Abstract
Creeping bentgrass ( Agrostis stolonifera L.) is a commercially important turfgrass used principally on golf courses. Weed control is one of the major problems encountered in golf course maintenance, largely because the major weed, Poa annua L., is another grass species with herbicide responses similar to creeping bentgrass. Development of creeping bentgrass cultivars expressing one of the herbicide resistance genes would provide an effective solution. The prospects of commercialization of transgenic cultivars of creeping bentgrass have raised questions about the potential for pollen‐mediated gene flow to related Agrostis spp. In a field study we have measured the frequency of interspecific hybridization between transgenic creeping bentgrass and four related species, A canina L., A castellana Boiss. and Reut, A gigantea Roth, and A capillaris L. Interspecific transgenic hybrids were recovered between creeping bentgrass and A capillaris and A castellana at frequencies of 0.044 and 0.0015%, respectively, which were considerably lower than intraspecific transgenic progeny recovery in the same experimental plots (0.631%). No interspecific transgenic hybrids were recovered with A gigantea or A canina
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Claims 5
Claim · model-written summary
Interspecific transgenic hybrids were recovered from creeping bentgrass crosses with A capillaris at 0.044%.
- Taxon
- Agrostis stolonifera
Agrostis stoloniferat0 - Interactor
- A capillaris
Agrostis capillarise1other - Outcome
- Interspecific transgenic hybridse1
- Value
- 0.044e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Agrostis stolonifera”
e1“Interspecific transgenic hybrids were recovered between creeping bentgrass and A capillaris and A castellana at frequencies of 0.044 and 0.0015%, respectively, which were considerably lower than intraspecific transgenic progeny recovery in the same experimental plots (0.631%)”
Claim · model-written summary
Interspecific transgenic hybrids were recovered from creeping bentgrass crosses with A castellana at 0.0015%.
- Taxon
- Agrostis stoloniferaAgrostis stoloniferat0
- Interactor
- A castellana
Agrostis castellanae1other - Outcome
- Interspecific transgenic hybridse1
- Value
- 0.0015%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Agrostis stolonifera”
e1“Interspecific transgenic hybrids were recovered between creeping bentgrass and A capillaris and A castellana at frequencies of 0.044 and 0.0015%, respectively, which were considerably lower than intraspecific transgenic progeny recovery in the same experimental plots (0.631%)”
Claim · model-written summary
Interspecific transgenic hybrid recovery was considerably lower than intraspecific transgenic progeny recovery in the same plots.
- Taxon
- Agrostis stoloniferaAgrostis stoloniferat0
- Outcome
- Interspecific transgenic hybridse1
- Direction
- considerably lowere1
- Comparator
- intraspecific transgenic progeny recoverye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Agrostis stolonifera”
e1“Interspecific transgenic hybrids were recovered between creeping bentgrass and A capillaris and A castellana at frequencies of 0.044 and 0.0015%, respectively, which were considerably lower than intraspecific transgenic progeny recovery in the same experimental plots (0.631%)”
Claim · model-written summary
Intraspecific transgenic progeny recovery of creeping bentgrass in the experimental plots was 0.631%.
- Taxon
- Agrostis stoloniferaAgrostis stoloniferat0
- Outcome
- intraspecific transgenic progeny recoverye1
- Value
- 0.631%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Agrostis stolonifera”
e1“Interspecific transgenic hybrids were recovered between creeping bentgrass and A capillaris and A castellana at frequencies of 0.044 and 0.0015%, respectively, which were considerably lower than intraspecific transgenic progeny recovery in the same experimental plots (0.631%)”
Claim · model-written summary
No interspecific transgenic hybrids were recovered with A gigantea or A canina.
- Taxon
- Agrostis stoloniferaAgrostis stoloniferat0
- Interactor
- A gigantea
Agrostis giganteae2other - Second interactor
- A canina
Agrostis caninae2other - Outcome
- interspecific transgenic hybridse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Agrostis stolonifera”
e2“No interspecific transgenic hybrids were recovered with A gigantea or A canina”