Abstract
The initiation and subsequent emergence of lateral roots as secondary roots have been examined in attached and excised roots of Phaseolus vulgaris grown in the absence or presence of indol-3-yl acetic acid (IAA). Treatments with high concentrations of 1AA affected the point at which lateral emergence took place along the primary root. In addition, IAA treatments promoted lateral root emergence from cultured roots of P. vulgaris, which were 1-cm long at the time of excision ; such roots never formed in similar primaries grown in the absence of IAA. No correlation was found between proliferative activity in the meristem at the apex of primary or the rate of root elongation on the one hand and either the number of primordia initiated, or the number of laterals produced, per centimetre of primary, on the other hand.
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Claims 4
Claim · model-written summary
High IAA concentrations shifted the point of lateral root emergence along the primary root.
- Taxon
- Phaseolus vulgaris
Phaseolus vulgarise1 - Organ / stage
- primary roote0
- Treatment
- high concentrations of 1AAe0
- Outcome
- point at which lateral emergence took placee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatments with high concentrations of 1AA affected the point at which lateral emergence took place along the primary root”
t0“العوامل الكيمياوية المؤثرة على نمو وتطور الجذور الجانبية في مزارع نبات الفاصولية”
e1“attached and excised roots of Phaseolus vulgaris”
Claim · model-written summary
IAA promoted lateral root emergence in excised cultured roots relative to untreated roots.
- Taxon
- P. vulgarisPhaseolus vulgarise0
- Organ / stage
- cultured rootse0
- Treatment
- IAA treatmentse0
- Outcome
- lateral root emergencee0
- Direction
- promotede0
- Comparator
- absence of IAAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“IAA treatments promoted lateral root emergence from cultured roots of P. vulgaris, which were 1-cm long at the time of excision ; such roots never formed in similar primaries grown in the absence of IAA”
Claim · model-written summary
Primary root meristem proliferation was not correlated with primordia number or laterals produced.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise1
- Organ / stage
- meristeme0
- Outcome
- number of primordia initiated, or the number of laterals producede0
- Direction
- No correlatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No correlation was found between proliferative activity in the meristem at the apex of primary or the rate of root elongation on the one hand and either the number of primordia initiated, or the number of laterals produced, per centimetre of primary, on the other hand”
t0“العوامل الكيمياوية المؤثرة على نمو وتطور الجذور الجانبية في مزارع نبات الفاصولية”
e1“attached and excised roots of Phaseolus vulgaris”
Claim · model-written summary
Root elongation rate was not correlated with primordia number or laterals produced.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise1
- Organ / stage
- primarye0
- Outcome
- number of primordia initiated, or the number of laterals producede0
- Direction
- No correlatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No correlation was found between proliferative activity in the meristem at the apex of primary or the rate of root elongation on the one hand and either the number of primordia initiated, or the number of laterals produced, per centimetre of primary, on the other hand”
t0“العوامل الكيمياوية المؤثرة على نمو وتطور الجذور الجانبية في مزارع نبات الفاصولية”
e1“attached and excised roots of Phaseolus vulgaris”
The same questions in other papers
indole-3-acetic acid · growth · Phaseolus vulgaris (common bean)Results differ
17 papers in the same direction as this paper · 13 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
28 papers more in this group
See all 32 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.