Abstract
Abstract The development of resistance in Alopecurus myosuroides populations to different herbicide active ingredients in Europe exacerbates efforts toward its chemical control. In Europe, cinmethylin provides an additional mode of action for the control of A. myosuroides . The objective of this study was to evaluate three resistance weed management (RWM) strategies, including cinmethylin and other pre‐emergence herbicides, for the control of multiple herbicide–resistant A. myosuroides . The RWM strategies used in this study differed in the extent of preventive cultural practices (tillage, crop rotation, sowing date and stale seedbed). Two field trials were conducted at sites with ACCase‐ and ALS‐resistant A. myosuroides biotypes in Germany between 2017 and 2020. Cinmethylin was included in the herbicide regime for A. myosuroides control. The combination of initial inversion tillage, delayed sowing, crop rotation diversification, and stale seedbed reduced the density of A. myosuroides bup to 90% compared to a strategy with pre‐emergence herbicides used as main components in control. At both sites, the amount of viable A. myosuroides seeds in the soil seed bank was reduced by over 90% after a 3‐year trial period in plots with initial inversion tillage. Molecular analyses revealed that the omission of ACCase and ALS inhibitors did not reduce the proportion of resistant A. myosuroides biotypes. Long‐term control of resistant A. myosuroides must be based on a combination of cultural practices that reduce the soil seed bank and suppress the occurrence of A. myosuroides and the use of still‐effective active ingredients for preventing the renewed entry of seeds into the soil.
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Claims 4
Claim · model-written summary
A combination of initial inversion tillage, delayed sowing, crop rotation diversification and stale seedbed reduced A. myosuroides density by up to 90% compared with a strategy relying mainly on pre-emergence herbicides.
- Taxon
- A. myosuroides
Alopecurus myosuroidese0 - Treatment
- initial inversion tillage, delayed sowing, crop rotation diversification, and stale seedbede0
- Interactor
- A. myosuroidesAlopecurus myosuroidese0weed
- Outcome
- densitye0
- Direction
- reducede0
- Value
- 90%e0
- Qualifier
- up toe0
- Comparator
- a strategy with pre‐emergence herbicides used as main components in controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combination of initial inversion tillage, delayed sowing, crop rotation diversification, and stale seedbed reduced the density of A. myosuroides bup to 90% compared to a strategy with pre‐emergence herbicides used as main components in control”
Claim · model-written summary
The amount of viable A. myosuroides seeds in the soil seed bank was reduced by over 90% after three years in plots with initial inversion tillage.
- Taxon
- A. myosuroidesAlopecurus myosuroidese0
- Treatment
- initial inversion tillagee0
- Interactor
- A. myosuroidesAlopecurus myosuroidese0weed
- Outcome
- viable A. myosuroides seeds in the soil seed banke0
- Direction
- reducede0
- Value
- over 90%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the amount of viable A. myosuroides seeds in the soil seed bank was reduced by over 90% after a 3‐year trial period in plots with initial inversion tillage”
Claim · model-written summary
Omitting ACCase and ALS inhibitors did not reduce the proportion of resistant A. myosuroides biotypes.
- Taxon
- A. myosuroidesAlopecurus myosuroidese0
- Treatment
- omission of ACCase and ALS inhibitorse0
- Interactor
- A. myosuroidesAlopecurus myosuroidese0weed
- Outcome
- proportion of resistant A. myosuroides biotypese0
- Direction
- did not reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Molecular analyses revealed that the omission of ACCase and ALS inhibitors did not reduce the proportion of resistant A. myosuroides biotypes”
Claim · model-written summary
Long-term control of resistant A. myosuroides must rely on a combination of cultural practices that reduce the soil seed bank and suppress its occurrence, together with still-effective active ingredients.
- Taxon
- A. myosuroidesAlopecurus myosuroidese0
- Outcome
- control of resistant A. myosuroidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“control of resistant A. myosuroides must be based on a combination of cultural practices that reduce the soil seed bank and suppress the occurrence of A. myosuroides”
The same questions in other papers
rotation · pest · Alopecurus myosuroidesPositive and negative results
1 in the opposite direction
- negative
tillage · pest · Alopecurus myosuroidesPositive and negative results
1 in the opposite direction
- no effect
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.