Abstract
Investigations were performed to determine the effects of timing of application and concentration of BA on the vegetative growth of Easter cactus [Rhipsalidopsis gaertneri (Regel) Moran `Crimson Giant']. BA was applied to rooted phylloclades at 27, 37, and/or 47 days after propagation (DAP) at 200 to 1000 mg·liter -1 . At 80 DAP, the number and cumulative length of secondary (2°) phylloclades (those developing from the rooted phylloclade) of BA-treated plants exceeded those of the controls. Number and cumulative length of 2° phylloclades increased linearly with increasing BA concentration. At 316 DAP, there were no differences between BA-treated plants and controls in numbers of 2° and apical (terminal) phylloclades. BA also was applied to plants at either 95 or 187 DAP. Treatments included 10, 50, 100, and 200 mg BA/liter and an unsprayed control. Number of new phylloclades (those developing after treatments) and percentage of old phylloclades with new phylloclades increased linearly in response to increasing BA concentration. Relative to the controls, one application of BA at 50, 100, or 200 mg·liter -1 resulted in a ≈50% to 400% increase in total dry weight of new phylloclades accompanied by a ≈4% to 30% decrease in total dry weight of old phylloclades. Branching of mature plants, i.e., with three to five tiers of phylloclades, was significantly affected by timing of application and concentration of BA. BA may be useful for modifying plant architecture of Easter cactus to increase flowering and product marketability. Chemical name used: N- (phenylmethyl) -1H- purine-6-amine[benzyladenine (BA)].
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Claims 8
Claim · model-written summary
BA increased secondary phylloclade number and cumulative length at 80 DAP.
- Taxon
- Easter cactus
Rhipsalidopsis gaertnerit0 - Organ / stage
- secondary (2°) phyllocladese0
- Treatment
- BA-treatede0
- Outcome
- number and cumulative length of secondary (2°) phyllocladese0
- Direction
- exceedede0
- Qualifier
- At 80 DAPe0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 80 DAP, the number and cumulative length of secondary (2°) phylloclades (those developing from the rooted phylloclade) of BA-treated plants exceeded those of the controls.”
t0“Easter Cactus”
Claim · model-written summary
Secondary phylloclade number and length increased linearly with BA concentration.
- Taxon
- Easter cactusRhipsalidopsis gaertnerit0
- Treatment
- BA concentratione0
- Outcome
- Number and cumulative length of 2° phyllocladese0
- Direction
- increased linearlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number and cumulative length of 2° phylloclades increased linearly with increasing BA concentration.”
t0“Easter Cactus”
Claim · model-written summary
At 316 DAP, secondary and apical phylloclade numbers did not differ between BA and controls.
- Taxon
- Easter cactusRhipsalidopsis gaertnerit0
- Treatment
- BA-treatede0
- Outcome
- numbers of 2° and apical (terminal) phyllocladese0
- Direction
- no differencese0
- Qualifier
- At 316 DAPe0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 316 DAP, there were no differences between BA-treated plants and controls in numbers of 2° and apical (terminal) phylloclades.”
t0“Easter Cactus”
Claim · model-written summary
New phylloclade number and proportion of old phylloclades bearing new ones increased linearly with BA concentration.
- Taxon
- Easter cactusRhipsalidopsis gaertnerit0
- Treatment
- BA concentratione0
- Outcome
- Number of new phylloclades (those developing after treatments) and percentage of old phylloclades with new phyllocladese0
- Direction
- increased linearlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number of new phylloclades (those developing after treatments) and percentage of old phylloclades with new phylloclades increased linearly in response to increasing BA concentration.”
t0“Easter Cactus”
Claim · model-written summary
BA increased new phylloclade dry weight by about 50% to 400%.
- Taxon
- Easter cactusRhipsalidopsis gaertnerit0
- Treatment
- one application of BA at 50, 100, or 200 mg·liter -1e0
- Outcome
- total dry weight of new phyllocladese0
- Direction
- increasee0
- Value
- ≈50% to 400%e0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Relative to the controls, one application of BA at 50, 100, or 200 mg·liter -1 resulted in a ≈50% to 400% increase in total dry weight of new phylloclades”
t0“Easter Cactus”
Claim · model-written summary
BA decreased old phylloclade dry weight by about 4% to 30%.
- Taxon
- Easter cactusRhipsalidopsis gaertnerit0
- Outcome
- total dry weight of old phyllocladese0
- Direction
- decreasee0
- Value
- ≈4% to 30%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“accompanied by a ≈4% to 30% decrease in total dry weight of old phylloclades”
t0“Easter Cactus”
Claim · model-written summary
Application timing and BA concentration significantly affected mature-plant branching.
- Taxon
- Easter cactusRhipsalidopsis gaertnerit0
- Treatment
- timing of application and concentration of BAe0
- Outcome
- Branching of mature plantse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Branching of mature plants, i.e., with three to five tiers of phylloclades, was significantly affected by timing of application and concentration of BA.”
t0“Easter Cactus”
Claim · model-written summary
BA may be useful to modify Easter cactus architecture for flowering and marketability.
- Taxon
- Easter cactusRhipsalidopsis gaertnerie0
- Treatment
- BAe0
- Outcome
- modifying plant architecture of Easter cactus to increase flowering and product marketabilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA may be useful for modifying plant architecture of Easter cactus to increase flowering and product marketability.”
The same questions in other papers
N-benzyladenine · growth · Rhipsalidopsis gaertneri (Easter cactus)Positive and negative results
1 in the opposite direction
- negative
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.