Triệu chứng The disease starts as small, oval water soaked spots on young leaves. Later they become white in the center with dark margin surrounded by yellow halos. Spots will enlarge, coalesce and form larger necrotic lesions. When most of the leaf is covered by the lesions, it will dry
Leaf Spot of Ginger
Nấm
Triệu chứng
The disease starts as small, oval water soaked spots on young leaves. Later they become white in the center with dark margin surrounded by yellow halos. Spots will enlarge, coalesce and form larger necrotic lesions. When most of the leaf is covered by the lesions, it will dry and eventually die off.