Nutrients

N Nitrogen
P Phosphorus
K Potassium
Mg Magnesium
Ca Calcium
S Sulphur
B Boron
Cu Copper
Fe Iron
Mn Manganese
Mo Molybdenum
Zn Zinc

Raspberries - Chlorosis

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Chlorosis

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Chlorosis

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Chlorosis

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Chlorosis

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Deformation

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Cracking

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

Raspberries - Chlorosis

Symptoms
Stunted growth, misshapen leaves, poor fruit set. Mature leaves show interveinal chlorosis with subsequent scorching of canes. Splitting of stems may occur occasionally.

Reasons
Boron deficiency (right) Boron deficiency can also be induced by low water uptake or other nutrients such us Ca, K, N or P. Leaf levels of 20-80ppm are normal. Oversupply may cause B toxicity.

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

Yara recommended fertilizers for Boron

YaraVita BORTRAC 150

YaraVita BORTRAC 150

Raspberry (field grown): Two applications of 1 l/ha applied at green bud and white bud. Also, 2 l/ha post-harvest. Water rate: 200 to 500 l/ha. Raspberry (protected crops): Two applications 0.1 litres per 100 litres water maximum concentration. Applied at green bud and white bud, also post-harvest. Water rate: 1000 l/ha maximum.

Read more about YaraVita BORTRAC 150

Other recommended products

YaraVita BUD BUILDER FL
Raspberry: 5 l/ha applied from green bud to just prior to start of flowering. Also, 5 l/ha post-harvest, pre-leaf senescence. Water rate: 200 to 500 l/ha.
YaraTera KRISTALON BLUE LB
Raspberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera KRISTALON RED
Raspberry (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced for protected crops using the Yara Fertigation Plan, for more details contact your local Yara area manager.