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Old 08-12-2012, 01:04 PM
 
Location: Raleigh, NC
479 posts, read 664,410 times
Reputation: 642
Default Grape vine parasites help

Hello, I have three issues with my muscadine grape vine. I was wondering if anyone had some insight on how harmful these are, and what I should do. Thanks in advance!

1. Strange scraggly lines in some leaves. They start shiny and barely noticeable, as shown in pic 1:



Then they turn into visible furrows as shown here:




2. Tiny ant-like bugs on some of the stems:




3. And this is the worst - a white, mucous slime that has attached itself to various places on the stems and leaves. It's not a mold because THEY BREATHE! If you look closely (in person) you can see the slime moving in and out like something is in there, just waiting to get out!

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Old 08-13-2012, 01:08 PM
 
Location: Florida
640 posts, read 574,614 times
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#1 and 2 are Leaf Miners. They don't usually do much harm.
As to the others, did you try a google for the terms you used?
You will likely find your answers there.
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Old 08-13-2012, 10:08 PM
 
2,065 posts, read 2,872,252 times
Reputation: 2539
Quote:
Originally Posted by OhZone View Post
#1 and 2 are Leaf Miners. They don't usually do much harm.
As to the others, did you try a google for the terms you used?
You will likely find your answers there.
Agree that it is leaf miners in the first 2 pictures and they aren't considered harmful, just ugly looking leaves result from their activity.

Picture 3 looks like ants milking a group of aphids for their honeydew. A strong stream of water will help loosen both from the stem. If the aphids come back you may need an insecticide to get rid of them.

The white "gunck" sure looks like slime mold. The only other creature that might look like that are spittle bugs which excrete foamy bubbles as a kind of cover to make them harder to see for predators and protects them somewhat from insecticides. A strong spray of water every so often from the garden hose should remove them.
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Old 08-14-2012, 04:49 AM
 
Location: Raleigh, NC
479 posts, read 664,410 times
Reputation: 642
Quote:
Originally Posted by OhZone View Post
#1 and 2 are Leaf Miners. They don't usually do much harm.
As to the others, did you try a google for the terms you used?
You will likely find your answers there.
Leaf miners! Thanks!

Last edited by MrsRhythm; 08-14-2012 at 05:07 AM..
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Old 08-14-2012, 04:51 AM
 
Location: Raleigh, NC
479 posts, read 664,410 times
Reputation: 642
Quote:
Originally Posted by J&Em View Post
Agree that it is leaf miners in the first 2 pictures and they aren't considered harmful, just ugly looking leaves result from their activity.

Picture 3 looks like ants milking a group of aphids for their honeydew. A strong stream of water will help loosen both from the stem. If the aphids come back you may need an insecticide to get rid of them.

The white "gunck" sure looks like slime mold. The only other creature that might look like that are spittle bugs which excrete foamy bubbles as a kind of cover to make them harder to see for predators and protects them somewhat from insecticides. A strong spray of water every so often from the garden hose should remove them.
Thank you so much! I haven't been as concerned about the leaf issues but the slime was a new one that I just found yesterday. It really freaked us out to see it breathing! Thanks for the terms you used, because despite my GOOGLING yesterday I did not find help - your post will help me find out more if I choose to do so. But sounds like the garden hose will be my best tool. Thank you again!
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Old 08-14-2012, 08:53 AM
 
Location: Visitation between Wal-Mart & Home Depot
8,310 posts, read 19,916,152 times
Reputation: 6605
With regard to #2:

My muscadines presented with the same insects on all new growth. I bought a ridiculously expensive tub of ladybugs and let my kids release them at the respective bases of my muscadine plants. That was REALLY big fun for them. It worked, too. Those ladybugs scoured everything off of the vines.
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