Combination products must be used
1: Pyridaben + Abamectin + mineral oil combination, used when the temperature is low at the beginning of spring.
2: 40% spirodiclofen + 50% profenofos
3: Bifenazate + diafenthiuron, etoxazole + diafenthiuron, used in autumn.
Tips:
In a day, the most frequent time of red spider activity is from dusk to dark every day. Killing red spider during this time period is the most direct and effective.
■ Once you see a red spider, you must take the medicine in time. If the red spider breaks out, you must insist on taking the medicine. After spraying the medicine, you should spray the medicine again after 5~7 days, and use it for 2~3 rounds in a row to avoid the red spider egg hatching. Rotifer infestation.
■ Starscream eggs are generally laid on the back of leaves and in the grooves of branches, which is not conducive to pesticide coverage. Therefore, you must be careful and careful when spraying pesticides.
■ The most important point is that the medicine must be rotated to fight Starscream, even if the effect of one medicine is not as good as that of the other, it must be rotated.