Abstract
Summary: Résumé: Zusammenfassung Barban was applied at 10 1/ha in 1974, and barban and difenzoquat at 5, 15 and 45 1/ha in 1975 using rotary atomizers to produce uniform drops within the range of 150‐350μm. These applications were compared with those from a conventional sprayer at 125‐2251 1/ha. In 1975 control of Avena fatua in barley with difenzoquat at 45 1/ha was equal or superior to, and at 15 1/ha little different from conventional applications. Control with barban at 45 1/ha and 15 1/ha was slightly poorer than that achieved conventionally. It is suggested that this poorer control was due to a reduction in crop competition; slight crop injury was caused by the oil solutions used for the controlled drop applications of barban. Control with both herbicides at 5 1/ha and (in 1974) with barban at 10 1/ha was inferior. The drop size used had little effect on the level of control except at the lowest volume rate where there was a slight advantage in favour of smaller drops. An optimum volume rate of between 15 and 45 1/ha is suggested for the controlled drop applications of these herbicides. Essais au champ de traitements avec des gouttelettes de dimension contrôlée avec le burbane et le difenzoquat, pour lutter contre la folle avoine (Avena fatua L.) duns l'orge de printemps Le barbane a été appliquéà 10 1 ha en 1974 et le barbane et le difenzoquat à 5, 15 et 45 1 ha en 1975 au moyen d'atomiserus rotalifs pour produire des goutlelettes de taille uniforme comprise entre 150 et 350 μm. Ces traitement one été compares avec ceux d'un pulvérisateur conventionnel opérant à 125 225 1 ha. En 1975, l'efficacnté contre Avena fatua dans l'orge avec le difenzoquat à 45 1/ha a étéégale ou supérieure, et à 15 1/ha peu différneté, de celle obtenue avec des traitements conventionnels. L'efficacité du barbane à 45 1/ha et à 15 1 ha a été légérement infériure à celle des traitements conventionnels. II est suggèré que ces résultants moins bons sont dus à une rèduction du pouvoir compétitive de la culture, laquelle a subi de légers dommages provoqués par les solutions huileuses utilisées pour les traitements au barban avec contrôle de la dimension des gouttes. L'efficacité a été inférieure avec les deux herbicides à 5 1/ha et (en 1974) avec le barnane à 10 1 ha. La talle ges gouttelettes utilisèe n'a eu que peu d'influence sur le degrè d efficacité, excepté avec le volume de bouillie sur le degré le plus faible oú un léger avantage s'est manifesté en faveur des plus petites gouttelettes. II est suggéré que le volume optimal de bouillie se situe entre 15 et 45 1/ha, pour les traitements à dimension de gouttelettes contrôlée, avec ces deux herbicides. Feldversuche mit Barban und Difenzouquat zur Bekämpfung von Flughafer (Avena fatua L.) in Sommergertste bei Applikation definterer Tröpfchengrössen Mit Hilfe von Rotationszertäubern die Tröpfehen im Bereich von 150‐350 μm erzeugen, wurden 1974 10 1/ha Barban und 1975 Barban und Difenzoquat mit 5, 15 und 45 1/ha appliziert. Dises Behandlungen wurden mil konventionellen Spritzverfahren bei Brühemengen von 125‐225 1/ha verglichen. Die Flughaferbekämpfung in Sommergerste war 1975 mit 45 1 ha Difenzoquat genauso gut oder sogar besser, als mit dem konventionellen Verfahren: bei 15 1 ha gah es geringe Unterschiede. Bei 45 und 15 1 ha Barban war der Bekämpfungserfolg geringfügig schlechter als ben herkömmlichen Verfahren. Es wird angenommen, dass die schlechtere Wirking in der verminderten Konkurrenz der Kulturpflanzen tag; an der Sommergersle traten durch die Ölformulierungen, die für die Applikation definierier Tröpfchengrössen verwendet wurden, leichte Schäden auf. Die Bekämpfung war nieht ausreichend, wenn beide Herbizide mit 5 1 ha, und Barban mit 10 1 ha (1974) eingesetzt wurden. Die Tröpfehengrösse hatte nur eine geringe Auswirkung auf den Bekämpfungserfolg, mit Ausnahme der kleinsten Brühemenge, bei der kleine Tröpfchen etwas besser wirkten. Für die Applikation definierter Tröpfchengrössen werden für diese Herbizide Brühemengen zwischen 15 und 45 1 ha empfohlen.
