Abstract
SUMMARY Boron is required for development of root primordia on stem cuttings of mung bean seedlings. Although exogenous boron is not required until more than 48 h after stem cuttings are placed in auxin, it may be supplied at any previous time, including during growth of the seedlings. There is a progressive loss of rooting response to auxin and boron when cuttings are aged in water prior to rooting treatment. This ageing effect is not influenced by the presence of boron but is considerably reduced by application of dilute solutions of auxin, which are themselves without effect on rooting. Cuttings prepared from seedlings grown in the presence of boron initiate fewer roots in response to low concentrations of auxin than do cuttings taken from seedlings raised in the absence of boron. Despite being required for development of root primordia, boron is antagonistic to the influence of low concentrations of supplied auxin on rooting. The possibility that boron regulates endogenous auxin levels during root development is discussed.
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Claims 6
Claim · model-written summary
Boron was required for development of root primordia on mung bean stem cuttings.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae0 - Treatment
- Borone0
- Outcome
- development of root primordiae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Boron is required for development of root primordia on stem cuttings of mung bean seedlings.”
Claim · model-written summary
Exogenous boron was not needed until more than 48 h after cuttings entered auxin.
- Taxon
- MUNG BEANVigna radiatat0
- Outcome
- exogenous boron is not requirede0
- Value
- more than 48 he0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous boron is not required until more than 48 h after stem cuttings are placed in auxin”
t0“MUNG BEAN CUTTINGS”
Claim · model-written summary
Ageing cuttings in water progressively reduced rooting response to auxin and boron.
- Taxon
- MUNG BEANVigna radiatat0
- Treatment
- aged in watere0
- Outcome
- rooting responsee0
- Direction
- losse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There is a progressive loss of rooting response to auxin and boron when cuttings are aged in water prior to rooting treatment.”
t0“MUNG BEAN CUTTINGS”
Claim · model-written summary
Boron did not influence the ageing effect on rooting.
- Taxon
- MUNG BEANVigna radiatat0
- Treatment
- presence of borone0
- Outcome
- ageing effecte0
- Direction
- not influencede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This ageing effect is not influenced by the presence of boron”
t0“MUNG BEAN CUTTINGS”
Claim · model-written summary
Dilute auxin considerably reduced the ageing effect.
- Taxon
- MUNG BEANVigna radiatat0
- Treatment
- dilute solutions of auxine0
- Outcome
- ageing effecte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This ageing effect is not influenced by the presence of boron but is considerably reduced by application of dilute solutions of auxin”
t0“MUNG BEAN CUTTINGS”
Claim · model-written summary
Cuttings from boron-grown seedlings initiated fewer roots with low auxin than cuttings from seedlings without boron.
- Taxon
- MUNG BEANVigna radiatat0
- Treatment
- presence of borone0
- Outcome
- rootse0
- Direction
- fewere0
- Qualifier
- low concentrations of auxine0
- Comparator
- absence of borone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cuttings prepared from seedlings grown in the presence of boron initiate fewer roots in response to low concentrations of auxin than do cuttings taken from seedlings raised in the absence of boron.”
t0“MUNG BEAN CUTTINGS”
The same questions in other papers
boron atom · growth · Vigna radiata (mung bean)Positive and negative results
5 papers in the same direction as this paper · 13 in the opposite direction
- positive
- positive
- positive
15 papers more in this group
See all 19 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.