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Old August 5, 2016   #1
4season
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Location: albuquerque
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Default grape leafhoppers

After 25 years they appeared last year. I don't want to spray every few days to kill the newly hatched ones because adults will just fly over from the neighbors. He has enough problems, grapes are the least of his worries. Used the leaf vacuum on them and I think it sucked up a few. Will severely cut back the vines this fall. and spray to kill eggs hidden in the loose bark. Might even prune them properly after that.
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Old August 18, 2016   #2
berryman
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I've got them pretty bad and have for years now. A bad combination of grapes and hop vines has them livin in style.
One idea I heard years ago that I haven't tried yet is to get a flat board like some plywood, coat it with some oil (like used motor oil for instance), hold it up close to the vine and shake it. The hoppers jump out like they do and get stuck on the oil...game over. Seems like it would work.
Good luck
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Old August 18, 2016   #3
4season
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I think that sounds like a good idea. The poor vines are in bad shape but I think I will try it out of spite. I wonder if a yellow trap would be more efficient.
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