How To Use Organic Pesticides
6. Horticultural oil
Sold under names such as Eco-Oil and PestOil, this horticultural oil is based on light plant oils, which smother insect pests. Direct contact is required. Do not spray when temperatures are over 32°C. Use on citrus leaf miner, whitefly, scale, mealy bugs, aphids, leafhoppers, bronze orange bugs and spined citrus bugs. Never spray within a month of using a sulphur-based spray.
7. Mineral oils
Apply these oils to fruit trees and grapevines before buds burst in spring to control scale insects, aphids, mites and leaf rollers.
8. Neem oil
Marketed under names such as Eco Neem, neem oil controls powdery mildew, aphids and mealy bugs.