing should be performed when the summer corn has just been given flour and the filaments are dry. At this time, most of the larvae of the third generation and the fourth generation of cotton aphids are in the 1-2 age period and are concentrated on the top of the ear to damage the filaments; the third generation of the armyworm is at the age of 3-4 and also at the top of the ear. Harm the filaments.

Scissor cutting method: Put a bag on the back of the head and use a pair of scissors to cut the top 5 cm (ie, 1 cm of the rachis) at the top of the ear. Cut off the top of the ear into the bag and take it out of the field to destroy and kill. One of the pests.

Cutting head effect: Tests have proven that the control effect of cutting head on the earworm is as high as 70.5-100%, which can significantly reduce the damage of corn borer, and it can also be a good treatment for other pests such as armyworm and cotton bollworm. The trial also showed that cutting the ears of corn itself had no adverse effect on corn yield.