Symptoms
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.
Causes
Magnesium deficiency
Iron and manganese deficiencies show similar symptoms but begin at younger leaves.
Maize: 5 l/ha at the 4 to 8 leaf stage. Water rate: 30 to 200 l/ha. N.B. Do not spray in slow drying conditions. Alternatively: 2 to 5 l/ha at the 4 to 6 leaf stage. Repeat 10 to 14 days later if necessary. Water rate: 30 to 200 l/ha
Read more about YaraVita CROP BOOSTMaize: 2-4 l/ha at 4-6 leaf stage. Water rate: 200 l/ha.
Read more about YaraVita MAGFLO 300