Abstract
Abstract Cuttings obtained from seedlings of Pisum sativum L. were rooted in water solution. Shoot growth continued after excision and shoot length increased considerably before roots emerged. Increase in dry weight was strongly dependent on light supply. Continued growth was dependent on supply of mineral nutrients to the rooting solution. Mineral nutrients had no or slight influence on the number of roots formed on cuttings from stock plants grown in fertilized soil, but the growth in length of the roots was dependent on the presence of calcium in the solution. Root formation was dependent on photosynthetic products formed after excision. No roots were formed on cuttings kept in the dark. The number of roots increased with increasing irradiance given to the leafy part of the cutting. At a low level of irradiance sucrose supply through the rooting medium increased the number of roots. Light given to the basal part of the cuttings had a strongly inhibitory effect on the number of roots formed. It is concluded that the carbohydrate level easily becomes a limiting factor for root formation in growing pea cuttings. Availability of mineral nutrients influences in the first place the growth of the shoots.
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Claims 10
Claim · model-written summary
Shoot growth continued after excision and shoot length increased considerably before roots emerged.
- Taxon
- Pisum sativum
Lathyrus oleraceust0 - Organ / stage
- Shoote0
- Outcome
- shoot lengthe0
- Direction
- increased considerablye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot growth continued after excision and shoot length increased considerably before roots emerged.”
t0“Pisum sativum”
Claim · model-written summary
Increase in dry weight was strongly dependent on light supply.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- light supplye0
- Outcome
- dry weighte0
- Direction
- Increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increase in dry weight was strongly dependent on light supply.”
t0“Pisum sativum”
Claim · model-written summary
Continued growth was dependent on supply of mineral nutrients to the rooting solution.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- supply of mineral nutrientse0
- Outcome
- Continued growthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Continued growth was dependent on supply of mineral nutrients to the rooting solution.”
t0“Pisum sativum”
Claim · model-written summary
Mineral nutrients had no or slight influence on the number of roots formed on cuttings from stock plants grown in fertilized soil, but the growth in length of the roots was dependent on the presence of calcium in the solution.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- Mineral nutrientse0
- Outcome
- number of roots formede0
- Direction
- no or slight influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mineral nutrients had no or slight influence on the number of roots formed on cuttings from stock plants grown in fertilized soil, but the growth in length of the roots was dependent on the presence of calcium in the solution.”
t0“Pisum sativum”
Claim · model-written summary
Mineral nutrients had no or slight influence on the number of roots formed on cuttings from stock plants grown in fertilized soil, but the growth in length of the roots was dependent on the presence of calcium in the solution.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- presence of calcium in the solutione0
- Outcome
- growth in length of the rootse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mineral nutrients had no or slight influence on the number of roots formed on cuttings from stock plants grown in fertilized soil, but the growth in length of the roots was dependent on the presence of calcium in the solution.”
t0“Pisum sativum”
Claim · model-written summary
Root formation was dependent on photosynthetic products formed after excision.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Outcome
- Root formatione0
- Qualifier
- photosynthetic products formed after excisione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root formation was dependent on photosynthetic products formed after excision.”
t0“Pisum sativum”
Claim · model-written summary
No roots were formed on cuttings kept in the dark.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- darke0
- Outcome
- No roots were formede0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No roots were formed on cuttings kept in the dark.”
t0“Pisum sativum”
Claim · model-written summary
The number of roots increased with increasing irradiance given to the leafy part of the cutting.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- increasing irradiancee0
- Outcome
- number of rootse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of roots increased with increasing irradiance given to the leafy part of the cutting.”
t0“Pisum sativum”
Claim · model-written summary
At a low level of irradiance sucrose supply through the rooting medium increased the number of roots.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- sucrose supply through the rooting mediume0
- Outcome
- number of rootse0
- Direction
- increasede0
- Qualifier
- low level of irradiancee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At a low level of irradiance sucrose supply through the rooting medium increased the number of roots.”
t0“Pisum sativum”
Claim · model-written summary
Light given to the basal part of the cuttings had a strongly inhibitory effect on the number of roots formed.
- Taxon
- Pisum sativumLathyrus oleraceust0
- Treatment
- Light given to the basal part of the cuttingse0
- Outcome
- number of roots formede0
- Direction
- strongly inhibitory effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Light given to the basal part of the cuttings had a strongly inhibitory effect on the number of roots formed.”
t0“Pisum sativum”
The same questions in other papers
sucrose · growth · Lathyrus oleraceus (pea)Positive and negative results
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- positive
- no effect
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11 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
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See all 16 papers →light · growth · Lathyrus oleraceus (pea)Positive and negative results
32 papers in the same direction as this paper · 24 in the opposite direction · 2 reporting no difference from an alternative
- negative
- negative
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See all 59 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.