Sophora japonica geometridThe Sophora japonica looper is a common pest of Sophora japonica. It is very harmful to the leaves and often eats all the leaves. The Sophora japonica looper breaks out many times every year, usually three times. June is the critical period for drug control. To deal with the Sophora japonica looper, the first thing to do is to eliminate the pupae, especially the overwintering pupae, to prevent them from hatching. Secondly, when the first outbreak of loopers is at its most vigorous, carry out drug control and use 3% hypertonic fenoxycarb for spraying. American white mothThe gypsy moth is a very harmful insect pest. Many overwintering gypsy moths will successfully emerge at this time, thus endangering the health of the plants. Every year, its harm is very serious. It is necessary to detect the epidemic and carry out prevention and control in a timely manner. Psoralea corylifoliaThe boxwood silk borer is a pest that often breaks out on plants such as boxwood and boxwood. It mainly harms the leaves of the plants, causing the plants to wither. When boxwood silk borer occurs, timely manual prevention and control is required, such as removing dead leaves and spraying pesticides in time. Dead leaves can be treated with 40% cypermethrin emulsifiable concentrate spray. |
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