Abstract
Phosphorus deficiency often limits the plant productivity because of its low mobility in soil and the root system. Its low mobility may retard the ability of a plant to acquire this nutrient. To explore its mobility in plant and its role in plant top development, a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.). The deficiency symptoms were apparent at the very early stage of growth in zero phosphorus (control) in the form of chlorosis of older leaves at the margins near the tip, which continued till whole leaves were chlorotic and dried. Fresh and dry matter increased with phosphorus application. Leaf area and leaf area ratio were also increased. The phosphorus level in plant tissue was also found to be increased with the increase in phosphorus concentration in soil and time. Soil analysis indicated the residual accumulation of phosphorus. Application of phosphorus in soil not only promoted its mobility into the plant system but also increased the plant growth significantly.
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Claims 7
Claim · model-written summary
P-deficient radish (zero phosphorus) developed chlorosis of older leaves at the margins near the tip.
- Taxon
- radish
Raphanus sativuse1 - Organ / stage
- older leavese2
- Treatment
- zero phosphoruse2
- Outcome
- chlorosis of older leavese2
- Setting
- soil pot culture experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e2“The deficiency symptoms were apparent at the very early stage of growth in zero phosphorus (control) in the form of chlorosis of older leaves at the margins near the tip”
Claim · model-written summary
Fresh and dry matter of radish increased with phosphorus application compared with zero phosphorus.
- Taxon
- radishRaphanus sativuse1
- Treatment
- phosphorus applicatione3
- Outcome
- Fresh and dry mattere3
- Direction
- increasede3
- Comparator
- zero phosphorus (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e2“in zero phosphorus (control)”
e3“Fresh and dry matter increased with phosphorus application”
Claim · model-written summary
Leaf area and leaf area ratio of radish also increased with phosphorus application.
- Taxon
- radishRaphanus sativuse1
- Treatment
- phosphorus applicatione3
- Outcome
- Leaf area and leaf area ratioe4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e3“Fresh and dry matter increased with phosphorus application”
e4“Leaf area and leaf area ratio were also increased”
Claim · model-written summary
Phosphorus level in radish tissue increased with the phosphorus concentration in soil and with time.
- Taxon
- radishRaphanus sativuse1
- Organ / stage
- plant tissuee5
- Treatment
- increase in phosphorus concentration in soile5
- Outcome
- phosphorus levele5
- Direction
- increasede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e5“The phosphorus level in plant tissue was also found to be increased with the increase in phosphorus concentration in soil and time”
Claim · model-written summary
Soil analysis indicated residual accumulation of phosphorus in the soil.
- Taxon
- radishRaphanus sativuse1
- Outcome
- residual accumulation of phosphoruse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e6“Soil analysis indicated the residual accumulation of phosphorus”
Claim · model-written summary
Applying phosphorus to soil promoted phosphorus mobility into the radish plant.
- Taxon
- radishRaphanus sativuse1
- Treatment
- Application of phosphorus in soile7
- Outcome
- mobility into the plant systeme7
- Direction
- promotede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e7“Application of phosphorus in soil not only promoted its mobility into the plant system but also increased the plant growth significantly”
Claim · model-written summary
Applying phosphorus to soil significantly increased radish plant growth.
- Taxon
- radishRaphanus sativuse1
- Treatment
- Application of phosphorus in soile7
- Outcome
- plant growthe7
- Direction
- increasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“a soil pot culture experiment was conducted using zero, 10 and 20 mg/l phosphorus in radish (Raphanus sativus L.)”
e7“Application of phosphorus in soil not only promoted its mobility into the plant system but also increased the plant growth significantly”
The same questions in other papers
phosphorus · growth · Raphanus sativus (radish)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
6 papers more in this group
See all 10 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.