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Background, Current situation and management of the HLB and its ...

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4. Psyllid control control.<br />

Strictly control psyllid in a large area by<br />

insecticides is <strong>the</strong> most important procedure for<br />

<strong>HLB</strong> control control. .<br />

In general, <strong>the</strong>re are 11-2<br />

2 insecticide sprays in<br />

<strong>the</strong> period between after picking <strong>and</strong> before spring<br />

sprout, <strong>and</strong> each 11-2<br />

11-2<br />

2 sprays in spring, summer <strong>and</strong><br />

autumn growth period.<br />

Organic phosphorus insecticides are usually<br />

used, in recent years, o<strong>the</strong>r than chlorpyrifos,<br />

phoxim etc. imidacloprid <strong>and</strong> thiamethoxam<br />

(Actara) are also used.

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