Abstract
The aim of this 3-year field study was to evaluate the effect of some stubble crops and in-crop weed control methods on the species composition, number and air-dry weight of weeds in a wheat crop grown in short-term monoculture. The study was conducted in the period 2009-2011 in the Uhrusk Experimental Farm on mixed rendzina soil classified as very good rye soil complex. It included various types of stubble crops ploughed in each year (control treatment without cover crop, white mustard, lacy phacelia, a mixture of legumes – narrow-leaf lupin + field pea) and methods of weed control in spring wheat (mechanical, mechanical and chemical, chemical weed control). On average during the study period, all stubble crops used reduced the air-dry weight of weds in the treatments with mechanical weed management relative to the control treatment. Irrespective of the weed control method, the number of weeds in the wheat crop was significantly lower only after the ploughing in of white mustard. Mechanical weed management proved to be less effective in reducing the number and dry weight of weeds compared to other weed control methods. The white mustard and legume mixture cover crops had a reducing effect on the number of weed species in relation to the treatment without cover crops. The highest floristic diversity of weed communities was found in the spring wheat crop in which only mechanical weeding alone was used.
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Claims 7
Claim · model-written summary
All tested stubble crops reduced weed air-dry weight under mechanical weed management versus no cover crop.
- Taxon
- spring common wheat (Triticum aestivum L.)
Triticum aestivumt0 - Treatment
- all stubble cropse0
- Interactor
- wedse0weed
- Outcome
- air-dry weight of wedse0
- Direction
- reducede0
- Qualifier
- mechanical weed managemente0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all stubble crops used reduced the air-dry weight of weds in the treatments with mechanical weed management relative to the control treatment”
t0“spring common wheat (Triticum aestivum L.)”
Claim · model-written summary
White mustard cover crop significantly reduced weed number across weed control methods.
- Taxon
- wheatTriticum aestivume0
- Treatment
- ploughing in of white mustarde0
- Interactor
- weedse0weed
- Outcome
- number of weedse0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrespective of the weed control method, the number of weeds in the wheat crop was significantly lower only after the ploughing in of white mustard”
Claim · model-written summary
Mechanical weed management was less effective at reducing weed number than other methods.
- Taxon
- spring common wheat (Triticum aestivum L.)Triticum aestivumt0
- Treatment
- Mechanical weed managemente0
- Interactor
- weedse0weed
- Outcome
- numbere0
- Direction
- less effectivee0
- Comparator
- other weed control methodse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mechanical weed management proved to be less effective in reducing the number and dry weight of weeds compared to other weed control methods”
t0“spring common wheat (Triticum aestivum L.)”
Claim · model-written summary
Mechanical weed management was less effective at reducing weed dry weight than other methods.
- Taxon
- spring common wheat (Triticum aestivum L.)Triticum aestivumt0
- Treatment
- Mechanical weed managemente0
- Interactor
- weedse0weed
- Outcome
- dry weight of weedse0
- Direction
- less effectivee0
- Comparator
- other weed control methodse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mechanical weed management proved to be less effective in reducing the number and dry weight of weeds compared to other weed control methods”
t0“spring common wheat (Triticum aestivum L.)”
Claim · model-written summary
White mustard reduced the number of weed species relative to no cover crop.
- Taxon
- spring common wheat (Triticum aestivum L.)Triticum aestivumt0
- Treatment
- white mustarde0
- Interactor
- weede0weed
- Outcome
- number of weed speciese0
- Direction
- reducinge0
- Comparator
- treatment without cover cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The white mustard and legume mixture cover crops had a reducing effect on the number of weed species in relation to the treatment without cover crops”
t0“spring common wheat (Triticum aestivum L.)”
Claim · model-written summary
The legume mixture reduced the number of weed species relative to no cover crop.
- Taxon
- spring common wheat (Triticum aestivum L.)Triticum aestivumt0
- Treatment
- legume mixturee0
- Interactor
- weede0weed
- Outcome
- number of weed speciese0
- Direction
- reducinge0
- Comparator
- treatment without cover cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The white mustard and legume mixture cover crops had a reducing effect on the number of weed species in relation to the treatment without cover crops”
t0“spring common wheat (Triticum aestivum L.)”
Claim · model-written summary
Weed floristic diversity was highest with mechanical weeding alone.
- Taxon
- spring wheatTriticum aestivume0
- Treatment
- mechanical weeding alonee0
- Interactor
- weede0weed
- Outcome
- floristic diversity of weed communitiese0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest floristic diversity of weed communities was found in the spring wheat crop in which only mechanical weeding alone was used”
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