Zinc Deficiency - Maize

Symptom description

Pale yellow chlorotic zones running parallel to the midrib starting at base of leaves. Leaf margin, tip and midrib remain green.The youngest developing leaves may be totally clorotic yellow or white ("white bud"). Red tints at the leaf margins and the stems may develop. Symptoms generally start at the older leaves, but sometimes occur at the younger leaves first. Internode growth is reduced and leads to a stunted appearance.

Made worst by

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

Important for

Good plant development early in the season. Improves yield. Brings harvest date forward.

Cause description

Zinc deficiency

Yara recommends

YaraVita MAIZE BOOST

Maize: 5 l/ha at 4 to 6 leaf stage. Water rate: 200 l/ha.

YaraVita MANCOZIN

Maize: 1 l/ha at 4-8 leaf stage. For moderate to severe deficiency repeat applications at 10-14 day intervals. Water rate: 200 l/ha.

YaraVita ZINTRAC 700

Maize: 1 l/ha from 3 to 8 leaf stage. For severe deficiency, repeat application should be made at 10 to 14 day intervals. Water rate: 200 l/ha.