Copper Deficiency vs. Healthy Plant - Raspberry

Symptom description

Older leaves show interveinal chlorosis, sometimes followed by a faint necrosis. Marginal scorch spreads allover the leaf blade. Total growth is only moderately stunted. Very poor flowering and fruiting.

Made worst by

Organic soils. Chalky soils. Sandy soils. Reclaimed heathland. High nitrogen applications.

Important for

Component of enzymes. Important role in photosythesis and phenol metabolism of plants. Regulation of destructive superoxide radicals inside cells. Prevention of fungal diseases.

Cause description

Copper deficiency (right) Levels of 2-50 ppm Cu in leaf tissue are recommened. Cu mobility and uptake may be restricted by high soil pH and excessive P, Zn, and Al. Furthermore, Cu adsorption to Fe, Al and Mn oxides can be significant.

Yara recommends

YaraVita COPTREL 500

Raspberry: 0.5 l/ha applied early in the season before the start of flowering. Water rate: 200 l/ha.

Other recommended products (3)

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.

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.