Insect management in onions
Insect management in onions
Insect management in onions
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<strong>Insect</strong>icide Resistance is an Issue<br />
• Onion maggots are resistant <strong>in</strong> some fields<br />
– Resistance likely to occur with cont<strong>in</strong>uous exposure<br />
– Trigard has performed poorly <strong>in</strong> some fields; resistance never<br />
confirmed, but suspected<br />
• Resuscitat<strong>in</strong>g Lorsban (and Trigard)<br />
– Maggot populations may become controllable with Lorsban<br />
after elim<strong>in</strong>at<strong>in</strong>g exposure of population to it for a several<br />
years<br />
• No new effective products on the horizon - lack<br />
of <strong>in</strong>terest from companies to pursue new<br />
registrations for onion maggot control<br />
– Imperative to preserve the useful life of Sepresto and FarMore<br />
FI500.
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