Background, Current situation and management of the HLB and its ...
Background, Current situation and management of the HLB and its ...
Background, Current situation and management of the HLB and its ...
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Since 1974 1974, , leaf rollers <strong>and</strong> geometrid<br />
were controlled <strong>and</strong> organic chlorides were<br />
eliminated to be used, insecticides effective<br />
for psyllid were less sprayed, <strong>the</strong> psyllid<br />
population significantly increased <strong>and</strong><br />
followed by high incidence <strong>of</strong> <strong>HLB</strong> in 1978 1978-<br />
1982. Up to 1982, all <strong>of</strong> 960 thous<strong>and</strong> trees<br />
planted before 1972 had been destroyed.