Abstract
Abstract Eight-month-old ‘Jane Cowl’ hibiscus ( Hibiscus rosa-sinensis L.) in 2.8-liter pots received 0, 0.1, 0.2, or 0.4 mg of uniconazole/pot as a soil drench. Plants were pruned 35 days after treatment and then grown for an additional 65 days. Plant height, number of leaves and flower buds per shoot, shoot length, stem diameter, and leaf size decreased with increasing rates of uniconazole. Flower number was greater at the two low rates; however, days to first bloom and leaf dark respiration rate were unaffected. Leaf chlorophyll concentration increased with increasing rates of uniconazole. Development of secondary xylem tissue, transverse diameter of vessels, and number and size of phloem fibers were suppressed by uniconazole, resulting in a cascading growth habit. Plants grown from cuttings taken from plants 35 days after treatment were shorter, with fewer lateral shoots and total leaves than cuttings from untreated plants. Uniconazole had no effect on growth of shoot tip cuttings taken from the new lateral shoots of treated plants 110 days after pruning. Soil drenches of uniconazole at 0.025 to 0.2 mg/pot to young plants in 1.5-liter pots resulted in shorter plants, delayed flowering, and fewer flowers with smaller diameter and shorter pedicels. Results from foliar application of uniconazole at 0.05 to 0.2 mg/plant (10 to 40 mg·liter −1 ) were similar to the soil drench, except that the reduction in shoot growth was less at low rates than with drench application. Chemical name used: (E)-1-(p-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3-ol (uniconazole).
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Claims 9
Claim · model-written summary
Increasing soil drench uniconazole reduced plant height, leaf and bud number, shoot length, stem diameter and leaf size.
- Treatment
- increasing rates of uniconazolee0
- Outcome
- Plant height, number of leaves and flower buds per shoot, shoot length, stem diameter, and leaf sizee0
- Direction
- decreasede0
HibiscusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant height, number of leaves and flower buds per shoot, shoot length, stem diameter, and leaf size decreased with increasing rates of uniconazole.”
t0“Hibiscus”
Claim · model-written summary
Flower number was greater at the two low uniconazole rates.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flower number was greater at the two low rates”
t0“Hibiscus”
Claim · model-written summary
Days to first bloom and leaf dark respiration were unaffected.
- Treatment
- uniconazolet0
- Outcome
- days to first bloom and leaf dark respiration ratee0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“days to first bloom and leaf dark respiration rate were unaffected”
t0“uniconazole Affects Vegetative Growth, Flowering, and Stem Anatomy of Hibiscus”
Claim · model-written summary
Leaf chlorophyll concentration increased with uniconazole rate.
- Treatment
- increasing rates of uniconazolee0
- Outcome
- Leaf chlorophyll concentratione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf chlorophyll concentration increased with increasing rates of uniconazole.”
t0“Hibiscus”
Claim · model-written summary
Uniconazole suppressed secondary xylem development, vessel diameter, and phloem fiber number and size.
- Treatment
- uniconazolee0
- Outcome
- Development of secondary xylem tissue, transverse diameter of vessels, and number and size of phloem fiberse0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Development of secondary xylem tissue, transverse diameter of vessels, and number and size of phloem fibers were suppressed by uniconazole”
t0“Hibiscus”
Claim · model-written summary
Cuttings taken 35 days after treatment produced shorter plants with fewer lateral shoots and leaves than untreated cuttings.
- Treatment
- cuttings taken from plants 35 days after treatmente0
- Outcome
- shorter, with fewer lateral shoots and total leavese0
- Direction
- shortere0
- Comparator
- cuttings from untreated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants grown from cuttings taken from plants 35 days after treatment were shorter, with fewer lateral shoots and total leaves than cuttings from untreated plants.”
t0“Hibiscus”
Claim · model-written summary
Uniconazole did not affect growth of shoot tip cuttings from new laterals collected 110 days after pruning.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uniconazole had no effect on growth of shoot tip cuttings taken from the new lateral shoots of treated plants 110 days after pruning.”
t0“Hibiscus”
Claim · model-written summary
Young plants receiving uniconazole soil drenches were shorter, flowered later, and had fewer, smaller flowers with shorter pedicels.
- Treatment
- Soil drenches of uniconazole at 0.025 to 0.2 mg/pote0
- Outcome
- shorter plants, delayed flowering, and fewer flowers with smaller diameter and shorter pedicelse0
- Direction
- shortere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil drenches of uniconazole at 0.025 to 0.2 mg/pot to young plants in 1.5-liter pots resulted in shorter plants, delayed flowering, and fewer flowers with smaller diameter and shorter pedicels.”
t0“Hibiscus”
Claim · model-written summary
Foliar uniconazole gave results similar to drenching, with less shoot growth reduction at low rates.
- Treatment
- foliar application of uniconazole at 0.05 to 0.2 mg/plante0
- Outcome
- reduction in shoot growthe0
- Direction
- lesse0
- Comparator
- soil drenche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results from foliar application of uniconazole at 0.05 to 0.2 mg/plant (10 to 40 mg·liter −1 ) were similar to the soil drench, except that the reduction in shoot growth was less at low rates than with drench application.”
t0“Hibiscus”
The same questions in other papers
uniconazole · growth · Hibiscus (rosemallows)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
application · growth · Hibiscus (rosemallows)Results agree
1 paper in the same direction as this paper
- positive
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.