Abstract
Field bindweed (Convolvulus arvensis L.) is one of the most serious weeds in potato (Solanum tuberosum L.), but selective herbicides controlling this weed have not been reported. A field experiment was conducted in 2010 and repeated in 2011 in Greece to study the efficacy of herbicides flumioxazin and sulfosulfuron, applied pre-or post-emergence, on field bindweed and redroot pigweed (Amaranthus retroflexus L.), as well as their phytotoxicity on potato. Gas chromatography-mass spectrography (GC-MS) and high-performance liquid chromatography (HPLC) analyses were conducted for possible herbicide residues in potato tubers. Also, the efficacy of these herbicides on field bindweed generated from root fragments was investigated in greenhouse pot experiments. In pots, both herbicides provided 78% to 100% control of field bindweed generated from root fragments. In field, both herbicides when applied pre-emergence at 72 to 144 g ai ha -1 provided 65% to 100% field bindweed control. However, the corresponding post-emergence applications did not provide satisfactory weed control. All treatments provided excellent control of redroot pigweed. Potato growth was not significantly affected by herbicide application in 2010. However, in 2011, post-emergence applications of flumioxazin caused significant crop injury and yield reduction. The results of this study indicate that satisfactory control of field bindweed and redroot pigweed, as well as high potato yield can be obtained by the pre-emergence application of flumioxazin or sulfosulfuron at 72 to 144 g ai ha -1 , without herbicide residues on potato tubers.
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Claims 8
Claim · model-written summary
Both herbicides controlled field bindweed from root fragments by 78% to 100% in pots.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- both herbicidese0
- Interactor
- field bindweede0weed
- Outcome
- control of field bindweede0
- Value
- 78% to 100%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In pots, both herbicides provided 78% to 100% control of field bindweed generated from root fragments.”
t0“potato”
Claim · model-written summary
Pre-emergence applications of both herbicides controlled field bindweed by 65% to 100% in the field.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- both herbicides when applied pre-emergence at 72 to 144 g ai ha -1e0
- Interactor
- field bindweede0weed
- Outcome
- field bindweed controle0
- Value
- 65% to 100%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In field, both herbicides when applied pre-emergence at 72 to 144 g ai ha -1 provided 65% to 100% field bindweed control.”
t0“potato”
Claim · model-written summary
Post-emergence applications did not provide satisfactory weed control.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- post-emergence applicationse0
- Outcome
- weed controle0
- Direction
- did not provide satisfactorye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the corresponding post-emergence applications did not provide satisfactory weed control”
t0“potato”
Claim · model-written summary
All treatments provided excellent control of redroot pigweed.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- All treatmentse0
- Interactor
- redroot pigweede0weed
- Outcome
- control of redroot pigweede0
- Direction
- excellente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All treatments provided excellent control of redroot pigweed.”
t0“potato”
Claim · model-written summary
Herbicides did not significantly affect potato growth in 2010.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- herbicide applicatione0
- Outcome
- Potato growthe0
- Direction
- not significantly affectede0
- Qualifier
- in 2010e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato growth was not significantly affected by herbicide application in 2010.”
Claim · model-written summary
Post-emergence flumioxazin caused significant potato injury in 2011.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- post-emergence applications of flumioxazine0
- Outcome
- crop injurye0
- Direction
- injurye0
- Qualifier
- in 2011e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in 2011, post-emergence applications of flumioxazin caused significant crop injury and yield reduction.”
t0“potato”
Claim · model-written summary
Post-emergence flumioxazin reduced potato yield in 2011.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- post-emergence applications of flumioxazine0
- Outcome
- yielde0
- Direction
- reductione0
- Qualifier
- in 2011e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in 2011, post-emergence applications of flumioxazin caused significant crop injury and yield reduction.”
t0“potato”
Claim · model-written summary
The authors conclude that pre-emergence flumioxazin or sulfosulfuron at 72 to 144 g ai ha -1 can control both weeds and maintain high potato yield without tuber residues.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- pre-emergence application of flumioxazin or sulfosulfuron at 72 to 144 g ai ha -1e0
- Interactor
- field bindweede0weed
- Second interactor
- redroot pigweede0weed
- Outcome
- satisfactory control of field bindweed and redroot pigweed, as well as high potato yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“satisfactory control of field bindweed and redroot pigweed, as well as high potato yield can be obtained by the pre-emergence application of flumioxazin or sulfosulfuron at 72 to 144 g ai ha -1 , without herbicide residues on potato tubers.”
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