First, the end of the leaf spray liquid. At the end of the corn leaf stage, that is, in the big bell-mouth period, when the mosaic rate reaches 10%, 30% acephate EC or 50% phoxim EC 100-150 ml, 50-75 kg water, spraying On the upper stems and leaves of corn plants, corn borer larvae that injure the heart can be killed.
Second, the trumpet mouth drip pills. At the end of the corn leaf stage, 50% Phoxim EC 1 kg, 1.5 kg water, 150 kg of slag particles are sprinkled on the screen, sprinkled in the bells of the plants, and 4-5 kg ​​per mu.
Third, the liquid dot coating filament. Put 1500 times 2% Amylate in a plastic bottle with a thin plastic tube. After the pollination of the corn has ended, if the larvae have not been concentrated in the damage to the filaments, drop a few drops of the liquid on the base of the filament at the tip of the ear. Can kill larvae.
Fourth, the liquid perfusion tassel. In the male corn dew stage, 50% phoxim EC or 90% crystal trichlorfon 800 times, 10 ml per plant, perfused on corn tassels.
Fifth, cut flowers wiping mud. When the filaments become wilted after pollination, cut the filaments with scissors and bring them out of the field to reduce the risk of corn borer; then use 90% crystals of trichlorfon 50 grams, 10 kilograms of water, and 20 kilograms of medicine mud. Wiping on the cut silk can effectively prevent the damage of corn borer.
SHAANXI HAIBO BIOTECHNOLOGY CO., LTD , https://www.rozenbio.com