Abstract
Experiments were conducted to determine the influence of the dimethylamine salt of MCPA {[(4-chloro- o -tolyl)oxy] acetic acid} pretreatment, darkness from 1 day prior to treatment until harvest, and exogenous sucrose on diclofop {2-[4-(2,4-dichlorophenoxy)phenoxyl] propanoic acid} glucose, and sucrose uptake and translocation by wild oat ( Avena fatua L.). Uptake of 14 C-diclofop label by wild oat foliage was not influenced by MCPA pretreatment, constant dark treatment, or the addition of exogenous sucrose. Total 14 C-diclofop and 14 C-glucose label uptake and translocation were similar whether 5 cm of the treated leaf tip were placed in distilled water or 1% (w/v) sucrose. Downward translocation of 14 C-diclofop, 14 C-sucrose, and 14 C-glucose label in the phloem of wild oat was reduced similarly by MCPA, constant dark treatments, or a combination of the two. Upward translocation of 14 C-diclofop label was greater and exudation of 14 C-diclofop label into the ‘tip’ solution was less than that of 14 C-sucrose or 14 C-glucose label, regardless of MCPA or constant dark treatments. Downward translocation of 14 C-diclofop label was reduced as much by MCPA topically applied to the wild oat leaf 1 cm above, 1 cm below, or with the diclofop as with the MCPA broadcast pretreatment.
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Claims 6
Claim · model-written summary
MCPA pretreatment, darkness, and exogenous sucrose did not alter foliar diclofop label uptake.
- Taxon
- wild oate0
- Treatment
- MCPA pretreatment, constant dark treatment, or the addition of exogenous sucrosee0
- Outcome
- Uptake of 14 C-diclofop labele0
- Direction
- not influencede0
Not reportedComparator
Verbatim
e0“Uptake of 14 C-diclofop label by wild oat foliage was not influenced by MCPA pretreatment, constant dark treatment, or the addition of exogenous sucrose.”
Claim · model-written summary
Diclofop and glucose label uptake and translocation were similar with water or 1% sucrose at the leaf tip.
Verbatim
e0“Total 14 C-diclofop and 14 C-glucose label uptake and translocation were similar whether 5 cm of the treated leaf tip were placed in distilled water or 1% (w/v) sucrose.”
e7“by wild oat ( Avena fatua L.)”
Claim · model-written summary
MCPA or constant darkness reduced downward translocation of diclofop, sucrose, and glucose labels.
- Taxon
- wild oate0
- Organ / stage
- phloeme0
- Treatment
- MCPA, constant dark treatments, or a combination of the twoe0
- Outcome
- Downward translocation of 14 C-diclofop, 14 C-sucrose, and 14 C-glucose labele0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“Downward translocation of 14 C-diclofop, 14 C-sucrose, and 14 C-glucose label in the phloem of wild oat was reduced similarly by MCPA, constant dark treatments, or a combination of the two.”
Claim · model-written summary
Upward diclofop label translocation exceeded sucrose or glucose label translocation.
Verbatim
e0“Upward translocation of 14 C-diclofop label was greater and exudation of 14 C-diclofop label into the ‘tip’ solution was less than that of 14 C-sucrose or 14 C-glucose label”
e7“by wild oat ( Avena fatua L.)”
Claim · model-written summary
Diclofop label exudation into tip solution was less than sucrose or glucose label exudation.
Verbatim
e0“exudation of 14 C-diclofop label into the ‘tip’ solution was less than that of 14 C-sucrose or 14 C-glucose label”
e7“by wild oat ( Avena fatua L.)”
Claim · model-written summary
Topical MCPA at the three leaf positions reduced downward diclofop translocation as much as broadcast pretreatment.
Verbatim
e0“Downward translocation of 14 C-diclofop label was reduced as much by MCPA topically applied to the wild oat leaf 1 cm above, 1 cm below, or with the diclofop as with the MCPA broadcast pretreatment.”
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See all 5 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.