Ask a Question forum: Fruit Tree sprays

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Name: Greg Bogard
Winston-Salem, NC (Zone 7a)
Sscape
Mar 17, 2018 6:47 PM CST
Can Bonide 32 oz. Citrus, Fruit and Nut Orchard Concentrate Spray and Spectracide Immunox Fungicide for Gardens be mixed and sprayed on together? What are the best sprays to combat insects and fungus that attack peach trees?
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Mar 17, 2018 8:24 PM CST
I grew up in Peach country in the Central Valley of California. The farmers there always used (so I did too) a mixture of Copper Sulfate and Horticultural oil. Make sure you find liquid Copper Sulfate as the powder never really mixes well and clogs the sprayers. You have to constantly agitate the oil/copper solution to keep it in solution or you can add an emulsifier.

Never use this mix in warmer months or you will damage or kill your trees.

Both the products you mention are for use in the warmer months for killing insects, not over-wintering eggs. Hmmm... maybe that was your question. I assumed, because I am looking at a foot of snow outside, that you were spraying dormant spray. Sighing!
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Name: Greg Bogard
Winston-Salem, NC (Zone 7a)
Sscape
Mar 18, 2018 6:46 AM CST
Hey Daisy,
Thanks for the reply. The question is whether the two that I mentioned would safely mix together so that they can both be applied in a single spray. Or, would they react with each other to make something that would be dangerous to the life of the tree---or precipitate each other into a clumpy, unsprayable mess.
During the cold months I plan to use Neem Oil. It has both insecticidal and fungicidal properties.
Name: Rick R.
near Minneapolis, MN, USA zon
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Leftwood
Mar 18, 2018 4:39 PM CST
Never mix any chemicals (including fungicides and insecticides) together unless it says so in writing in reputable literature (like the product label or a university site).
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
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DaisyI
Mar 18, 2018 5:10 PM CST
I agree with Leftwood, read the label and if it doesn't say you can mix them, don't do it. You have to worry about more than the survival of your tree.

Have you tried spraying Neem oil in cold weather? The label says don't spray when its hot, cold or sunny. I understand sunny and hot (you will burn your plants) but cold... I know its practically a solid in the refrigerator so I wonder if it will clump out of suspension in your sprayer.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

Webmaster: osnnv.org
Name: Greg Bogard
Winston-Salem, NC (Zone 7a)
Sscape
Mar 18, 2018 5:32 PM CST
Hey All,
I never mix chemicals if I do not know what the consequences will be. I just thought that others might have knowledge and practical experience putting these two together.
Cold here is not that bad. Our weather is really up and down in the Spring, but there are days that are warm enough to spray Neem on.
Thanks for the feedback.

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