Симптоми
Proceeding from the leaf tip, older leaves become pale green with beading of chlorophyll (easy to reveal by holding leaf to sunlight). Striped appearence because of interveinal chlorosis. Small bright freckles spread over the leaf.
Leaf tip shows beginning necrosis.
Причини
Magnesium deficiency
Симптоми
Older leaves become pale green with beading of chlorophyll. Chlorosis and Necrosis of leaf margins, proceeding from leaf tip, can be seen in more severe cases.
Easy to reveal by holding leaf to sunlight.
Причини
Magnesium deficiency
Drought can also cause marginal necrosis.
Симптоми
Older leaves become pale green with beading of chlorophyll. Chlorosis and Necrosis of leaf margins, proceeding from leaf tip, can be seen in more severe cases.
Plant growth is stunted.
Easy to reveal by holding leaf to sunlight.
Причини
Magnesium deficiency
Drought can also cause marginal necrosis.
Симптоми
Leaves appear pale green with beading of the chlorophyll. Leaves with more severe Mg deficiency (centre) show leaf margin necrosis.
Причини
Magnesium deficiency
Drought can cause similar symptoms of margin necrosis.
Симптоми
Affected leaves appear pale green with beading of the chlorophyll.
Причини
Magnesium deficiency
Симптоми
Affected leaves appear pale green with beading of the chlorophyll.
Причини
Magnesium deficiency
Cereals: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
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