Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves. Chlorosis develops between the veins, while a narrow area on each side of the veins remains green. The leaf margins - and with proceeding deficiency also the intercostal areas - become necrotic.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves.
Chlorosis develops between the veins, while a narrow area on each side of the veins remains green. The leaf margins - and with proceeding deficiency also the intercostal areas - become necrotic. The discoloration of the leaves can vary from chlorotic-yellow to purple/brown.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves.
Chlorosis develops between the veins, while a narrow area on each side of the veins remains green. The leaf margins - and with proceeding deficiency also the intercostal areas - become necrotic. The discoloration of the leaves can vary from chlorotic-yellow to purple/brown.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves. Chlorosis develops between the veins. A narrow area on each side of the veins remains green. The leaf margins and intercostal, chlorotic areas become necrotic.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves. Chlorosis develops between the veins. A narrow area on each side of the veins remains green. Later on, the leaf margins and intercostal, chlorotic areas become necrotic.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves.
Chlorosis develops between the veins, while a narrow area on each side of the veins remains green. The leaf margins - and with proceeding deficiency also the intercostal areas - become necrotic. The discoloration of the leaves can vary from chlorotic-yellow to purple/brown.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves. Chlorosis develops between the veins. A narrow area on each side of the veins remains green. Later on, the leaf margins and intercostal, chlorotic areas become necrotic.
Causas
Magnesium deficiency(right)
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Colza oleaginosa - Chlorosis
Sintomas
Magnesium deficiency always shows initially on the older leaves.
Chlorosis develops between the veins, while a narrow area on each side of the veins remains green. The leaf margins - and with proceeding deficiency also the intercostal areas - become necrotic. The discoloration of the leaves can vary from chlorotic-yellow to purple/brown.
Causas
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Magnesium deficiency piorado por
- Sandy soils
- Acidic soils
- Potassium rich soils
- Soils receiving high potash applications
- Cold wet periods
Magnésio É importante para
- Better crop establishment
- Reduced plant losses over winter
- Increases nutrient levels in the crop for better spring regrowth
- Improved flowering
- More even maturity
- Boosts grain yield and oil content of seed
Produtos recomendados pela Yara Magnésio
YaraVita BRASSITREL PRO
Oilseed Rape: 3 to 4 l/ha at the 4 to 9 leaf stage and again at the onset of the rapid stem extension phase up to the start of flowering. Repeat at 10 to 14 day intervals within these growth stages as necessary. Also, 3 l/ha at the end of petal fall. Water rate: 50 to 200 l/ha.
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Oilseed Rape: For a single application, 5 l/ha at onset of stem extension. For moderate deficiency, 5 l/ha at 4 to 6 leaf stage and at onset of stem extension. An extra application can be made 10 to 14 days later for severe deficiency. Water rate: 200 l/ha
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