Boron deficiency vs. healthy plant-Raspberries

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Nutrients

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.

Causes
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.

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.

Causes
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.

Causes
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.

Causes
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.

Causes
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.

Causes
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.

Causes
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.

Causes
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.

Boron deficiency vs. healthy plant 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 fertilisers for Boron deficiency

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.

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.

Other recommended products

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 GREEN 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.