Calcium deficiency vs. healthy plant-Raspberries | Yara UK

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Nutrients

Raspberries - Spots

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency (right) Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Raspberries - Spots

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Raspberries - Spots

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Raspberries - Spots

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Raspberries - Spots

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Raspberries - Spots

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Raspberries - Necrosis

Symptoms
Mainly mature leaves display interveinal chlorosis with little white spots distributed irregularly on leaf blades. Starting from the margins leaves show a dull tint, wilt and become necrotic. Canes may get completely scorched. Fruit ripening is delayed.

Reasons
Calcium deficiency Calcium deficiency often occurs as a result of its low mobility in the soil and in the plant. The recommended leaf level is 0.6-2.5%.

Calcium deficiency vs. healthy plant made worse by

Acidic soils
Sandy or light soils (leaching)
Acid peat soils
Soils rich in sodium
Soils rich in aluminium
Drought conditions
Fruit high in nitrogen or potassium
Large fruit

Calcium is important for

Structure, stability and permeability of cell membranes
Regulation of enzyme systems
Alongside potassium responsible for regulation of stomata
Gives plants more resistance to biotic and abiotic stress
Proper development of leaves and fruit
Prevention of post harvest decay

Yara recommended fertilisers for Calcium

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.

Read more about YaraVita BUD BUILDER FL

YaraVita STOPIT

Raspberry: 3 applications of 10 l/ha at start of flowering, end of flowering and fruit development. Water rate: 500 l/ha.

Read more about YaraVita STOPIT

Other recommended products

YaraVita SENIPHOS

Raspberry: 3 applications of 10 l/ha. Start of flowering, end of flowering, and fruit development. Water rate: 500 l/ha