Fungus attacking Afghan opium

Opium, like any other crop, is prone to pests and diseases, and a fungal disease is making a big dent in this year's production. One wonders how well studied the fungal diseases affecting drug crops like opium and cannabis are. Farmers, of course, blame NATO and its anti-drug operations, saying that it looks like a white powder sprayed from the air, while officials deny any responsibility for the outbreak.