Zinc deficiency | Oilseed rape

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Nutrients

Oilseed Rape - 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.

Oilseed Rape - 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 commencing necrosis towards the leaf tips and margins.

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

Oilseed Rape - 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 ZINTRAC 700

Oilseed Rape: 1 l/ha at the 4 to 9 leaf stage. Water rate: 200 l/ha.

Other recommended products

YaraVita CROP BOOST

Oilseed rape: For a single application, 5 l/ha at the onset of stem extension. For moderate deficiency, 5 l/ha at 4 to 6 leaf stage and at the onset of stem extension. An extra application can be made 10 to 14 days later for severe deficiency. Water rate: 200 l/ha.

YaraVita MANCOZIN

Oilseed Rape: 1 l/ha at the 4 to 6 leaf stage. Repeat 10 to 14 days later if necessary. Water rate: 200 l/ha.