Bugs can devastate grapevines, according to the University of Kentucky. While insecticides are available to control existing problems, consistent monitoring and certain prevention techniques can help avoid serious issues with pests.
The first step in controlling a pest problem on grape vines is identifying which bug--or bugs--are wreaking havoc. The grape root borer can be extremely destructive, while the grape cane gallmaker rarely damages the fruit. Research the myriad of bugs--and the signs they leave behind--that may be damaging your grape leaves before attempting treatment.
Certain generalized techniques can help reduce a variety of bugs, according to the University of Kentucky. They may be helpful in identifying the culprits. Remove or bury leaf litter from below the vines during the winter as they can provide shelter for pests. Also eliminate weedy or trashy areas around the vineyard. These spots provide overwintering habitat for bugs.
Carefully monitory the ends of vineyard rows and rows close to wooded areas, advises the University of Kentucky. These are often the places pest issues first develop and/or have the worst problems. The base of vines--particularly in the summer--are also good places to look. Growers should monitor and record problems regularly.
- Photo Credit Grapevine image by Tomasz Pawlowski from Fotolia.com
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