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What are the control methods for the tobacco pear psyllid?
How to control the tobacco pear psyllid? The occurrence characteristics of the pear psyllid are many generations. The adult emergence period is long and generations overlap. Especially from late June to early July, the nymphs secrete a large amount of mucus, causing a large number of fallen leaves, which not only seriously affects tree vigor, but also reduces pear fruit quality, and it is difficult to control with general pesticides. Use tob...
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The Asian citrus psyllid is the only vector of citrus greening disease (Huanglongbing); how should it be controlled?
The psyllid is the only vector of citrus greening disease: how to control the psyllid on citrus