Συμπτώματα
The pale green/yellow leaves (left) are reduced in size and growth may be stunted. Often seen on younger leaves first.
Αιτίες
Severe Sulphur deficiency.
Nitrogen deficiency, nightfrosts, water shortage or heavy metal toxicity can cause similar symptoms.
May occur in patches due to soil type.
Συμπτώματα
The pale green leaves (left) are reduced in size and growth is stunted. Symptoms often seen on younger leaves first.
Αιτίες
Sulphur deficiency.
Nitrogen deficiency, nightfrosts, water shortage or heavy metal toxicity can cause similar symptoms.
Συμπτώματα
The entire foliage - beginning at the younger leaves - turns pale green. Additionally, a purple tint may occur on stems, leaf stalks and leaf edges. The veins are often lighter than blade.
Αιτίες
Sulphur deficiency.
Nitrogen deficiency, nightfrosts, water shortage or heavy metal toxicity can cause similar symptoms.
Συμπτώματα
Symptoms start on young leaves. They are pale yellow and smaller than normal. The youngest leaves are bright yellow.
Αιτίες
Sulphur deficiency on leaves
Nitrogen deficiency produces similar symptoms but starts on older leaves.
Potatoes: 5 l/ha one week after 100% emergence. Repeat applications may be necessary at 10 to 14 day intervals. Also, 5 l/ha following petiole analysis during tuber bulking. Water rate: 200 l/ha.
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