Controls all whitefly stages from egg to adult

• Excellent whitefly control - controls all whitefly stages, egg to adult
• Powerful biological insecticide - contains spores of naturally-occurring fungus Isaria fumosorosea strain Apopka 97
• Available for use in Belgium, the Netherlands, France, Norway, Sweden and Finland

How does PREFERAL^® WG work

• Spores germinate and fungus penetrates and proliferates inside its host
• Grey-white mycelium is visible on outside of insect cadaver
• Infected hosts become deformed and turn brown