Introduction” and “augmentation” are two forms of active biological control. Whi
ID: 288720 • Letter: I
Question
Introduction” and “augmentation” are two forms of active biological control. Which of the following statements about biological control is inaccurate.
Introduction involves importation of non-native species into an area but augmentation involves releases of species likely already present to enhance their abundance.
A permit from the USDA APHIS is required for augmentation of natural enemies.
Augmentation and introduction can be implemented through inundative release of a natural enemy.
Inundative methods assume that no reproduction of the natural enemies are likely to occur following their release.
Allowing native vegetation surrounding fields to flower will enhance the potential for success of inundative releases of natural enemies.
A.Introduction involves importation of non-native species into an area but augmentation involves releases of species likely already present to enhance their abundance.
B.A permit from the USDA APHIS is required for augmentation of natural enemies.
C.Augmentation and introduction can be implemented through inundative release of a natural enemy.
D.Inundative methods assume that no reproduction of the natural enemies are likely to occur following their release.
E.Allowing native vegetation surrounding fields to flower will enhance the potential for success of inundative releases of natural enemies.
Explanation / Answer
The statement D is incorrect because inundative method which is an augmentation technique of biological control assumes rapid reproduction of the natural enemies following their realease. Otherwise natural enemies would not be considered fit as the biological control agent. Inundative method involves the massive production and release of natural enemies to control the pest quickly. so reproduction has to happen in this case.
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