Abstract
Indole‐3‐butyric acid (IBA) was much more effective than indole‐3‐acetic acid (IAA) in inducing adventitious root formation in mung bean ( Vigna radiata L.) cuttings. Prolonging the duration of treatment with both auxins from 24 to 96 h significantly increased the number of roots formed. Labelled IAA and IBA applied to the basal cut surface of the cuttings were transported acropetally. With both auxins, most radioactivity was detected in the hypocotyl, where roots were formed, but relatively more IBA was found in the upper sections of the cuttings. The rate of metabolism of IAA and IBA in these cuttings was similar. Both auxins were metabolized very rapidly and 24 h after application only a small fraction of the radioactivity corresponded to the free auxins. Hydrolysis with 7 M NaOH indicates that conjugation is the major pathway of IAA and IBA metabolism in mung bean tissues. The major conjugate of IAA was identified tentatively as indole‐3‐acetylaspartic acid, whereas IBA formed at least two major conjugates. The data indicate that the higher root‐promoting activity of IBA was not due to a different transport pattern and/or a different rate of conjugation. It is suggested that the IBA conjugates may be a better source of free auxin than those of IAA and this may explain the higher activity of IBA.
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Claims 17
Claim · model-written summary
IBA was more effective than IAA at inducing adventitious roots in mung bean cuttings.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae0 - Treatment
- Indole‐3‐butyric acid (IBA)e0
- Outcome
- adventitious root formatione0
- Direction
- much more effectivee0
- Comparator
- indole‐3‐acetic acid (IAA)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Indole‐3‐butyric acid (IBA) was much more effective than indole‐3‐acetic acid (IAA) in inducing adventitious root formation in mung bean ( Vigna radiata L.) cuttings.”
Claim · model-written summary
Extending IAA treatment from 24 to 96 h significantly increased root number.
- Taxon
- mung beanVigna radiatat0
- Treatment
- IAAe1
- Outcome
- number of roots formede0
- Direction
- increasede0
- Qualifier
- from 24 to 96 he0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prolonging the duration of treatment with both auxins from 24 to 96 h significantly increased the number of roots formed.”
t0“mung bean”
e1“Indole‐3‐butyric acid (IBA) was much more effective than indole‐3‐acetic acid (IAA)”
Claim · model-written summary
Extending IBA treatment from 24 to 96 h significantly increased root number.
- Taxon
- mung beanVigna radiatat0
- Treatment
- IBAe1
- Outcome
- number of roots formede0
- Direction
- increasede0
- Qualifier
- from 24 to 96 he0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prolonging the duration of treatment with both auxins from 24 to 96 h significantly increased the number of roots formed.”
t0“mung bean”
e1“Indole‐3‐butyric acid (IBA)”
Claim · model-written summary
Basally applied labelled IAA was transported acropetally.
- Taxon
- mung beanVigna radiatat0
- Organ / stage
- basal cut surfacee0
- Treatment
- IAAe0
- Outcome
- transported acropetallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Labelled IAA and IBA applied to the basal cut surface of the cuttings were transported acropetally.”
t0“mung bean”
Claim · model-written summary
Basally applied labelled IBA was transported acropetally.
- Taxon
- mung beanVigna radiatat0
- Organ / stage
- basal cut surfacee0
- Treatment
- IBAe0
- Outcome
- transported acropetallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Labelled IAA and IBA applied to the basal cut surface of the cuttings were transported acropetally.”
t0“mung bean”
Claim · model-written summary
Most IAA radioactivity occurred in the hypocotyl where roots formed.
- Taxon
- mung beanVigna radiatat0
- Organ / stage
- hypocotyle0
- Treatment
- IAAe1
- Outcome
- radioactivitye0
- Direction
- moste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With both auxins, most radioactivity was detected in the hypocotyl, where roots were formed”
e1“Labelled IAA and IBA”
t0“mung bean”
Claim · model-written summary
Most IBA radioactivity occurred in the hypocotyl where roots formed.
- Taxon
- mung beanVigna radiatat0
- Organ / stage
- hypocotyle0
- Treatment
- IBAe1
- Outcome
- radioactivitye0
- Direction
- moste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With both auxins, most radioactivity was detected in the hypocotyl, where roots were formed”
e1“Labelled IAA and IBA”
t0“mung bean”
Claim · model-written summary
Relatively more IBA occurred in upper cutting sections.
