Grape Leaf desease or what?

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prissio

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Please check attached pictures i have new leaf comming out curl and looks like burnt.. the rest of the plant looks healthy and growing daily... my climate its very humid and sometimes windy but I take good care of my grapesvines.. dont know if this is normal or deseases or nutricion factor ???. they are cabernet y merlot planted in POT in my garden.

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Looks like herbicides - 2,4-D or Dicamba most likely. Did anyone spray around you recently? A neighbor treated their lawn or something?
 
I hadn't replied to your other post asking about this leaf. I really can't tell what it is from the picture. Not sure if it is insect damage or something else. How many leaves arelike this?
 
Thanks for the reply I hadn't had the chance to check on them today but it seemed the majority was on the top wire but there were a few affected lower and also on a couple other vines
 

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