Zinc deficiency made worse by

  • Organic soils
  • High pH soils
  • Soils rich in phosphorus
  • Soils receiving high phosphorus application
  • Cold wet conditions

Zinc is important for

  • Mostly important for enzyme activation, but also for synthesis of growth regulators
  • Major effect on banana plant growth, yield and quality
  • Zn is one of the most important micronutrients in banana production and deficiencies are widely reported