Abstract
Uniconazole was applied as a foliar spray at 0, 90, 130, 170, or 210 ppm to rooted stem cuttings of `Spectabilis' forsythia (Forsythia xintermedia Zab.) potted in calcined clay. Uniconazole resulted in higher total leaf chlorophyll (chlorophyll + chlorophyll,) concentration and a decreased ratio of chlorophyll a: b. Stomata1 density of the most recently matured leaves increased linearly with increasing uniconazole concentration 40, 60, and 100 days after treatment (DAT). The number of stomata per leaf (stomata1 index) increased linearly with increasing concentration of uniconazole throughout the initial 100 DAT. Uniconazole suppressed stomata1 length at all sampling dates and the level of suppression increased with increasing concentration of uniconazole from 20 to 100 DAT. Stomata1 width was suppressed by uniconazole at 40 DAT. Leaves developed after uniconazole application had higher levels of net photosynthesis when measured 55, 77, and 365 DAT. Stomata1 conductance for uniconazole-treated plants was higher compared to nontreated control (0 mg·liter -1 ) plants when measured 49, 55, 77, and 365 DAT. Initiation of secondary xylem for stem tissues of uniconazole-treated plants was suppressed and expansion of xylem vessel length and width was less. Secondary phloem tissues of stems from uniconazole-treated plants contained larger numbers of phloem fibers having smaller cross sectional areas than phloem fibers of controls. Chemical name used: (E)-1-(p-Chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3-01 (uniconazole).
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Claims 14
Claim · model-written summary
Uniconazole increased total leaf chlorophyll concentration.
ForsythiaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uniconazole resulted in higher total leaf chlorophyll (chlorophyll + chlorophyll,) concentration”
t0“Forsythia”
Claim · model-written summary
Uniconazole decreased the chlorophyll a to b ratio.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uniconazole resulted in higher total leaf chlorophyll (chlorophyll + chlorophyll,) concentration and a decreased ratio of chlorophyll a: b.”
t0“Forsythia”
Claim · model-written summary
Stomatal density rose linearly with uniconazole concentration.
- Organ / stage
- most recently matured leavese0
- Treatment
- uniconazole concentratione0
- Outcome
- Stomata1 densitye0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stomata1 density of the most recently matured leaves increased linearly with increasing uniconazole concentration 40, 60, and 100 days after treatment (DAT).”
t0“Forsythia”
Claim · model-written summary
Stomatal index rose linearly with uniconazole concentration.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of stomata per leaf (stomata1 index) increased linearly with increasing concentration of uniconazole throughout the initial 100 DAT.”
t0“Forsythia”
Claim · model-written summary
Uniconazole suppressed stomatal length at all sampling dates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uniconazole suppressed stomata1 length at all sampling dates”
t0“Forsythia”
Claim · model-written summary
Suppression of stomatal length increased with uniconazole concentration from 20 to 100 DAT.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the level of suppression increased with increasing concentration of uniconazole from 20 to 100 DAT.”
t0“Forsythia”
Claim · model-written summary
Uniconazole suppressed stomatal width at 40 DAT.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stomata1 width was suppressed by uniconazole at 40 DAT.”
t0“Forsythia”
Claim · model-written summary
Leaves formed after treatment had higher net photosynthesis.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaves developed after uniconazole application had higher levels of net photosynthesis when measured 55, 77, and 365 DAT.”
t0“Forsythia”
Claim · model-written summary
Uniconazole treated plants had higher stomatal conductance than controls.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stomata1 conductance for uniconazole-treated plants was higher compared to nontreated control (0 mg·liter -1 ) plants when measured 49, 55, 77, and 365 DAT.”
t0“Forsythia”
Claim · model-written summary
Uniconazole suppressed stem secondary xylem initiation.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Initiation of secondary xylem for stem tissues of uniconazole-treated plants was suppressed”
t0“Forsythia”
Claim · model-written summary
Uniconazole reduced xylem vessel length expansion.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expansion of xylem vessel length and width was less.”
t0“Forsythia”
Claim · model-written summary
Uniconazole reduced xylem vessel width expansion.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expansion of xylem vessel length and width was less.”
t0“Forsythia”
Claim · model-written summary
Uniconazole treated stems had more phloem fibers.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Secondary phloem tissues of stems from uniconazole-treated plants contained larger numbers of phloem fibers having smaller cross sectional areas than phloem fibers of controls.”
t0“Forsythia”
Claim · model-written summary
Uniconazole treated stems had phloem fibers with smaller cross sectional areas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Secondary phloem tissues of stems from uniconazole-treated plants contained larger numbers of phloem fibers having smaller cross sectional areas than phloem fibers of controls.”
t0“Forsythia”