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Claims 9
Claim · model-written summary
At 45 l/ha, difenzoquat control of Avena fatua in barley was equal or superior to conventional application.
- Taxon
- barley
Hordeum vulgaree0 - Treatment
- difenzoquat at 45 1/hae0
- Interactor
- Avena fatua
Avena fatuae0weed - Outcome
- control of Avena fatuae0
- Direction
- equal or superiore0
- Comparator
- conventional applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“control of Avena fatua in barley with difenzoquat at 45 1/ha was equal or superior to, and at 15 1/ha little different from conventional applications”
Claim · model-written summary
At 15 l/ha, difenzoquat control of Avena fatua differed little from conventional application.
- Taxon
- barley
Hordeum vulgaree0 - Treatment
- difenzoquat at 45 1/hae0
- Interactor
- Avena fatua
Avena fatuae0weed - Outcome
- control of Avena fatuae0
- Direction
- little differente0
- Comparator
- conventional applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“control of Avena fatua in barley with difenzoquat at 45 1/ha was equal or superior to, and at 15 1/ha little different from conventional applications”
Claim · model-written summary
At 45 l/ha, controlled-drop barban gave slightly poorer wild oat control than conventional application.
- Taxon
- barley
Hordeum vulgaret0 - Treatment
- barban at 45 1/hae0
- Outcome
- Controle0
- Direction
- slightly poorere0
- Comparator
- conventionallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“Control with barban at 45 1/ha and 15 1/ha was slightly poorer than that achieved conventionally.”
t0“wild oats (Avena fatua L.) in spring barley”
Claim · model-written summary
At 15 l/ha, controlled-drop barban gave slightly poorer wild oat control than conventional application.
- Taxon
- barley
Hordeum vulgaret0 - Treatment
- barbane0
- Outcome
- Controle0
- Direction
- slightly poorere0
- Qualifier
- 15 1/hae0
- Comparator
- conventionallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“Control with barban at 45 1/ha and 15 1/ha was slightly poorer than that achieved conventionally.”
t0“wild oats (Avena fatua L.) in spring barley”
Claim · model-written summary
Oil solutions for controlled-drop barban caused slight barley injury.
- Taxon
- barley
Hordeum vulgaret0 - Treatment
- oil solutions used for the controlled drop applications of barbane0
- Outcome
- crop injurye0
- Direction
- slighte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“slight crop injury was caused by the oil solutions used for the controlled drop applications of barban”
t0“wild oats (Avena fatua L.) in spring barley”
Claim · model-written summary
Wild oat control with both herbicides at 5 l/ha was inferior.
- Taxon
- barley
Hordeum vulgaret0 - Treatment
- both herbicides at 5 1/hae0
- Outcome
- Controle0
- Direction
- inferiore0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“Control with both herbicides at 5 1/ha and (in 1974) with barban at 10 1/ha was inferior.”
t0“wild oats (Avena fatua L.) in spring barley”
Claim · model-written summary
Wild oat control with barban at 10 l/ha in 1974 was inferior.
- Taxon
- barley
Hordeum vulgaret0 - Treatment
- barban at 10 1/hae0
- Outcome
- Controle0
- Direction
- inferiore0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“Control with both herbicides at 5 1/ha and (in 1974) with barban at 10 1/ha was inferior.”
t0“wild oats (Avena fatua L.) in spring barley”
Claim · model-written summary
Drop size had little effect on wild oat control, except smaller drops were advantageous at the lowest volume.
- Taxon
- barley
Hordeum vulgaret0 - Outcome
- level of controle0
- Direction
- little effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“The drop size used had little effect on the level of control except at the lowest volume rate where there was a slight advantage in favour of smaller drops.”
t0“wild oats (Avena fatua L.) in spring barley”
Claim · model-written summary
The authors suggest a 15 to 45 l/ha optimum volume for controlled-drop application of these herbicides.
- Taxon
- barley
Hordeum vulgaret0 - Outcome
- optimum volume ratee0
- Value
- between 15 and 45 1/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“An optimum volume rate of between 15 and 45 1/ha is suggested for the controlled drop applications of these herbicides.”
t0“wild oats (Avena fatua L.) in spring barley”
The same questions in other papers
barban · Avena · Hordeum vulgare (barley)Positive and negative results
2 in the opposite direction
- positive
- positive
herbicide · Avena · Hordeum vulgare (barley)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
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.