Abstract
We present an experiment done on a bar(+) wheat line treated with 14 different concentrations of glufosinate ammonium-an effective component of nonselective herbicides-during seed germination in a closed experimental system. Yield components as number of spikes per plant, number of grains per spike, thousand kernel weight, and yield per plant were thoroughly analysed and statistically evaluated after harvesting. We found that a concentration of glufosinate ammonium 5000 times the lethal dose was not enough to inhibit the germination of transgenic plants expressing the bar gene. Extremely high concentrations of glufosinate ammonium caused a bushy phenotype, significantly lower numbers of grains per spike, and thousand kernel weights. Concerning the productivity, we observed that concentrations of glufosinate ammonium 64 times the lethal dose did not lead to yield depression. Our results draw attention to the possibilities implied in the transgenic approaches.
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Claims 4
Claim · model-written summary
Glufosinate ammonium at 5000 times the lethal dose did not inhibit germination of bar-transgenic wheat.
- Taxon
- Spring Wheat
Triticum aestivumt0 - Treatment
- glufosinate ammonium 5000 times the lethal dosee1
- Gene
- bar genee1
- Outcome
- germination of transgenic plantse1
- Qualifier
- not enough to inhibite1
- Comparator
- lethal dosee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Transgenic Spring Wheat”
e1“a concentration of glufosinate ammonium 5000 times the lethal dose was not enough to inhibit the germination of transgenic plants expressing the bar gene”
Claim · model-written summary
Extremely high glufosinate ammonium concentrations caused a bushy phenotype in wheat.
- Taxon
- Spring WheatTriticum aestivumt0
- Treatment
- Extremely high concentrations of glufosinate ammoniume2
- Outcome
- bushy phenotypee2
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Transgenic Spring Wheat”
e2“Extremely high concentrations of glufosinate ammonium caused a bushy phenotype”
Claim · model-written summary
Extremely high glufosinate ammonium concentrations significantly lowered grains per spike and thousand kernel weight in wheat.
- Taxon
- Spring WheatTriticum aestivumt0
- Treatment
- Extremely high concentrations of glufosinate ammoniume2
- Outcome
- numbers of grains per spike, and thousand kernel weightse3
- Direction
- lowere3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Transgenic Spring Wheat”
e2“Extremely high concentrations of glufosinate ammonium caused a bushy phenotype”
e3“significantly lower numbers of grains per spike, and thousand kernel weights”
Claim · model-written summary
Glufosinate ammonium at 64 times the lethal dose did not lead to yield depression in wheat.
- Taxon
- Spring WheatTriticum aestivumt0
- Treatment
- concentrations of glufosinate ammonium 64 times the lethal dosee4
- Outcome
- yield depressione4
- Direction
- did not lead toe4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Transgenic Spring Wheat”
e4“concentrations of glufosinate ammonium 64 times the lethal dose did not lead to yield depression”
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