Abstract
Three experiments were conducted in winter and summer over two years testing chemicals and cultivation for weed control in potatoes on the Atherton Tableland, Queensland. In all trials cultivation effectively prevented weeds from causing yield reductions. Under dry conditions, cultivation was more effective than chemicals in controlling weeds. Under wet conditions chemicals controlled weeds better than cultivation. Under cool wet conditions linuron used at either 2.24 kg a.i. ha pre-emergence or at 1 .12 kg a.i. ha-1 at first emergence of the potatoes controlled weeds very well without reducing tuber yield. Under hot wet conditions linuron was less effective, probably because of more rapid breakdown of the chemical. In hot wet weather terbutryne plus sebuthylazine applied at 1.68 or 2.24 kg a.i, ha-1, or metribuzin applied at 0.78 kg a.i. ha -1 at first emergence of the potatoes controlled weeds better than linuron without reducing potato yields.
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Claims 8
Claim · model-written summary
Cultivation prevented weed-caused potato yield loss in all trials.
- Taxon
- potatoes
Solanum tuberosumt0 - Treatment
- cultivatione0
- Interactor
- weedse0weed
- Outcome
- yield reductionse0
- Direction
- preventede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all trials cultivation effectively prevented weeds from causing yield reductions”
t0“potatoes”
Claim · model-written summary
In dry conditions, cultivation controlled weeds better than chemicals.
- Taxon
- potatoesSolanum tuberosumt0
- Treatment
- cultivatione0
- Interactor
- weedse0weed
- Outcome
- controlling weedse0
- Direction
- more effectivee0
- Qualifier
- dry conditionse0
- Comparator
- chemicalse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under dry conditions, cultivation was more effective than chemicals in controlling weeds”
t0“potatoes”
Claim · model-written summary
In wet conditions, chemicals controlled weeds better than cultivation.
- Taxon
- potatoesSolanum tuberosumt0
- Treatment
- chemicalse0
- Interactor
- weedse0weed
- Outcome
- controlled weedse0
- Direction
- bettere0
- Qualifier
- wet conditionse0
- Comparator
- cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under wet conditions chemicals controlled weeds better than cultivation”
t0“potatoes”
Claim · model-written summary
Under cool wet conditions, pre-emergence linuron controlled weeds very well without lowering potato yield.
- Taxon
- potatoesSolanum tuberosume0
- Treatment
- linuron used at either 2.24 kg a.i. ha pre-emergencee0
- Interactor
- weedse0weed
- Outcome
- controlled weeds very well without reducing tuber yielde0
- Direction
- controllede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under cool wet conditions linuron used at either 2.24 kg a.i. ha pre-emergence or at 1 .12 kg a.i. ha-1 at first emergence of the potatoes controlled weeds very well without reducing tuber yield”
Claim · model-written summary
Under cool wet conditions, linuron at first emergence controlled weeds very well without lowering potato yield.
- Taxon
- potatoesSolanum tuberosume0
- Treatment
- 1 .12 kg a.i. ha-1 at first emergence of the potatoese0
- Interactor
- weedse0weed
- Outcome
- controlled weeds very well without reducing tuber yielde0
- Direction
- controllede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under cool wet conditions linuron used at either 2.24 kg a.i. ha pre-emergence or at 1 .12 kg a.i. ha-1 at first emergence of the potatoes controlled weeds very well without reducing tuber yield”
Claim · model-written summary
Linuron was less effective in hot wet conditions.
- Taxon
- potatoesSolanum tuberosumt0
- Treatment
- linurone0
- Outcome
- less effectivee0
- Direction
- less effectivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under hot wet conditions linuron was less effective”
t0“potatoes”
Claim · model-written summary
Terbutryne plus sebuthylazine controlled weeds better than linuron without reducing potato yields in hot wet weather.
- Taxon
- potatoesSolanum tuberosume0
- Treatment
- terbutryne plus sebuthylazine applied at 1.68 or 2.24 kg a.i, ha-1e0
- Interactor
- weedse0weed
- Outcome
- controlled weeds better than linuron without reducing potato yieldse0
- Direction
- bettere0
- Comparator
- linurone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In hot wet weather terbutryne plus sebuthylazine applied at 1.68 or 2.24 kg a.i, ha-1, or metribuzin applied at 0.78 kg a.i. ha -1 at first emergence of the potatoes controlled weeds better than linuron without reducing potato yields”
Claim · model-written summary
Metribuzin controlled weeds better than linuron without reducing potato yields in hot wet weather.
- Taxon
- potatoesSolanum tuberosume0
- Treatment
- metribuzin applied at 0.78 kg a.i. ha -1 at first emergencee0
- Interactor
- weedse0weed
- Outcome
- controlled weeds better than linuron without reducing potato yieldse0
- Direction
- bettere0
- Comparator
- linurone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In hot wet weather terbutryne plus sebuthylazine applied at 1.68 or 2.24 kg a.i, ha-1, or metribuzin applied at 0.78 kg a.i. ha -1 at first emergence of the potatoes controlled weeds better than linuron without reducing potato yields”
The same questions in other papers
metribuzin · weed · Solanum tuberosum (potato)Positive and negative results
20 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
18 papers more in this group
See all 22 papers →linuron · weed · Solanum tuberosum (potato)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →herbicide · weed · Solanum tuberosum (potato)Positive and negative results
39 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- negative
- negative
39 papers more in this group
See all 43 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.