Chlorotic streaks, bluish green leaves. Leaf tips become chlorotic with streaks on either side of the midrib, followed by appearance of dark brown necrotic lesions on the leaf tips.  Leaves bluish green and leaf tip needle-like, while the leaf base appears normal. Tillering reduced.

Soil application CuSO4 at 1-5 kg Cu ha-1 or apply cupric sulfate solution as foliar spray.