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George from Medford, Or writes

Can I apply Banner Maxx II Fungicide in direct sunlight?

I use Banner Max to treat black spot on my Rhaphiolepis. I was told to not apply in sunlight. Is this so the fungicide will be absorbed before evaporation? Or is there a photosynthesis effect? I sprayed today at 7:45 AM just as the sun was coming up.

Answer:

Banner Maxx II Fungicide should not be applied during the heat of the day when there is full sunlight as this is when plants are more stressed and will not absorb the product as readily as during less stressful times.  Early morning applications are fine.

Answer last updated on: 03/18/2019

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Banner Maxx II Fungicide

Banner Maxx II Fungicide

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