very best remedy for rust on plants?

The very best today is a product called Ortho Garden Disease Control. It contains 29.6% "chlorothalonil", which is a broad spectrum fungicide. This product mixes easily and is applied easily and controls over 130 diseases and funguses on trees, shrubs, vegetables and lawn. It controls all types of rust. I have used this product for over 20 yrs and have virtually sprayed every type of tree, shrub, turf, and vegetable. It works great! If you do decide to use it, make sure that the temperature is not in the 90's or higher. The cooler the better. If it is too hot you may burn the leaves of some plants. Remember, the damage already caused by the rust is irreversible, and when you spray a fungicide, it will to a point, eliminate some of the existing fungus, but is better at controlling any further infection. You can pick this product up at any Walmart, Home Depot, or Lowes garden centers. Here is a link with info. Hope this answers your question.

http://www.ortho.com/index.cfm/event/ProductGuide....

**Billy Ray**

Rust On Plants

Plant Rust

There are more than 5,000 known species of rust on plants. The majority require two unrelated host plants to complete their life cycle (heteroecious) and others need only one (autoecious). Some rust fungi can produce up to five (5) different kinds of spores to complete its life cycle.

Rust can be easily identified. Rusty-yellow to bright orange spots form on leaves. These spots are actually filled with a powdery mass of spores and can be easily removed by scraping off the surface. On twigs of cedar, you will find galls with orange-gelatinous spore horns.

In the Midwest, the more common rust diseases include cedar-apple rust, cedar-hawthorne rust, and cedar-quince rust. Rust does not directly kill a plant but may contribute to its decline. It can cause defoliation, stunting, and branch dieback.

This spring, the Plant Disease Clinic has received rust samples on rose, buckhorn, and cedar. With a prolonged wet weather, we expect to receive more plant samples with rust problems. There is no single control measure for rust. If feasible clip infected leaves, twigs, and branches. Removal of any known alternate host plants within the vicinity may not be practical, since rust spores can be blown in great distances. Use rust-resistant varieties when available. Finally, some fungicides are labeled for controlling rust on certain plant species.

PS.......That is the official stance. From personal experience, go to your local garden center and get powdered sulpher. Mix about a half cup with water in a 3 gal. pump sprayer and soak them good. (add about teaspoon liquid detergent, it will coat and make the solution stay on the plants better). Good Luck.

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RE:

very best remedy for rust on plants?

experienced amateur or professional gardeners and arborists please tell me what's worked best/quickest for you on this particular plant disease. whole yard infected: lomabardy poplars, roses, oxalis.

I am not sure but have had good answers on HGTV, they have a show called the Gardner Guy and he gives good answers. Check out their web page. I think the show is called Garden By The Yard.