Copper Sulfate Spray For Fruit Trees

However if you must spray during the growing season use a diluted mixture of the fungicide as follows.

Copper sulfate spray for fruit trees.

Copper sulfate sprays are typically applied during the dormant season of the fruit tree which is generally in late fall or winter months. Copper spray is effective against a number of diseases that attack fruit trees. The university of california cooperative extension master. The best time to spay a plant with a copper sulfate fungicide is before leaf out in the spring or after leaf drop in the fall to prevent damaging the leaves.

Copper sulfate to 1 3 tbsp. However some sweet cherry. Or as a dust on ornamentals or vegetables. Copper spray has been used to treat fruit trees for many.

Spray guides repeatedly warn against using oil and copper after the dormant season. Most forms such as copper sulfate are approved for organic growers and can be used on your organic fruit trees. Basic copper sulfate is a powder. Peach leaf curl affects the shoots flowers foliage and fruit of peaches and nectarines.

Copper oxychloride or lime sulphur can be used as a coverall fungicidal spray for the likes of leaf curl and botrytis. Copper spray for fruit trees. No other adjuvants are necessary or recommended when applying copper products on tree fruits rosenberger said. As noted earlier bordeaux mixture is made by mixing copper sulfate and spray lime.

A 6 8 100 has 6 pounds of copper 8 pounds of hydrated lime and 100 gallons of water. Copper sprays are safe for most orchard applications when directions are followed. Each mix is usually identified with three numbers representing the amount of copper sulfate in pounds hydrated lime in pounds and gallons of water. With the fixed copper products there is no published evidence that adding spray lime for tree fruit applications will either reduce phytotoxicity or extend the residual activity of the copper.

Copper spray has been used to treat fruit trees for many years and is considered a staple to prevent disease. Bordeaux mixture is made by mixing copper sulfate and spray lime. It can be mixed with water as a spray for preventing diseases of fruit trees ornamentals small fruits and vegetables. Just don t use lime sulphur on apricot trees they re sensitive to sulphur.

If left untreated for. Hydrated lime to 1 gallon of water.