Zinc Deficiency in Canola

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Nutrients

Canola - Chlorosis

Symptoms
In their intercostal area, leaves show chloroses with white to pink necrotic patches. A narrow margin along the leaf veins remains green.

Reasons
Zinc deficient plants. Generally, oilseed rape is not sensitive to zinc deficiency.

Canola - Deformation

Symptoms
Growth of Zn deficient plant is severely stunted - habitus is dwarfed, with some single flowers. Habitus of the whole plant is rosette-like, the leaves remain small and dark green. No formation of flowers or pods at severe deficiency. Older leaves show chlorosis and starting necrosis towards the leaf tips and margins.

Reasons
Zinc deficient plants. Generally, oilseed rape is not sensitive to zinc deficiency.

Canola - Deformation

Symptoms
Growth of Zn deficient plant is severely stunted. Older leaves show whitish chlorosis along the margin margins, the lowest ones express a white mottling and leaf blade deformation.

Reasons
Zinc deficient plants. Generally, oilseed rape is not sensitive to zinc deficiency.

Zinc deficiency made worse by

Organic soils
High pH soils
Soils rich in phosphorus
Soils receiving high phosphorus application
Cold wet conditions

Zinc is important for

Proper formation of flowers and pods
Oilseed rape is not sensitive to Zn deficiency

Yara recommended fertilizers for Zinc

YaraVita® GLYTREL™ZnP

Canola: 1 to 3 l/ha from the 3 to 6 leaf stage. For moderate to severe deficiency, repeat once or twice at 10 to 14 day intervals up to the start of flowering. Water rate: 30 to 200 l/ha. Colza: 1 to 3 l/ha à partir du stade 3-6 feuilles. Répéter une ou deux fois en cas de déficience modérée à sévère à intervalles de 10 à 14 jours plus tard au stade début floraison. Volume d'eau : 30 à 200 l/ha.

Read more about YaraVita® GLYTREL™ZnP