Magnesium Deficiency - Raspberry

Symptom description

Interveinal chlorosis occurs on older leaves first, but proceeds to younger tissues with ongoing deficiency. Severely affected plants show marginal and interveinal leaf scorch. Growth is moderately stunted.

Made worst by

Sandy soils. Acidic soils. Potassium rich soils. Soils receiving high potash applications. Cold wet periods.

Important for

Improved photosynthesis. Green healthy foliage. Reduced yellowing on older leaves.

Cause description

Magnesium deficiency Normal leaf level is 0.3-0.9% Mg. Deficiencies occur in light, sandy soils with low pH or high K resp. Al content. Cold, wet, cloudy weather may contribute to Mg undersupply. Symptoms of virus yellowing or K deficiency look similar.

Yara recommends

YaraVita MAGFLO 300

Raspberry: 4 l/ha at start of flowering and at 10 to 14 day intervals as necessary, up to 14 days before harvest. Water rate: 200 to 500 l/ha.

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 (4)

YaraTera KRISTA MgS

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 KRISTA MAG

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 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.