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No 3. 2000
Black Cutworm Control
The results of several studies can be used to modify
cultural control methods of the black cutworm.
· - If mowing can be initiated prior to dawn when the larvae
are most actively feeding on the surfaces of the putting green,
the shearing effect of the reel to bedknife
could surely make a mess out of the little creatures.
- Clipping removal, not only putting greens and collars
but surrounding aprons as well, may help to reduce surrounding
larvae populations. But remember,
the black cutworm larvae are mobile, so disposal of the clippings
should take place away from highly
managed bentgrass turf.
- Timely topdressing of putting greens may also reduce
the number of black cutworm larvae.
Chemical control is the other means of reducing populations of
black cutworms; many products are labeled for its control. Because
the activity of the black cutworm is primarily in the pre-dawn
hours, pre-dusk applications of insecticides may prove to be more
efficacious. Applied in this manner, compounds would be less susceptible
to photodegradation by the sun and volatilization. As always,
read, understand and follow label instructions on any pesticide.
* See also Pest Bulletin -
June 13, 2002 - Black Cutworms
(Luke Cella, Tom Voigt and Bruce Branham)
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