Abstract
Laboratory and field experiments were conducted to determine the influence of different priming techniques on the germination characteristics and competition of weeds in sugar beet in 2008–2009. Three priming times and four priming methods were used in a laboratory study, and four priming treatments and four redroot pigweed densities (0, 4, 8 and 12 plants m−2) were used in a field study. Sugar beet seeds were treated with polyethylene glycol (PEG 8000), NaCl (1.5 N) and HCl (0.1 N) for 2, 4 and 6 h. Seed characteristics were significantly affected by HCl (0.1 N) treatment for 6 h. In this treatment, the germination percentage was 25 and 9% higher than control and NaCl (1.5 N) treatments after a similar time. An intermediate and low effect has been shown with NaCl (1.5 N) and PEG 8000 seed priming, respectively. Sugar beet root yield was reduced by 13, 54 and 89% compared with control treatment (without weed) at redroot pigweed densities of 4, 8 and 12 plants m−2, respectively. Sugar beet seeds primed with HCl (0.1 N) for 6 h gave a higher root yield than unprimed seeeds and the other primed seeds treatments. Overall, the results showed that weed control can significantly increase sugar beet yield and the seed priming technique can be used for weed control.
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Claims 10
Claim · model-written summary
HCl priming significantly affected seed characteristics.
- Taxon
- Sugar beet
Beta vulgaris subsp. vulgarist0 - Treatment
- HCl (0.1 N) treatment for 6 he0
- Outcome
- Seed characteristicse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed characteristics were significantly affected by HCl (0.1 N) treatment for 6 h.”
t0“Sugar beet”
Claim · model-written summary
HCl priming raised germination 25% above control.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- HCl (0.1 N) treatment for 6 he1
- Outcome
- germination percentagee0
- Direction
- highere0
- Value
- 25e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination percentage was 25 and 9% higher than control and NaCl (1.5 N) treatments after a similar time.”
e1“HCl (0.1 N) treatment for 6 h.”
t0“Sugar beet”
Claim · model-written summary
HCl priming raised germination 9% above NaCl priming.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- HCl (0.1 N) treatment for 6 he1
- Outcome
- germination percentagee0
- Direction
- highere0
- Value
- 9%e0
- Comparator
- NaCl (1.5 N) treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination percentage was 25 and 9% higher than control and NaCl (1.5 N) treatments after a similar time.”
e1“HCl (0.1 N) treatment for 6 h.”
t0“Sugar beet”
Claim · model-written summary
NaCl priming had an intermediate effect.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- NaCl (1.5 N)e0
- Outcome
- intermediatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An intermediate and low effect has been shown with NaCl (1.5 N) and PEG 8000 seed priming, respectively.”
t0“Sugar beet”
Claim · model-written summary
PEG priming had a low effect.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- PEG 8000 seed priminge0
- Outcome
- low effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An intermediate and low effect has been shown with NaCl (1.5 N) and PEG 8000 seed priming, respectively.”
t0“Sugar beet”
Claim · model-written summary
At four pigweed plants per square meter, beet root yield fell 13%.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- redroot pigweed densities of 4, 8 and 12 plants m−2e0
- Interactor
- redroot pigweede0weed
- Outcome
- root yielde0
- Direction
- reducede0
- Value
- 13e0
- Comparator
- control treatment (without weed)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar beet root yield was reduced by 13, 54 and 89% compared with control treatment (without weed) at redroot pigweed densities of 4, 8 and 12 plants m−2, respectively.”
Claim · model-written summary
At eight pigweed plants per square meter, beet root yield fell 54%.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- redroot pigweed densities of 4, 8 and 12 plants m−2e0
- Interactor
- redroot pigweede0weed
- Outcome
- root yielde0
- Direction
- reducede0
- Value
- 54e0
- Comparator
- control treatment (without weed)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar beet root yield was reduced by 13, 54 and 89% compared with control treatment (without weed) at redroot pigweed densities of 4, 8 and 12 plants m−2, respectively.”
Claim · model-written summary
At twelve pigweed plants per square meter, beet root yield fell 89%.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- redroot pigweed densities of 4, 8 and 12 plants m−2e0
- Interactor
- redroot pigweede0weed
- Outcome
- root yielde0
- Direction
- reducede0
- Value
- 89%e0
- Comparator
- control treatment (without weed)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar beet root yield was reduced by 13, 54 and 89% compared with control treatment (without weed) at redroot pigweed densities of 4, 8 and 12 plants m−2, respectively.”
Claim · model-written summary
HCl priming increased root yield versus unprimed and other primed seeds.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- primed with HCl (0.1 N) for 6 he0
- Outcome
- root yielde0
- Direction
- highere0
- Comparator
- unprimed seeeds and the other primed seeds treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar beet seeds primed with HCl (0.1 N) for 6 h gave a higher root yield than unprimed seeeds and the other primed seeds treatments.”
Claim · model-written summary
The authors conclude weed control can increase beet yield.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Outcome
- weed control can significantly increase sugar beet yielde0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weed control can significantly increase sugar beet yield”
The same questions in other papers
seed treatment · yield · Beta vulgaris (beet)Results differ
16 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- no effect
- positive
15 papers more in this group
See all 19 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.