Bonide® Copper Fungicide
Description
Copper-based fungicide for use in organic gardening. Helps suppress and control diseases like brown rot blossom blight, downy and powdery mildew, peach leaf curl, fireblight, rust, leaf spot, and more — for fruit trees, berry plants and vines, vegetables, and flowers. Ready to use. Label includes instructions for application as a dust or as a spray. Intended for use as a modern replacement for bordeaux.
Shipping Information
Questions & Answers
Once symptoms of leaf curl appear, it is too late to control the disease that season. Fungicides are not effective against this particular disease after budbreak. Prune your tree this fall, remove and destroy the fallen leaves and pruning debris, and then make your leaf curl application (as directed by the product label) while the tree is dormant.
I have only used it on very young trees (apple, pear, peach and cherry). I mix the powder iwith water in a spray bottle and spray the leaves and stems/trunk with the spray so that a thin layer of spray is left behind. When it dries it looks like a dusting of powder. If you use too much it will just wash off in the next rain, so that is not a big problem (except wasting the product/money). The product is essentially non-toxic, so it will harm other vegetation when it washes out, and it will not pollute waterways (unless you dump the whole container in a stream, but who would do that!). Too little (if you can't see the dusting at all when dry) will not give you protection. Good luck and happy peaches!
Yes, it can, and the oil actually helps the fungicide adhere to the leaves better than it would without the oil. The two will not interact in any harmful way.
There is no way to offer this information accurately because, depending on what you're spraying (apple tree, blueberry plant, etc.), the amount of product you use per gallon of water varies to a great degree. Take a look at the label here: http://www.bonide.com/assets/Products/Labels/l771.pdf
Take the bottle to your local vet’s they can answer that question better than I cat
Here's an answer posted by another customer: "I have used the copper fungiside to treat Fireblight on a pear tree. I have seen no sign of it hurting birds that love to sit in the pear tree."
I mix equal parts water and copper fungicide powder. Mix well and let it sit over night. It doesn't mix with water very well. Then use the chart on the liquid version of copper fungicide (2 oz fungicide to each gallon of water) to treat peach leaf curl. Needs to be done twice while tree is dormant and without leaves. (I spray Thanksgiving and Valentines Day here in the midwest) If the leaves are curling now, spraying probably won't help.
I recommend removing leaves with the worst spots and branches heavily effected. This should work on newly-infected leaves and branches if you get them early enough and apply it in larger quantities.
Dr F
Make initial application at silver tip. Apply every 5-7 days at green-tip. Do not apply after green-tip reaches 1/2”.
Copper octonate is the active ingredient and according to an EPA document
shows no degredation after 15 months of storage. Given that this is a pretty common copper chemical and as long as it's not baked in the sun and kept dry I would imagine that the powdered form in this product is stable for a long time. Direct sunlight and high humidity in the container could cause it to break down over time but I store mine sealed tight in its container in my shed and after two years it still seems to work fine. I hope that helps, God Bless!
Customer Reviews
Dick Shelp
New Castle Va.
March. Right before spring. I'm sure the coper fungicide will work fine. I will be pruning the trees in January then I'll will be spraying trees. Let's hope it will work. Think. Ron. Can't rat it till I try it.
LOOKS LIKE A VERY GOOD…
Copper Sulfate dust is what Weston Nurseries recommends for mildew on peonies, which we get every year. Stark says to apply when the peony shoots come up. I wish I had known that and could have if I…
My pear tree needs this
Will need it.