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| PAPAPANAGIOTOU,A.P.; DAMALAS,C.A.; BOSMALI,I.; MADESIS,P.; MENEXES,G.C.; ELEFTHEROHORINOS,I.G.. |
| ABSTRACT: Knowledge of the level of resistance of weed populations and the herbicides to which they survive is important for recommending suitable advice to farmers and allowing the selection of appropriate management strategies. Whole-plant dose response experiments were carried out to assess the resistance status of eight putative resistant Galium spurium L. populations and one G. aparine L. population, originating from northern Greece. High levels of resistance of both species to the ALS-inhibiting herbicides chlorsulfuron and tribenuron were found, while their susceptible populations were controlled. Three G. spurium (GS) populations showed additional cross-resistance to [florasulam + 2,4-D], whereas the remaining five resistant GS populations were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: ALS gene sequencing; Cross-resistance; Target-site mutation. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100196 |
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| Francischini,A.C.; Constantin,J.; Oliveira Jr.,R.S.; Santos,G.; Franchini,L.H.M.; Biffe,D.F.. |
| When in competition with cotton, Amaranthus retroflexus can cause high yield losses. Due to the limited availability of selective herbicides registered for post emergence control of this weed, the same herbicides have been used repeated times over the last few years, which may have selected resistant biotypes. Biotypes of A. retroflexus collected from the main areas of cotton cultivation in Brazil were submitted to dose-response trials, by applying the herbicides trifloxysulfuron-sodium and pyrithiobac-sodium in doses equivalent to 0, ¼, ½, 1, 2 and 4 times the recommended rates. Resistance to ALS inhibitors was confirmed in biotypes of A. retroflexus. Biotype MS 2 from Mato Grosso do Sul, was cross-resistant to both trifloxysulfuron-sodium and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Trifloxysulfuron-sodium; Pyrithiobac-sodium; Cross-resistance; ALS inhibitors. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582014000200022 |
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| Gelmini,Gerson Augusto; Victória Filho,Ricardo; Novo,Maria do Carmo de Salvo Soares; Adoryan,Márcio Luiz. |
| Herbicides are widely used in soybean for weed control, and the selection pressure attributed to the repeated use of herbicides with similar modes of action on the same site has caused selection for resistant biotypes within and among previously susceptible species, such as Euphorbia heterophylla L., in relation to ALS enzyme inhibitors, in the states of Paraná, Rio Grande do Sul, and São Paulo, Brazil. Seeds of E. heterophylla were collected to examine possible new cases of resistant populations and to test alternative herbicide treatments to manage these populations, in the Caarapó region, State of Mato Grosso do Sul, Brazil, in areas where plants of this species have survived continuous herbicide applications. The experiment was carried out under... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Milkweed; Cross-resistance; Imidazolinone; Sulfonylurea. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000500007 |
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| Ribas e Ribas,Aícha Daniela; Spolti,Pierri; Del Ponte,Emerson Medeiros; Donato,Katarzyna Zawada; Schrekker,Henri; Fuentefria,Alexandre Meneghello. |
| Abstract Triazole fungicides are used broadly for the control of infectious diseases of both humans and plants. The surge in resistance to triazoles among pathogenic populations is an emergent issue both in agriculture and medicine. The non-rational use of fungicides with site-specific modes of action, such as the triazoles, may increase the risk of antifungal resistance development. In the medical field, the surge of resistant fungal isolates has been related to the intensive and recurrent therapeutic use of a limited number of triazoles for the treatment and prophylaxis of many mycoses. Similarities in the mode of action of triazole fungicides used in these two fields may lead to cross-resistance, thus expanding the spectrum of resistance to multiple... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cross-resistance; Emerging fungal pathogens; Fungicide sensitivity; Agriculture; Medicine. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000400793 |
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