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Herbicide Program Approaches for Managing Glyphosate-Resistant Palmer Amaranth (Amaranthus palmeri) and Waterhemp (Amaranthus tuberculatus and Amaranthus rudis) in Future Soybean-Trait Technologies
Herbicide-resistant crop traits herbicide-resistant weeds
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2015/12/23
Herbicide-resistant Amaranthus spp. continue to cause management difficulties in soybean. New
soybean technologies under development, including resistance to various combinations of glyphosate,...
Glyphosate-Resistant Giant Ragweed (Ambrosia trifida) Control in WideStriket Flex Cotton
Glyphosate resistance herbicide resistance
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2015/12/23
A field study was conducted in 2009, 2010, and 2011 on a grower’s field with a known population of glyphosate-resistant
giant ragweed to determine potential control options utilizing a Wi...
Negative Cross-Resistance of Acetolactate Synthase Inhibitor–Resistant Kochia (Kochia scoparia) to Protoporphyrinogen Oxidase– and Hydroxyphenylpyruvate Dioxygenase–Inhibiting Herbicides
ALS-inhibitor resistance herbicide resistance pleiotropic effect target-site mutation
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2015/12/23
This greenhouse experiment examined the response of homozygous susceptible and acetolactate synthase (ALS) inhibitorresistant plants from six Canadian kochia accessions with the Pro197 or Trp574 mutat...
Seedbank and Field Emergence of Weeds in Glyphosate-Resistant Cropping Systems in the United States
Community structure corn cotton glyphosate-resistant multivariate analysis Non-metric Dimensional Scaling
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2015/12/21
A segment of the debate surrounding the commercialization and use of glyphosate-resistant (GR) crops focuses on the theory that the implementation of these traits is an extension of the intensificatio...
ALS-Resistant Smallflower Umbrella Sedge (Cyperus difformis) in Arkansas Rice: Physiological and Molecular Basis of Resistance
ALS enzyme assay ALS gene sequencing herbicide resistance mechanism Illumina HiSeq whole-plant bioassay
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2015/12/21
Smallflower umbrella sedge is a problematic weed in direct-seeded rice in the midsouthern United States. It recently has evolved resistance to the acetolactate synthase (ALS) –inhibiting herbicide hal...
A Glyphosate-Resistant Biotype of Annual Bluegrass in Tennessee
bermudagrass dormant herbicide resistance golf course turf weed control
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2015/12/21
Glyphosate is regularly used to control annual bluegrass populations in dormant bermudagrass turf. A population of annual bluegrass not controlled by glyphosate at 840 g ha−1 (glyphosate resista...
A Waterhemp (Amaranthus tuberculatus) Population Resistant to 2,4-D
Herbicide resistance auxinic herbicides growth regulator herbicides
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2015/12/21
A waterhemp population from a native-grass seed production field in Nebraska was no longer effectively controlled by 2,4-D. Seed was collected from the site, and dose-response studies were conducted t...
Herbicide Resistance:Toward an Understanding of Resistance Development and the Impact of Herbicide-Resistant Crops
Herbicide Resistance Understanding Resistance Development
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2015/12/21
Herbicide Resistance:Toward an Understanding of Resistance Development and the Impact of Herbicide-Resistant Crops.
Modeling of Glyphosate Application Timing in Glyphosate-Resistant Soybean
Time density equivalent weed emergence dynamics weed-crop competition
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2015/12/21
The introduction of herbicide-resistant crops and postemergence herbicides with a wide action spectrum shifted the research focus from how to when crops should be treated. To maximize net return of he...
Glyphosate-Resistant Italian Ryegrass (Lolium perenne) Populations also Exhibit Resistance to Glufosinate
Glutamine synthetase ammonia accumulation herbicide resistance
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2015/12/21
Resistance to glufosinate has been confirmed in glyphosate-resistant Italian ryegrass populations collected in hazelnut orchards in Oregon. Dose–response, ammonia accumulation, and enzyme activity stu...
Infection Process in Resistant and Susceptible Maize (Zea mays L.) Genotypes to Cercospora zeae-maydis (Type II)
Cercospora zeina host resistance maize
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2015/3/10
The infection process of Cercospora zeae-maydis type II (syn. Cercospora zeina Meisel and Korsman) in resistant,
moderately resistant and susceptible maize genotypes was studied in the greenhouse un...
Biotech/GM Crops in Horticulture: Plum cv. HoneySweet Resistant to Plum Pox Virus
genetic modifications fruit trees
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2015/3/9
Commercialisation of Biotech/GM (Biotech) crops started in 1995. Not only field crops, but also horticultural
transgenic crops are under development and are beginning to be commercialised. Genetic e...
Identification of Interspecific Peach and Prunus sp. Hybrids Resistant to Plum Pox Virus Infection
Sharka disease peach Prunus sp. sources of resistance
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2015/3/5
Interspecific hybrids of Prunus persica, Barier, Fire, Cadaman, GF-677, and Prunus sp. hybrids and selections,
MRS, NBS 540-73, and Pumiselect were evaluated for resistance to Plum pox virus. Hybrid...
Response of Pisum sativum germplasm resistant to Erysiphe pisi to inoculation with Erysiphe baeumleri, a new pathogen of pea
pea pea germplasm powdery mildew of pea natural infection resistance field and glasshouse screening Czech Republic
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2015/2/2
Cultivars, homozygous sources and lines of pea (Pisum sativum L.) resistant to Erysiphe pisi had recently been attacked by another powdery mildew species, Erysiphe baeumleri, in the field and in glass...
The emergence of a atrazine resistant black nightshade (Solanum nigrum L.) biotype and molecular basis of the resistance
black nightshade Solanum nigrum L. resistance atrazine chlorophyll fluorescence emergence genetic variation
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2015/1/30
Seeds from atrazine resistant plants of black nightshade (Solanum nigrum L.) were collected at the railway station Prague-Vršovice, seeds from susceptible plants in Vyšehořovice (Prague...