Pesticides for Fruit Trees

Written by nicholas ramos
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Pesticides for Fruit Trees
Protect fruit trees from insects by using the appropriate pesticide. (overladen fruit tree image by Alfonso d'Agostino from

There are few things more discouraging for a gardener than seeing your fruit trees lose the battle against insects. No matter where you plant, there will always be some problem imposed by pests. Pesticides are used to kill dangerous insects while not harming the tree. Having information on pesticides for fruit trees will help you find the right pesticide for your gardening needs.

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Acetamiprid is a common pesticide used on fruit trees. A broad-spectrum insect killer, it kills more than 100 hundred species of insects. It protects trees for up to three weeks inbetween applications. The pesticide is mixed with water and is applied to the tree. Exact application depends on various manufacturers; some companies make a special applicator to fit the bottle while others require manual mixing and application. Follow the directions on the label for application. Acetamiprid can be found at home improvement stores and gardening centres.


Imidan 70-W is a powdered insecticide known for its effectiveness against pests that attack fruit trees. The common name of the chemical is phosmet and it kills insects through contact and ingestion. Imidan targets apple maggots, oriental fruit moths, mealy bugs and peach twig borers. Imidan is ideal for citrus, apple, Kiwi, nut, pome and stone fruit trees. It also can be used on grape, blueberry, and cranberry plants. Imidan is most readily available online.

Bacillus Thuringiensis

BT–bacillus thuringiensis–is an organic pesticide. Mimicking the chemicals found in the stomach of certain moths, the compound kills common fruit tree pests. Safe for mammals and non-target species, BT is popular in home gardens because it is safe for children and pets. Bacillus thuringiensis can be purchased at speciality garden centres. BT in pure form comes in a powder; it often is mixed with water or another liquid agent for easier application on plants. Exact application varies depending on the manufacturer, so follow label directions.


Malathion is a manmade organophosphate pesticide used to kill mosquitoes and insects that attack fruit trees. Malathion comes in a liquid form and must be applied using gloves and a mask. Exposure to high doses of malathion can affect the nervous system, according to the Cornell University Cooperative Extension website. This chemical should be kept away from pets and children. Malathion pesticides are found at speciality garden centres.

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