Abstract
Summary: Résumé: Zusammenfassung The density of wild oats in subsequent wheat crops in the northern wheat belt of New South Wales, Australia was measured after 1, 2 and 3 years of winter fallowing and summer cropping. The effect of wild oat population on wheat establishment and yield was also measured. One winter fallow resulted in a 96·6% reduction (from 93·3 to 3·2 plants/m 2 ) in the wild oat population present in the subsequent wheat crop. Two consecutive winter fallows reduced the wild oat density to less than 0·2 plants/m 2 but a third year without wheat gave no additional decrease. Wheat establishment was only affected by very high wild oat densities. Wild oats reduced wheat yields by up to 77% and a highly significant negative relationship was found between wheat yield and wild oat density. La jachère hivernale et la récolte esticale, moyens de hitte contre la folle‐avoine dans le blè. La densité de la folle‐avoine dans des cultures de blé suivantes dans la région céréalière au nord de la Nouvelie Galle du Sud, en Australie, a été mesurée après une, deux ou trois années de jachère hivernale et de récolte estivale. L'effet de la population de folle‐avoine sur l'implantation du blé et sur son rendement a étéégalement évalué. Une jachère hivemale a provoqué une réduction de 96,6% (de 93,3 è 3,2 plantes au m 2 ) de la population de folle‐avoine présente dans la culture de blé suivante. Deux jachères hivernales consécutives ont réduit la densité de la folle‐avoine è moins de 0,2 plantes au m 2 , mais une troisième année sans blé n'a pas donné de diminution supplémentaire. L'implantation du blé a été affectée seulement par des densités trés élevées de folle‐avoine. La folle‐avoine a réduit les récoltes de blé dans des proportions allant jusquè 77% et une relation négative hautement significative a été constatée entre le rendement du blé et la densité de la folle‐avoine. Die Bekämpfung von Flughafer in Weizen durch Winterbrache und Anbau von Sommerung Es wurde die Besatzdichte von Flughafer bei aufeinanderfolgendem Weizenanbau in New South Wales. Australien, nach einem, zwei und drei Jahren Winterbrache und Anbau von SommtTung festgestellt. Desgleichen wurde die Aus‐wirkung des Flughaferbesalzes auf die Enlwicklung und den Ertrag des Weizens erfasst. Eine Winterbrache bewirkte einen Ruckgang des Flughafers im danach angebauten Weizen um 96·6% (von 93·3 auf 3·2 Pflanzen je m 2 ). Zwei Winterbrachen hinlereinander verminderlen den Besatz auf weniger als 0·2 Pflanzen je m 2 , aber ein drittes Jahr ohne Weizenanbau verursachte keinen weiteren Rückgang. Die Entwicklung des Weizens wurde nur bei sehr hohen Flughafcrdichten beein‐trächtigt. Flughafer verminderte die Weizenerlrage bis zu 77% und zwischen Weizenertrag und Flughaferdichte wurde eine hoch signifikante negative Korrelation festgestellt.
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Claims 6
Claim · model-written summary
One winter fallow reduced wild oat density by 96.6 percent.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- One winter fallowe0
- Interactor
- wild oate0weed
- Outcome
- wild oat populatione0
- Direction
- reductione0
- Value
- 96·6%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“wild oats in wheat”
e0“One winter fallow resulted in a 96·6% reduction (from 93·3 to 3·2 plants/m 2 ) in the wild oat population present in the subsequent wheat crop.”
Claim · model-written summary
Two consecutive fallows reduced wild oat density below 0.2 plants per square metre.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Two consecutive winter fallowse0
- Interactor
- wild oate0weed
- Outcome
- wild oat densitye0
- Direction
- reducede0
- Value
- less than 0·2 plants/m 2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“wild oats in wheat”
e0“Two consecutive winter fallows reduced the wild oat density to less than 0·2 plants/m 2”
Claim · model-written summary
A third year without wheat gave no further wild oat density decrease.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- a third year without wheate0
- Outcome
- additional decreasee0
- Direction
- no additional decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.


Verbatim
t0“wild oats in wheat”
e0“a third year without wheat gave no additional decrease.”
Claim · model-written summary
Wheat establishment was affected only at very high wild oat density.
- Taxon
- wheat
Triticum aestivumt0 - Interactor
- wild oate0weed
- Outcome
- Wheat establishmente0
- Qualifier
- very high wild oat densitiese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“wild oats in wheat”
e0“Wheat establishment was only affected by very high wild oat densities.”
Claim · model-written summary
Wild oats reduced wheat yield by up to 77 percent.
- Taxon
- wheat
Triticum aestivume0 - Outcome
- wheat yieldse0
- Direction
- reducede0
- Value
- up to 77%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.


Verbatim
e0“Wild oats reduced wheat yields by up to 77%”
Claim · model-written summary
Wheat yield was significantly negatively related to wild oat density.
- Taxon
- wheat
Triticum aestivume0 - Interactor
- wild oate0weed
- Outcome
- wheat yielde0
- Direction
- negativee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“a highly significant negative relationship was found between wheat yield and wild oat density.”
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