Boron

Deficiency Symptoms:

Yellowish of the tips of the leaflets oldest leaves with prominent pink veins. Yellow spots then enlarged. Yellowing of the tips of lower leaves and brittleness of the leaflets and petiolues. Yellow leaflet tips became dry and brown. Leaf margins remained free from such browning. Severe deficiency led to stiff, thick and shortened stems, death of the growing points and development of yellow, brown and purple areas on leaf. Uneven ripening and development of corky pits in fruits.

Foliar spray Borax 0.3% twice at fortnightly interval or soil application Borax 20 kg/ha.