- Taxon
- mung beanVigna radiatat0
- Organ / stage
- upper sections of the cuttingse0
- Outcome
- IBAe0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but relatively more IBA was found in the upper sections of the cuttings.”
t0“mung bean”
Claim · model-written summary
IAA and IBA had similar metabolism rates.
- Taxon
- mung beanVigna radiatat0
- Outcome
- rate of metabolism of IAAe0
- Direction
- similare0
- Comparator
- IBAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of metabolism of IAA and IBA in these cuttings was similar.”
t0“mung bean”
Claim · model-written summary
IAA was rapidly metabolized, leaving only a small free-auxin radioactivity fraction after 24 h.
- Taxon
- mung beanVigna radiatat0
- Treatment
- IAAe1
- Outcome
- metabolized very rapidlye0
- Qualifier
- 24 h after application only a small fraction of the radioactivity corresponded to the free auxinse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both auxins were metabolized very rapidly and 24 h after application only a small fraction of the radioactivity corresponded to the free auxins.”
e1“Labelled IAA and IBA”
t0“mung bean”
Claim · model-written summary
IBA was rapidly metabolized, leaving only a small free-auxin radioactivity fraction after 24 h.
- Taxon
- mung beanVigna radiatat0
- Treatment
- IBAe1
- Outcome
- metabolized very rapidlye0
- Qualifier
- 24 h after application only a small fraction of the radioactivity corresponded to the free auxinse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both auxins were metabolized very rapidly and 24 h after application only a small fraction of the radioactivity corresponded to the free auxins.”
e1“Labelled IAA and IBA”
t0“mung bean”
Claim · model-written summary
Conjugation was indicated as the major IAA metabolism pathway.
- Taxon
- mung beanVigna radiatae0
- Outcome
- IAAe0
- Qualifier
- conjugation is the major pathwaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hydrolysis with 7 M NaOH indicates that conjugation is the major pathway of IAA and IBA metabolism in mung bean tissues.”
Claim · model-written summary
Conjugation was indicated as the major IBA metabolism pathway.
- Taxon
- mung beanVigna radiatae0
- Outcome
- IBA metabolisme0
- Qualifier
- conjugation is the major pathwaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hydrolysis with 7 M NaOH indicates that conjugation is the major pathway of IAA and IBA metabolism in mung bean tissues.”
Claim · model-written summary
The major IAA conjugate was tentatively identified as indole‐3‐acetylaspartic acid.
- Taxon
- mung beanVigna radiatat0
- Outcome
- indole‐3‐acetylaspartic acide0
- Qualifier
- tentativelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The major conjugate of IAA was identified tentatively as indole‐3‐acetylaspartic acid”
t0“mung bean”
Claim · model-written summary
IBA formed at least two major conjugates.
- Taxon
- mung beanVigna radiatat0
- Treatment
- IBAe0
- Outcome
- major conjugatese0
- Value
- at least twoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whereas IBA formed at least two major conjugates.”
t0“mung bean”
Claim · model-written summary
Higher IBA rooting activity was not attributed to transport pattern or conjugation rate differences.
- Taxon
- mung beanVigna radiatat0
- Outcome
- higher root‐promoting activity of IBAe0
- Qualifier
- not due to a different transport pattern and/or a different rate of conjugatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The data indicate that the higher root‐promoting activity of IBA was not due to a different transport pattern and/or a different rate of conjugation.”
t0“mung bean”
Claim · model-written summary
IBA conjugates may supply free auxin better than IAA conjugates, explaining higher IBA activity.
- Taxon
- mung beanVigna radiatat0
- Compound
- IBA conjugatese0
- Outcome
- higher activity of IBAe0
- Qualifier
- may be a better source of free auxin than those of IAAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It is suggested that the IBA conjugates may be a better source of free auxin than those of IAA and this may explain the higher activity of IBA.”
t0“mung bean”
The same questions in other papers
indole-3-butyric acid · growth · Vigna radiata (mung bean)Positive and negative results
13 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- positive
11 papers more in this group
See all 15 papers →indole-3-acetic acid · growth · Vigna radiata (mung bean)Positive and negative results
11 papers in the same direction as this paper · 5 in the opposite direction
- negative
- negative
- negative
13 papers more in this group
See all 17 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.