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Engineering herbicide tolerance into crops
Trends in Biotechnology, 1990Abstract Herbicide treatments of crops allow economic weed control and provide cost-effective increases in agricultural productivity. Although herbicides currently in use combine a high degree of effectiveness with favourable production costs, non-toxicity and rapid biodegradation, they often lack selectivity, thus limiting their use to pre-emergence ...
E OXTOBY, M HUGHES
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Genetically Modified Herbicide-Tolerant Crops, Weeds, and Herbicides: Overview and Impact
Environmental Management, 2015Genetically modified (GM) crops have been and continue to be a subject of controversy despite their rapid adoption by farmers where approved. For the last two decades, an important matter of debate has been their impact on pesticide use, particularly for herbicide-tolerant (HT) crops. Some claim that these crops bring about a decrease in herbicide use,
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Herbicide-tolerant mutants of corn
Genome, 1989Eight imidazolinone herbicide resistant corn cell lines were obtained from in vitro cell culture selections. Plants were regenerated from five of the lines and resistant progeny obtained from four. Of the four, one line showed cross resistance to a sulfonylurea herbicide (class A), while three lines were resistant only to imidazolinones (class B). The
Paul C. Anderson, Marcy Georgeson
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Tolerance of Sugarcane Varieties to Herbicides
Weed Science, 1968Five herbicides were applied postemergence to three Louisiana sugarcane (Saccharum officinarum L.) varieties. Nine or 12 lb/A of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron) severely injured varieties C.P. 44-101 and C.P. 52-68, but variety N.Co. 310 was not affected. Conversely, N.Co.
Rex W. Millhollon, Rouby J. Matherne
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Herbicide Tolerance of Established Buffalograss
Crop, Forage & Turfgrass Management, 2017Core Ideas Proper calibration and application is important when using herbicides on buffalograss. Established ‘Bowie’ buffalograss was most tolerant to carfentrazone + quinclorac, halosulfuron, indaziflam, quinclorac, quinclorac + MCCP + dicamba, simazine, sulfosulfuron, or thiencarbazone + iodosulfuron + dicamba.
Luqi Li +3 more
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Pesticide Biochemistry and Physiology, 2019
4-Hydroxyphenylpyruvate dioxgenase (HPPD) enzymes from rat and from several plants contained only about a single inhibitor-binding active site per dimer which matched the content of iron in the purified Arabidopsis thaliana and Avena sativa enzymes. The dimeric HPPDs were about 10 fold more catalytically active than the tetrameric P. fluorescens enzyme
Tim R, Hawkes +8 more
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4-Hydroxyphenylpyruvate dioxgenase (HPPD) enzymes from rat and from several plants contained only about a single inhibitor-binding active site per dimer which matched the content of iron in the purified Arabidopsis thaliana and Avena sativa enzymes. The dimeric HPPDs were about 10 fold more catalytically active than the tetrameric P. fluorescens enzyme
Tim R, Hawkes +8 more
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Varietal Tolerance of Rice to Herbicides
Madras Agricultural Journal, 1976Twenty nine rice varieties were tested for their tolerance to herbicides. At normal doses (3.5 kg a. i./ha) propanit did not cause mortality of plant but inflicted a mild chloro- sis in Karuna, Co. 36, Krishna, Vaigal, IR. 8. Kannski, TKM, 6. Cauvery, ADT. 27 and GEB, 24 and severe chlorosis in PTB, 10, ASD. 5, BAM. 3. Bhavani, IR. 5, Jaganath, Pennal,
MOHAMED ALI A, SANKARAN S
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Herbicide Tolerant Forest Trees
2000At the vanguard of biotechnological applications to agriculture are the transgenic annual field crops, and already in the USA alone, there are millions of hectares of transgenic cotton, corn, soybean and canola whose produce is being traded in commerce and the areas are increasing almost exponentially.
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Drug and Chemical Toxicology, 2020
In France, the implementation of mutant herbicide-tolerant crops and the use of the related herbicides - sulfonylureas and imidazolinones - have triggered a strong societal reaction illustrated by the intervening actions of environmentalist groups illegally mowing such crops.
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In France, the implementation of mutant herbicide-tolerant crops and the use of the related herbicides - sulfonylureas and imidazolinones - have triggered a strong societal reaction illustrated by the intervening actions of environmentalist groups illegally mowing such crops.
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Optimizing Herbicide Use in Herbicide-Tolerant Crops: Challenges, Opportunities, and Recommendations
2019Rapid, large-scale adoption of herbicide-tolerant (HT) cropping systems is attributed to recent shifts in herbicide use patterns globally. With the dramatic increase in herbicide use, particularly glyphosate, herbicides’ diversity for weed management has consequently declined, resulting in increased herbicide-resistant (HR) weed species, weed ...
Peerzada, Arslan Masood +2 more
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