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Downy Mildew of Grape

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Grape

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Downy Mildew of Grape - Grape

Grape Grape

T

Wath causes this, prevention?

On Otello grape leaves both side pale green amorphous spots.

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A

Hi Trnka Balázs ! It looks like Míldio da Videira . Have you noticed any mold under the leaves ?

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T

Not yet and the spots are smaller than mildew on the picture.

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B

Its healty now. Before that small black spots appered and after you sprays some fungicide and then small black spot removed and appearing like this

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T

No black spots. Maybe chlorosis? If it is, wath next: Zn Fe Ca Mg ... , which formula? Now08.25. the same picture again, i sprayed Scudo+Megafol.

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