Beet nightshade is best controlled by spraying during the egg hatching period, when the larvae are small, poor drug resistance, and have not yet drilled into the bracts easy to drug, it is best to spray in the morning or evening. You can use 50% of the high efficiency chlorpyrifos emulsion 1000 times liquid plus 50 of the phoxim emulsion 1000 times liquid, or 80% of the dichlorvos emulsion 1000 times liquid spray, the control effect are more than 85%. Can also be used 5% of the inhibition of Tai Bao emulsion, 5% of the card death gram emulsion or 75% of the agricultural land music emulsion 500 times or 5% of the night moth must kill emulsion 1000 times. Also spray control. The control effect of five days are more than 90%.