Manganese deficiency-Wine Grape

Symptoms
Symptoms start on young, fully developed, and on medium leaves. They show yellow green interveinal chlorosis. Veins and streaks along the veins remain green. Sometimes leaves look like a mosaic, because fine veins stay green as well. Later necrotic spots and necrotic blotches appear.

Reasons
Manganese deficiency Magnesium deficiency produces similar symptoms, but starts on margins of older leaves. Even early stage of manganese deficiency shows symptoms on whole leaf blades.

Symptoms
Symptoms start on young, fully developed, and on medium leaves. They show yellow green interveinal chlorosis. Veins and streaks along the veins belong green. Sometimes leaves look like a mosaic, because also fine veins stay green. Leaves are smaller then sufficiently supplied leaves.

Reasons
Manganese deficiency Magnesium deficiency produces similar symptoms, but starts on margin of older leaves. Even early stage of manganese deficiency shows symptoms on whole leaf blades.

Symptoms
Symptoms start on young, fully developed, and on medium leaves. They show yellow green interveinal chlorosis. Veins and streaks along the veins belong green. Sometimes leaves look like a mosaic, because also fine veins stay green. Later necrotic spots and necrotic blotches appear. Leaves are smaller then sufficiently supplied leaves.

Reasons
Manganese deficiency Magnesium deficiency produces similar symptoms, but starts on margin of older leaves. Even early stage of manganese deficiency shows symptoms on whole leaf blades.