Vegetable Oil
Marijuana Horticulture
by Jorge Cervantes
Ingredients – Fatty acids and glycerides.
Controls – Lightweight vegetable oil kills slow moving and immobile sucking insects, spider mites, and their eggs by smothering as well as generally interrupting their life cycles.
Caution – Vegetable oil does not kill as well as horticultural oil.
Mixing – Mix two drops of oil spray – no more than a one percent solution – per quart of water.
Application – Spray foliage entirely, including under surface of leaves. Stop spraying two weeks before harvest.
Persistence – Several days.
Forms – Liquid.
Toxicity – Not toxic to mammals or fish.
Safety – Wear a mask and gloves.