Q: Can you tell me what is wrong with the leaves on my Thompson seedless grape vine ? Are there grape leaf miners? What is the best pesticide to use to control these pests? A: I really did not see too ...

Question: We bought a small vineyard and have noticed that the whitish-yellow speckles and blotches on our grapevine leaves are looking worse and worse. Barb B., Placitas Answer: I had the pleasure of ...

Grapeleaf skeletonizer and grape flea beetle were found in the orchard during the last couple of days. These two pests damage grape leaves but few other plants. The skeletonizer is a bluish-black moth ...

Q: The leaves of my grapevines are being chewed up by a funny-looking caterpillar that I’ve never noticed before. I’m embarrassed for anyone to see how bad the vines look. How should I fight this ...

Q: I think it’s nearly time to begin pruning my grapevines (two Red Flame and one Thompson green) and seems like it’s a good idea to address last year’s pests. Although the photo shows the arbor in ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Charlotte Oliver, Colorado State University (THE CONVERSATION) Grape phylloxera, or ...

Q: The leaves of my grapevines are being chewed up by a funny-looking caterpillar that I’ve never noticed before. I’m embarrassed for anyone to see how bad the vines look. How should I fight this ...