Yates Conqueror spraying oil Organic 1 litre SKU: 138689 MODEL: 52418 Error. try again later You've successfully joined the club $ 29 .99 each Available on orders $50 to $1500. More info × Mitre 10 Variants Works by smothering action, coating pests and their eggs with a film of oil. Bio Gro organically certified Features and benefits Organic certified. Safe on fruit trees and roses. Makes 100l. Controls San Jose scale and other scales, mealy bug, European red mite, two spotted mite. For use on pipfruit, stonefruit, grapes, roses, ornamentals and indoor plants.