Management
- Remove all the affected tissue of
the crown region and drenching the crown with Copper oxychloride 0.25%.
Apply Bordeaux paste and protect it from rain till normal shoot emerges.
(Dissolve 100 gm of copper sulphate and 100 gm of quick lime each in
500ml. water separately and mix to form 1 litre of Bordeaux paste).
- Spray 0.25% Copper oxychloride or 1
% Bordeaux mixture on the crown of the neighbouring palms as a
prophylactic measure before the onset of monsoon. Palms that are
sensitive (Dwarf palms) to copper containing fungicides can be protected
by mancozeb. Small, perforated sachets containing 2 g of mancozeb may be
tied to the top of leaf axil. When it rains, a small quantity of the
fungicide is released from the sachets to the leaf base, thus protecting
the palm.