Copper deficiency-Lettuce

Symptômes
Plants seem to be wilted and flabby. Along leaf tips and margins chlorotic mottling arises, which proceeds from old to younger leaves. Grey-brown necrotic areas develop in the chlorotic zones. Starting on the tips, leaves turn yellow and fade. Sometimes veins show light red or pink discoloration. Furthermore copper deficiency leads to inhibited growth and small, light heads.

Raisons
Copper deficiency on lettuce

Symptômes
Along leaf tips and margins chlorotic mottling arises, which proceeds from old to younger leaves. Grey-brown necrotic areas develop in the chlorotic zones. Starting on the tips, leaves turn yellow and fade.

Raisons
Copper deficiency on leaves

Symptômes
Along leaf tips and margins chlorotic mottling arises, which proceeds from old to younger leaves. Grey-brown necrotic areas develop in the chlorotic zones. Starting on the tips, leaves turn yellow and fade. In addition copper deficiency leads to inhibited growth and small, light heads. With severe deficiency no heads are formed.

Raisons
Copper deficiency on leaves

Symptômes
Copper deficiency leads to inhibited growth and small, light heads. With severe deficiency no heads are formed. In addition along leaf tips and margins chlorotic mottling arises, which proceeds from old to younger leaves. Grey-brown necrotic areas develop in the chlorotic zones. Starting on the tips, leaves turn yellow and fade.

Raisons
Copper deficiency (on the right) compared to optimum supply (on the left)

Symptômes
Copper deficiency leads to inhibited growth and small, light heads. With severe deficiency no heads are formed. In addition along leaf tips and margins chlorotic mottling arises, which proceeds from older to younger leaves. Grey-brown necrotic areas develop in the chlorotic zones. Starting on the tips, leaves turn yellow and fade. Development of root is slightly restricted. Secondary roots are long, thin and white.

Raisons
Copper deficiency on roots and leaves