Insect Pests in Greenhouse and Nursery Crops - Utah Pests - Utah ...
Insect Pests in Greenhouse and Nursery Crops - Utah Pests - Utah ...
Insect Pests in Greenhouse and Nursery Crops - Utah Pests - Utah ...
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Pest Thresholds<br />
◘ Economic<br />
◘ Pest density when<br />
economic losses are<br />
reached (po<strong>in</strong>t when<br />
value of crop loss<br />
exceed cost of treat<strong>in</strong>g)<br />
◘ Aesthetic<br />
◘ Pest density that causes<br />
unacceptable visual<br />
<strong>in</strong>jury<br />
Thrips <strong>in</strong>jury to leaves &<br />
flower petals
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