Tropical and subtropical fruits (2+1)

Physiological Disorders

Fruit cracking

• The whole fluctuations in diurnal temperature, heavy irrigation/rain after prolonged dry spell, hailstorms during fruit development, Boron deficiency causes injury to the fruit skin.
Avoidance of fruit cracking
• The field to be irrigated during fruit growth and in early summer.
  
• Spraying with 2, 4, D (10ppm), GA3 (20 ppm) and Boron (0.4 per cent) reduces fruit cracking.