Abstract
Knowledge of plant nutritional status allows an understanding of the physiological responses of plants to crop fertilization. A hydroponic experiment evaluated the symptoms of macronutrient deficiency in cauliflower 'Verona' and determined: a) the macronutrient contents of foliar tissues when visual symptoms were observed, b) macronutrients content of foliar and inflorescence tissues at harvest. The effect of nutrient deficiency on inflorescence mass was also evaluated. Nitrogen deficiency caused chlorosis followed by purple color in the old leaves, while P deficiency caused only chlorosis in old leaves. Chlorosis at the edge of old leaves progressing to the center of the leaves was observed with the omission of K, and after was observed necrosis in the chlorotic areas. Ca deficiency caused tip burn in new leaves, while Mg deficiency caused internerval chlorosis in old leaves. The omission of each macronutrient reduced inflorescence dry matter. This deleterious effect was larger for N, P, and K deficiencies, reducing inflorescence dry matter by 87, 49, and 42%, respectively. When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.
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Claims 19
Claim · model-written summary
Nitrogen deficiency produced chlorosis followed by purple color
- Taxon
- Cauliflower
Brassica oleracea var. botrytist0 - Organ / stage
- old leavese0
- Treatment
- Nitrogen deficiencye0
- Outcome
- chlorosis followed by purple colore0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen deficiency caused chlorosis followed by purple color in the old leaves”
t0“Cauliflower Cultivar”
Claim · model-written summary
P deficiency produced chlorosis
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Organ / stage
- old leavese0
- Treatment
- P deficiencye0
- Outcome
- chlorosise0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P deficiency caused only chlorosis in old leaves”
t0“Cauliflower Cultivar”
Claim · model-written summary
omission of K produced Chlorosis at the edge of old leaves progressing to the center of the leaves
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Organ / stage
- old leavese0
- Treatment
- omission of Ke0
- Outcome
- Chlorosis at the edge of old leaves progressing to the center of the leavese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorosis at the edge of old leaves progressing to the center of the leaves was observed with the omission of K, and after was observed necrosis in the chlorotic areas”
t0“Cauliflower Cultivar”
Claim · model-written summary
Ca deficiency produced tip burn
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Organ / stage
- new leavese0
- Treatment
- Ca deficiencye0
- Outcome
- tip burne0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ca deficiency caused tip burn in new leaves”
t0“Cauliflower Cultivar”
Claim · model-written summary
Mg deficiency produced internerval chlorosis
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Organ / stage
- old leavese0
- Treatment
- Mg deficiencye0
- Outcome
- internerval chlorosise0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mg deficiency caused internerval chlorosis in old leaves”
t0“Cauliflower Cultivar”
Claim · model-written summary
Omitting each macronutrient reduced inflorescence dry matter.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- omission of each macronutriente0
- Outcome
- inflorescence dry mattere0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The omission of each macronutrient reduced inflorescence dry matter”
t0“Cauliflower Cultivar”
Claim · model-written summary
N deficiency reduced inflorescence dry matter by 87%.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Ne0
- Outcome
- inflorescence dry mattere0
- Direction
- reducinge0
- Value
- 87e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This deleterious effect was larger for N, P, and K deficiencies, reducing inflorescence dry matter by 87, 49, and 42%, respectively.”
t0“Cauliflower Cultivar”
Claim · model-written summary
P deficiency reduced inflorescence dry matter by 49%.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Pe0
- Outcome
- inflorescence dry mattere0
- Direction
- reducinge0
- Value
- 49e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This deleterious effect was larger for N, P, and K deficiencies, reducing inflorescence dry matter by 87, 49, and 42%, respectively.”
t0“Cauliflower Cultivar”
Claim · model-written summary
K deficiency reduced inflorescence dry matter by 42%.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Ke0
- Outcome
- inflorescence dry mattere0
- Direction
- reducinge0
- Value
- 42e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This deleterious effect was larger for N, P, and K deficiencies, reducing inflorescence dry matter by 87, 49, and 42%, respectively.”
t0“Cauliflower Cultivar”
Claim · model-written summary
Without N, foliar macronutrient content at harvest was 8.8 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- foliar tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 8.8e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without P, foliar macronutrient content at harvest was 0.6 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- foliar tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 0.6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without K, foliar macronutrient content at harvest was 3.5 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- foliar tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 3.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without Ca, foliar macronutrient content at harvest was 13.0 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- foliar tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 13.0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without Mg, foliar macronutrient content at harvest was 0.8 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- foliar tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 0.8e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without N, inflorescence macronutrient content at harvest was 27.3 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- inflorescence tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 27.3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without P, inflorescence macronutrient content at harvest was 2.2 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- inflorescence tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 2.2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without K, inflorescence macronutrient content at harvest was 21.6 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- inflorescence tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 21.6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without Ca, inflorescence macronutrient content at harvest was 1.1 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- inflorescence tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 1.1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
Claim · model-written summary
Without Mg, inflorescence macronutrient content at harvest was 0.7 g kg-1.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Organ / stage
- inflorescence tissuese0
- Treatment
- without N, P, K, Ca, or Mge0
- Outcome
- macronutrient contentse0
- Value
- 0.7e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg-1 in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg-1 in the inflorescence tissues, respectively.”
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