Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency(right)
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Oilseed Rape - Chlorosis
Symptoms
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.
Reasons
Magnesium deficiency
Fe and Mn deficiency also show intercostal chlorosis and necrosis, but the symptoms start on younger leaves.
Magnesium deficiency made worse by
- Sandy soils
- Acidic soils
- Potassium rich soils
- Soils receiving high potash applications
- Cold wet periods
Magnesium is important for
- 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
