Treating bare root vines at planting with fungicide

[saddlebronze]

Does it make any sense to treat bare root vines at planting with fungicide? I have planted about 100 vines and have some spray left.

 

[grapeman]

Is that spray already made up? If so what is it?

 

[saddlebronze]

It's a bourdeaux mixture.

 

[grapeman]

I can't see any real advantage to unplanted vines. Maybe after they are planted it would do some good, but I am not sure how much.

 

[TicinoVintner]

Just make sure it's not too hot when you spray, preferably at dusk.


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[saddlebronze]

Thanks. I was just thinking spraying after I planted and before the leaves emerge. Just to get ahead of diseases in the new vineyard which is about 100 vines. I cant use the Bourdeaux mix after emergence since it leads to foliar injury

 

[TicinoVintner]

I've only heard that BDX cause damage if it's too hot regardless of the age, never heard of it damaging new vines but I could be wrong. That's why I always spray at dusk just to be safe. A safer alternative is nettle tea which also helps to improve sap flow and strengthen the plants own immune system.


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[saddlebronze]

Interesting, thanks.