Slower growth, shedding of leaves at blossom tine. New shoots poorly attached to twig. Smaller leaves, twigs die peak, scorching of leaf tips, small brown resinous spots on leaf. Small wrinkled spotted leaves. Small fruits, thin peel. In mandarin – yellowing and bronzing of leaves become twisted, wrinkled and spindy twigs.

Foliar spray of KNO3 2% at fortnightly interval. Application of 200g N, 100g P2O5 and 200g K2O / tree/year.