Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and stay smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.
Reasons
Nitrogen deficiency
Sulfur and molybdenum deficiencies show similar symptoms.
Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and stay smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.
Reasons
Nitrogen deficiency
Sulfur and molybdenum deficiencies show similar symptoms.
Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and become smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.
Reasons
Nitrogen deficiency
Yellowing occurs also with sulfur or molybdenum deficiency.
Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and stay smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.
Reasons
Nitrogen deficiency
Yellowing occurs also with sulphur or molybdenum deficiency.
Symptoms
Symptoms begin at the mature leaves. At first the lower leaves get pale green. With progressing deficiency they turn uniformly yellow to reddish. Necrotic blotches occur on the leaf blades. Growth is severely stunted.
Reasons
Nitrogen deficiency
Yellowing occurs also with sulphur or molybdenum deficiency.
Asia and Oceania
