Abstract
Detailed coenological studies were made at four developmental stages during the vegetation period in three sowing date variants in a long-term multifactorial experiment carried out in the Crop Production Institute of Pannon University. Both experimental years had poor rainfall supplies. The Balázs-Ujvárosi scoring method was used to register the extent of weed infestation and how it changed over the vegetation period. Both the wheat grain yield and the level of weed infestation were greatly influenced by the sowing date. Averaged over the two years, the largest volume of weeds was recorded in March. After the wheat started shooting, the weeds were suppressed. The three sowing dates had the greatest effect on weed growth from the stage of initial development to shooting. After late sowing, the smallest number of weeds was observed during this period in both years. By the time the crop matured the level of weed infestation had changed, with the largest number of weeds in the late-sown variant, where the wheat did not form a closed canopy. Averaged over all samplings in both years, the following five species had the highest abundance: Stellaria media (4.86%), Veronica hederifolia (3.38%), Papaver rhoeas (1.97%), Capsella bursa pastoris (1.41%), Matricaria maritima (0.96%).
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Claims 12
Claim · model-written summary
Sowing date greatly influenced wheat grain yield.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- sowing datee0
- Outcome
- wheat grain yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both the wheat grain yield and the level of weed infestation were greatly influenced by the sowing date.”
Claim · model-written summary
Sowing date greatly influenced weed infestation.
- Taxon
- wheatTriticum aestivume0
- Treatment
- sowing datee0
- Interactor
- weede0weed
- Outcome
- level of weed infestatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both the wheat grain yield and the level of weed infestation were greatly influenced by the sowing date.”
Claim · model-written summary
Weed volume was largest in March across two years.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- weedse0weed
- Outcome
- volume of weedse0
- Direction
- largeste0
- Setting
- Marche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Averaged over the two years, the largest volume of weeds was recorded in March.”
t0“winter wheat”
Claim · model-written summary
Weeds were suppressed after wheat shooting began.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- shootinge0
- Interactor
- weedse0weed
- Outcome
- weedse0
- Direction
- suppressede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After the wheat started shooting, the weeds were suppressed.”
Claim · model-written summary
The effect of sowing dates on weed growth was greatest from initial development to shooting.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- three sowing datese0
- Interactor
- weede0weed
- Outcome
- weed growthe0
- Direction
- greateste0
- Qualifier
- stage of initial development to shootinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The three sowing dates had the greatest effect on weed growth from the stage of initial development to shooting.”
t0“winter wheat”
Claim · model-written summary
Late sowing produced the smallest weed number before shooting in both years.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- late sowinge0
- Interactor
- weedse0weed
- Outcome
- number of weedse0
- Direction
- smalleste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After late sowing, the smallest number of weeds was observed during this period in both years.”
t0“winter wheat”
Claim · model-written summary
At crop maturity, late sowing had the largest weed number and wheat lacked a closed canopy.
- Taxon
- wheatTriticum aestivume0
- Treatment
- late-sown variante0
- Interactor
- weedse0weed
- Outcome
- number of weedse0
- Direction
- largeste0
- Qualifier
- wheat did not form a closed canopye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“By the time the crop matured the level of weed infestation had changed, with the largest number of weeds in the late-sown variant, where the wheat did not form a closed canopy.”
Claim · model-written summary
Stellaria media had the highest reported abundance at 4.86%.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- Stellaria media
Stellaria mediae0weed - Outcome
- Stellaria mediae0
- Value
- 4.86%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stellaria media (4.86%)”
t0“winter wheat”
Claim · model-written summary
Veronica hederifolia abundance was 3.38%.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- Veronica hederifolia
Veronica hederifoliae0weed - Outcome
- Veronica hederifoliae0
- Value
- 3.38%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Veronica hederifolia (3.38%)”
t0“winter wheat”
Claim · model-written summary
Papaver rhoeas abundance was 1.97%.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- Papaver rhoeas
Papaver rhoease0weed - Outcome
- Papaver rhoease0
- Value
- 1.97%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Papaver rhoeas (1.97%)”
t0“winter wheat”
Claim · model-written summary
Capsella bursa pastoris abundance was 1.41%.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- Capsella bursa pastorise0weed
- Outcome
- Capsella bursa pastorise0
- Value
- 1.41%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Capsella bursa pastoris (1.41%)”
t0“winter wheat”
Claim · model-written summary
Matricaria maritima abundance was 0.96%.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- Matricaria maritima
Tripleurospermum maritimume0weed - Outcome
- Matricaria maritimae0
- Value
- 0.96%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Matricaria maritima (0.96%)”
t0“winter wheat”
The same questions in other papers
sowing time · weed · Triticum aestivum (wheat)Positive and negative results
3 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- negative
6 papers more in this group
See all 10 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.