Biological Control of Aquatic Weeds and Saltcedar

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Biological control is the intentional manipulation of natural enemies by humans for the purpose of controlling pests. Biological control of aquatic weeds is especially attractive because rivers and lakes are sensitive ecosystems important to wildlife and human health.

Biological control is most effective when used together with other compatible pest control practices in an integrated pest management program. Many control programs use a combination of techniques to deliver rapid control yet provide a longer-lasting cost effective control program. Mechanical control or herbicide control programs for aquatic weed can be combined with biological control to provide such a program. When combining techniques it is a good practice to maintain an otherwise uncontrolled area of plants for the insects to use as a nursery to establish and build up.


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