Dormat spray - Knowledgebase Question

Newberg, Or
Question by TRoshak948
February 7, 2009
How often should dormat spray be applied to fruit trees, roses etc? Thanks....Tom


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Answer from NGA
February 7, 2009

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Dormant spray, also called Lime-Sulfur Spray can be purchased at any local nursery. It's considered one of the best organic defenses against diseases because the spray smothers over wintering spores and fungus. Because Dormant Spray can damage leaves and needles on trees and shrubs, you have to spray your fruit trees when they are dormant, before the buds have begun to open (bud-break). The spray can also damage surrounding evergreens and perennials, so it's advisable to cover any susceptible plants in the over-spray zone with a tarp. It's also important to choose a clear dry day, with no breeze and preferably above freezing.

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