Broccoli - Chlorosis
Symptoms
With nitrogen deficiency the foliage and heads show uniform paling. Only small and loose heads are formed. Furthermore nitrogen deficiency supports bolting.
Growth is severely stunted and crop development is delayed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Broccoli - Growth retardation
Symptoms
With nitrogen deficiency the foliage shows uniform paling. Mature leaves yellow and - characteristically in brassicas - there is a orange to red discoloration starting at the margin of oldest leaves. This discoloration can easily be confused with that of phosphate deficiency.
Growth is severely stunted and crop development is delayed. With severe N deficiency, no head is formed.
Reasons
Nitrogen deficiency (right)
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Broccoli - Chlorosis
Symptoms
With nitrogen deficiency the foliage and heads show uniform paling. Only small and loose heads are formed. Furthermore nitrogen deficiency supports bolting. Growth is severely stunted and crop development is delayed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops. Plant nutritional imbalances are thought to be the reason for brown discoloration of florets (brown floret or bead).
Broccoli - Chlorosis
Symptoms
With nitrogen deficiency the foliage shows uniform paling. Mature leaves yellow and - characteristically in brassicas - there is a orange to red discoloration starting at the margin of oldest leaves. This discoloration can easily be confused with that of phosphate deficiency.
Growth is severely stunted and crop development is delayed. With severe N deficiency, no head is formed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Broccoli - Chlorosis
Symptoms
With nitrogen deficiency the foliage shows uniform paling. Mature leaves yellow and - characteristically in brassicas - there is a orange to red discoloration starting at the margin of oldest leaves. This discoloration can easily be confused with that of phosphate deficiency.
Growth is severely stunted and crop development is delayed. With severe N deficiency, no head is formed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Broccoli - Chlorosis
Symptoms
With nitrogen deficiency the foliage shows uniform paling. Mature leaves yellow and - characteristically in brassicas - there is a orange to red discoloration starting at the margin of oldest leaves. This discoloration can easily be confused with that of phosphate deficiency.
Growth is severely stunted and crop development is delayed. With severe N deficiency, no head is formed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Broccoli - Chlorosis
Symptoms
With nitrogen deficiency the foliage shows uniform paling. Mature leaves yellow and - characteristically in brassicas - there is a orange to red discoloration starting at the margin of oldest leaves. This discoloration can easily be confused with that of phosphate deficiency.
Growth is severely stunted and crop development is delayed. With severe N deficiency, no head is formed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Broccoli - Chlorosis
Symptoms
Starting on older leaves, affected plants show a uniform pale, yellowgreen chlorosis.
Growth is severely stunted, crop development is delayed. With severe N deficiency, no head is formed.
Reasons
Nitrogen deficiency
N is the most important nutrient needed for high yields. Well timed and split applications will ensure growth is not limited and maximize yields. Cauliflower and broccoli require an early N supply for maximum leaf development and then a moderate N supply, as the floret develops.
Nitrogen deficiency made worse by
- Low or high pH soils
- Sandy or light soils (leaching
- ) Low organic matter
- Drought conditions
- High rainfall (leaching) or heavy irrigation
- Addition or high levels of non-decomposed organic matter/manure (eg straw)
- Fast growing crops
Nitrogen is important for
- High and early yields, good leaf size and market quality