Abstract
The differences in the rates of ethylene production and growth between the calluses derived from the seeds of rice (16 cultivars of Oryza sativa L., Japonica and Indica types) and soybean (10 cultivars of Glycine max (L.) Merr.) were investigated. On the medium containing 2,4-dichlorophenoxyacetic acid (2,4-D) and benzylaminopurine (BAP), soybean calluses produced a larger amount of ethylene (208-1541 nLg–1 FW 24 h–1) than rice calluses (8-37 nLg–1 FW 24 h–1) and the rate of ethylene production from the calluses of both species greatly varied with the cultivar. The combined application of 2,4-D and BAP greatly increased the ethylene production rate and the growth of calluses in soybean, but not in rice. Moreover, the addition of BAP to the medium strikingly promoted ethylene production in soybean calluses cultured on the medium containing 2,4-D, but not in those cultured on the medium containing indolebutyric acid (IBA). The rate of ethylene production in both soybean and rice negatively correlated with the growth of calluses. The ethylene production and growth of calluses cultured under various conditions greatly differed between soybean and rice, and also varied with the cultivar of each species. The different aspects of the growth and ethylene production between soybean and rice calluses may represent the difference between dicots and monocots.
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Claims 8
Claim · model-written summary
Soybean calluses produced more ethylene than rice calluses on 2,4-D and BAP medium.
- Taxon
- soybean
Glycine maxe0 - Outcome
- ethylenee0
- Direction
- larger amounte0
- Value
- 208-1541 nLg–1 FW 24 h–1e0
- Qualifier
- 8-37 nLg–1 FW 24 h–1e0
- Comparator
- rice callusese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean calluses produced a larger amount of ethylene (208-1541 nLg–1 FW 24 h–1) than rice calluses (8-37 nLg–1 FW 24 h–1)”
Claim · model-written summary
Callus ethylene production varied greatly by cultivar in both species.
- Taxon
- rice
Oryza sativat0 - Material
- cultivare0
- Outcome
- rate of ethylene productione0
- Direction
- greatly variede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of ethylene production from the calluses of both species greatly varied with the cultivar.”
t0“Rice”
Claim · model-written summary
Combined 2,4-D and BAP greatly increased soybean callus ethylene production.
- Taxon
- soybeanGlycine maxe0
- Treatment
- 2,4-D and BAPe0
- Outcome
- ethylene production ratee0
- Direction
- greatly increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined application of 2,4-D and BAP greatly increased the ethylene production rate and the growth of calluses in soybean, but not in rice.”
Claim · model-written summary
Combined 2,4-D and BAP greatly increased soybean callus growth.
- Taxon
- soybeanGlycine maxe0
- Treatment
- 2,4-D and BAPe0
- Outcome
- growth of callusese0
- Direction
- greatly increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined application of 2,4-D and BAP greatly increased the ethylene production rate and the growth of calluses in soybean, but not in rice.”
Claim · model-written summary
Combined 2,4-D and BAP did not similarly increase rice callus ethylene production or growth.
- Taxon
- riceOryza sativae0
- Treatment
- 2,4-D and BAPe0
- Outcome
- ethylene production rate and the growth of callusese0
- Direction
- but note0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined application of 2,4-D and BAP greatly increased the ethylene production rate and the growth of calluses in soybean, but not in rice.”
Claim · model-written summary
Adding BAP strongly promoted ethylene production in soybean calluses on 2,4-D medium.
- Taxon
- soybeanGlycine maxe0
- Treatment
- addition of BAPe0
- Outcome
- ethylene productione0
- Direction
- strikingly promotede0
- Qualifier
- medium containing 2,4-De0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the addition of BAP to the medium strikingly promoted ethylene production in soybean calluses cultured on the medium containing 2,4-D, but not in those cultured on the medium containing indolebutyric acid (IBA).”
Claim · model-written summary
Adding BAP did not promote ethylene production in soybean calluses on IBA medium.
- Taxon
- soybeanGlycine maxe0
- Treatment
- addition of BAPe0
- Outcome
- ethylene productione0
- Direction
- but note0
- Qualifier
- medium containing indolebutyric acid (IBA)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the addition of BAP to the medium strikingly promoted ethylene production in soybean calluses cultured on the medium containing 2,4-D, but not in those cultured on the medium containing indolebutyric acid (IBA).”
Claim · model-written summary
Ethylene production was negatively correlated with callus growth in soybean and rice.
- Taxon
- soybean and riceGlycine maxOryza sativae0
- Compound
- ethylenee0
- Outcome
- growth of callusese0
- Direction
- negatively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of ethylene production in both soybean and rice negatively correlated with the growth of calluses.”
The same questions in other papers
2,4-D · growth · Glycine max (soybean)Results differ
19 papers in the same direction as this paper · 15 in the opposite direction
- negative
- negative
- negative
31 papers more in this group
See all 35 papers →N-benzyladenine · physiology: hormones · Oryza sativa (rice)Positive and negative results
1 in the opposite direction
- positive
2,4-D · physiology: hormones · Glycine max (soybean)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
N-benzyladenine · growth · Glycine max (soybean)Positive and negative results
28 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- negative
31 papers more in this group
See all 35 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.