Newly emerging leaves are malformed.  Plants show shunted growth.  Chlorotic streaks appear perpendicular to the veins.  Incomplete leaf formation and inhibition of fruit and flower.  Deficiency of boron may results in reduction in weight and size of the bunch and it will effects the proper filling of the bunch.

Soil application of 20 g Borax per tree.  Borax acid 0.2% foliar sprays on 4th and 5th month after planting.