Abstract
Stem elongation growth in a slender line of Pisum sativum L. was much greater than in its two dwarf parental lines due to a greater rate of production of longer internodes. The cellular basis of the greater length of slender internodes was tissue specific. In the epidermis, greater cell length primarily accounted for the longer internodes of the slender plants, but in the outer cortex, greater cell number was the more important factor. The soluble and salt‐extractable peroxidase (EC 1.11.1.7) activities of expanding internodes were much lower in slender plants than in dwarf plants. The proportional effects of ethylene treatment on epicotyl length, diameter and orientation were similar in etiolated slender and dwarf seedlings.
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Claims 5
Claim · model-written summary
Stem elongation was much greater in the slender pea line than in its two dwarf parental lines.
- Taxon
- Pisum sativum
Lathyrus oleraceuse0 - Material
- slender linee0
- Outcome
- stem elongation growthe0
- Direction
- much greatere0
- Comparator
- two dwarf parental linese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stem elongation growth in a slender line of Pisum sativum L. was much greater than in its two dwarf parental lines”
Claim · model-written summary
In the epidermis, cell length was greater in slender plants, accounting for their longer internodes.
- Taxon
- Pisum sativumLathyrus oleraceuse0
- Material
- slender plantse2
- Organ / stage
- epidermise2
- Outcome
- cell lengthe2
- Direction
- greatere2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stem elongation growth in a slender line of Pisum sativum L. was much greater than in its two dwarf parental lines”
e2“In the epidermis, greater cell length primarily accounted for the longer internodes of the slender plants”
Claim · model-written summary
In the outer cortex, cell number was greater in slender plants.
- Taxon
- Pisum sativumLathyrus oleraceuse0
- Organ / stage
- outer cortexe3
- Outcome
- cell numbere3
- Direction
- greatere3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stem elongation growth in a slender line of Pisum sativum L. was much greater than in its two dwarf parental lines”
e3“but in the outer cortex, greater cell number was the more important factor”
Claim · model-written summary
Soluble and salt-extractable peroxidase activities of expanding internodes were much lower in slender plants than in dwarf plants.
- Taxon
- Pisum sativumLathyrus oleraceuse0
- Material
- slender plantse4
- Organ / stage
- expanding internodese4
- Gene
- peroxidase (EC 1.11.1.7)e4
- Outcome
- soluble and salt‐extractable peroxidasee4
- Direction
- much lowere4
- Comparator
- dwarf plantse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stem elongation growth in a slender line of Pisum sativum L. was much greater than in its two dwarf parental lines”
e4“The soluble and salt‐extractable peroxidase (EC 1.11.1.7) activities of expanding internodes were much lower in slender plants than in dwarf plants”
Claim · model-written summary
Ethylene treatment had similar proportional effects on epicotyl length, diameter and orientation in slender and dwarf seedlings.
- Taxon
- Pisum sativumLathyrus oleraceuse0
- Treatment
- ethylene treatmente5
- Outcome
- epicotyl length, diameter and orientatione5
- Direction
- similare5
- Comparator
- dwarf seedlingse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stem elongation growth in a slender line of Pisum sativum L. was much greater than in its two dwarf parental lines”
e5“The proportional effects of ethylene treatment on epicotyl length, diameter and orientation were similar in etiolated slender and dwarf seedlings”
The same questions in other papers
ethene · growth · Lathyrus oleraceus (pea)Positive and negative results
12 papers in the same direction as this paper · 3 reporting no difference from an alternative
- negative
- positive
- positive
12 papers more in this group
See all 16 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.