The 2 entries in Laisha's encyclopedia that attack Onion & shallot, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.

Growing Onion & shallot? The free Onion & shallot grow guide covers the crop from sowing to harvest.

Insect pests

• Onion thripsThrips tabaciInsect · A tiny thrips that rasps the surface of onion, garlic and leek leaves, leaving silvery streaks that reduce…

Oomycete diseases (water moulds)

• Damping-off of seedlingsPythium aphanidermatum and other soil-borne pathogensOomycete disease · Damping-off is the death of seeds and young seedlings caused by soil-borne water moulds and fungi, above all…