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Grape Vine issue

    4 responses

Kielvale starts with ...
Hi viewers. I recently planted a new Chambourcin vine.
It is looking rather unwell. The new growth is stunted and brown.
Unsure if it is over watered or has some other problem, or if it is normal.

I also planted an Isabella, It is looking great. Similar location and care.
Pictures - Click to enlarge

Picture: 1

Picture: 2
 
About the Author
Kielvale
MURWILLUMBAH,2484,NSW
21st December 2021 11:00am
#UserID: 28792
Posts: 2
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jakfruit etiquette says...
It looks a bit like thrips or mites. You may be able to see tiny bugs or larvae ??
Thrips often under the leaf on the veins.
Maybe Rust Mite ??

https://www.djsgrowers.com.au/agronomy-blog/2021/8/17/51vvwx8muimr5kcql58lsjpc2jid92
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jakfruit etiquette
gotham city,3000,Vic
22nd December 2021 9:42pm
#UserID: 5133
Posts: 915
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Kielvale says...
Due to the amount of rain we have had, I'm thinking Downy or Powdery Mildew.
it has also been very hot, intense sun and humid these last weeks.

I couldn't see any thrips or mites. But there is definitely some sort of disease on the vine.

I tried some Lime Sulphur at 50ml per litre. My vines are now looking very much worse for wear since I applied that Tuesday afternoon.
I will give them some time to recover and maybe try a copper based anti fungal.
About the Author
Kielvale
MURWILLUMBAH,2484,NSW
23rd December 2021 8:59am
#UserID: 28792
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Julie says...
Have a look at wsu2006 post from Dec 6 for a picture of Downy mildew. Yours look different.
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Julie
ROLEYSTONE,6111,WA
26th December 2021 8:17pm
#UserID: 154
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Julie says...
Here are some pics of powdery mildew.

https://www.google.com/search?client=firefox-b-d&q=powdery+mildew+images
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Julie
ROLEYSTONE,6111,WA
27th December 2021 10:49pm
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