Symptoms generally consist of chlorotic tissue extending across the leaf on both sides of the midrib. The colour varies from yellow-green to white, and in some cultivars a pinkish tinge may develop. The areas range from narrow stripes on each margin of the leaf to bands 50 to 100 mm broad(Fig. 43). The chlorotic bands are positioned near the base of the older leaves and progressively closer to the tips of the successively younger leaves. indicating that the injury occurred in the spindle before the affected leaves unrolled. injury inusually caused by low temperatures and the presence of free water in the spindle