Magnesium deficiency in Maize

症状
Severely affected leaf (left) shows red and purple tints with interveinal streaky lesions. Whilst mildly affected leaf (centre and right) shows interveinal chlorosis and streaky lesions only.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. With progressing deficiency the yellow stripes show red and purple tints.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. With progressing deficiency the yellow/white stripes show red and purple tints and streaky lesions.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. White necrotic spots later develop within these chlorotic zones which coalesce to necrotic stripes between the veins. With progressing deficiency the tips and edges may die off. Growth of plant is normal, unless deficiency is severe.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. Yellow to white stripes or typical beaded lesions occur; tissue along the main vein stays green for the longest time.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. Yellow to white stripes or typical beaded lesions occur; tissue along the main vein stays green for the longest time.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. With progressing deficiency the yellow stripes show red and purple tints.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.

症状
First symptom is interveinal chlorosis at the older leaves. With progressing deficiency the yellow stripes show red and purple tints.

原因
Magnesium deficiency Iron and manganese deficiencies show similar symptoms but begin at younger leaves.