Abstract
A series of field trials was sown on black earth soils on the Darling Downs, Queensland, with five wheat seeding rates x five levels of wild oat infestation. The lowest seeding rate required to produce optimum grain yield at a site was higher in wild oat infested plots than in weed-free plots. Increase in seeding rate reduced the dry weight of wild oats at maturity and increased the dry weight of wheat at maturity until wheat population density exceeded 150 plants m-2. Increase in seeding rate also reduced wild oat seed production, especially at low wild oat population densities.
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Claims 3
Claim · model-written summary
The lowest seeding rate for optimum wheat yield was higher in wild oat infested than weed free plots.
- Taxon
- wheat
Triticum aestivumt0 - Interactor
- wild oate0weed
- Outcome
- lowest seeding rate required to produce optimum grain yielde0
- Direction
- highere0
- Comparator
- weed-free plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest seeding rate required to produce optimum grain yield at a site was higher in wild oat infested plots than in weed-free plots.”
t0“wheat”
Claim · model-written summary
Higher wheat seeding rate reduced wild oat dry weight at maturity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Increase in seeding ratee0
- Outcome
- dry weight of wild oats at maturitye0
- Direction
- reducede0
AvenaNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increase in seeding rate reduced the dry weight of wild oats at maturity”
t0“wheat”
Claim · model-written summary
Higher wheat seeding rate reduced wild oat seed production, especially at low weed density.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Increase in seeding ratee0
- Interactor
- wild oate0weed
- Outcome
- wild oat seed productione0
- Direction
- reducede0
- Qualifier
- especially at low wild oat population densitiese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increase in seeding rate also reduced wild oat seed production, especially at low wild oat population densities.”
t0“wheat”
The same questions in other papers
density · Avena · Triticum aestivum (wheat)Positive and negative results
1 in the opposite direction
- negative
density · yield · Triticum aestivum (wheat)Positive and negative results
375 papers in the same direction as this paper · 115 in the opposite direction · 7 reporting no difference from an alternative
- negative
- positive
- positive
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See all 498 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.