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grape disease

Grape    Iran

my orchard located in Mountainous area and some of grapes are infected. what can cause this?


Posted by: lordss (1 point) lordss
Posted: May 28, 2019




Answers

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Welcom back Lordss. These pictures are not sufficient. You need to provide close up image please.


Posted by: David Hughes (54 points) David Hughes
Posted: May 28, 2019


lordss commented,
Hi professor, thanks for your attention, the close up images sent.
about 1 year ago.



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