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Timely Control of White Peach Scale on Cherry Trees
White peach scale on cherry trees is mainly found in cherry-growing areas and occurs commonly. Because the current climate is suitable and field humidity is relatively high, it has occurred quite severely in some fields. The damage has already caused leaves to basically fall off, and the pest population is extremely dense; up close and from a distance it looks completely white. It is estimated that the first-instar nymph stage of white peach scale should be around the end of September. The first-instar nymph stage is the best time to carry out spray control. Growers should strengthen field inspections and apply pesticide control immediately if infestation occurs, keeping the pest population base below the allowable economic level. Control methods
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Timely Prevention and Control of Poplar Bacterial Canker and Poplar Bark Rot
Poplar bacterial canker and poplar bark rot are mainly distributed in Northeast China, Northwest China and North China, and are common and frequently occurring diseases of poplar in shelterbelts, timber forests and urban and rural landscaping in northern China. Poplar bacterial canker and poplar bark rot are world-renowned and important poplar trunk and branch diseases, and are also common and frequently occurring diseases. Their transmission...
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