Nutrients

K Potassium
Mg Magnesium
B Boron
Cu Copper
Fe Iron

Plums - Cracking

Symptoms
New wood is rough and blistered. Old wood cracks and splits.

Reasons
Boron deficiency Symptoms are mostly found in the fruit or tree wood, with little sign of deficiency in the leaves unless the undersupply is severe.

Plums - Cracking

Symptoms
New wood is rough and blistered. Old wood cracks and splits.

Reasons
Boron deficiency Symptoms are mostly found in the fruit or tree wood, with little sign of deficiency in the leaves unless the undersupply is severe.

Plums - Deformation

Symptoms
Leaves can be misshapen, distorted, thick and brittle.

Reasons
Boron deficiency Symptoms are mostly found in the fruit or tree wood, with little sign of deficiency in the leaves unless the undersupply is severe.

Plums - Deformation

Symptoms
Leaves can be misshapen, distorted, thick and brittle.

Reasons
Boron deficiency Symptoms are mostly found in the fruit or tree wood, with little sign of deficiency in the leaves unless the undersupply is severe.

Boron deficiency made worse by

  • Sandy soils
  • Alkaline soils
  • Soils low in organic matter
  • High levels of nitrogen
  • High levels of calcium
  • Cold wet weather
  • Periods of drought

Boron is important for

  • Improves bud development
  • Improves flowering
  • Improves fruit set
  • Gives better skin finish
  • Reduces storage disorders