Use of azoxystrobin and triazoles mixtures to control late season diseases in soybean crop
Widely spread in Argentina, late season diseases [LSD], cause yield losses and seed quality changes. Leaf application of fungicides is an effective procedure to manage LSD under the current cropping conditions [monocrop and no-till system]. The aims of the present study were 1] to determine causal a...
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| Otros Autores: | , , , , |
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| Formato: | Artículo |
| Lenguaje: | Español |
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| Acceso en línea: | http://ri.agro.uba.ar/files/download/articulo/2011Carmona.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Use of azoxystrobin and triazoles mixtures to control late season diseases in soybean crop |
| 246 | 0 | 0 | |a Uso de mezclas de azoxistrobina y triazoles para controlar enfermedades de fin de ciclo de la soja |
| 520 | |a Widely spread in Argentina, late season diseases [LSD], cause yield losses and seed quality changes. Leaf application of fungicides is an effective procedure to manage LSD under the current cropping conditions [monocrop and no-till system]. The aims of the present study were 1] to determine causal agents of LSD, 2] to evaluate yield reduction caused by LSD and 3] to evaluate the efficiency of mixtures containing triazoles and strobirulins, sprayed during R3 or R5 reproductive stages to control LSD. Four experiments were carried out in a randomized complete block design, with four replicates in Armstrong, Santa Fe, Argentina, in a soybean cultivation area in the Pampeana Region. Two assays were performed in 2004/2005, and the remaining ones in 2005/2006 growing seasons. Two azoxystrobin mixtures, one with cyproconazole and the other with difenoconazole, and a mixture of the latter two were tested. The following pathogens were detected: Cercospora kikuchii, Colletotrichum truncatum, Septoria glycines, Glomerella glycines y Phomopsis sojae. All treatments presented higher yield than control, with 5 percent of statistic significance. It can be concluded that, under the present experimental conditions, characterized by frequent rains between R1 and R5.5, the tested mixtures efficiently controlled LSD. | ||
| 653 | 0 | |a FUNGICIDES | |
| 653 | 0 | |a SOYBEAN DISEASES | |
| 653 | 0 | |a STROBILURINS | |
| 653 | 0 | |a TRIAZOLES | |
| 653 | 0 | |a CERCOSPORA KIKUCHII | |
| 653 | 0 | |a COLLETOTRICHUM | |
| 653 | 0 | |a COLLETOTRICHUM TRUNCATUM | |
| 653 | 0 | |a DIAPORTHE PHASEOLORUM VAR. SOJAE | |
| 653 | 0 | |a GLOMERELLA GLYCINES | |
| 653 | 0 | |a GLYCINE MAX | |
| 653 | 0 | |a SEPTORIA GLYCINES | |
| 700 | 1 | |9 3109 |a Carmona, Marcelo Aníbal | |
| 700 | 1 | |9 15444 |a Gally, Marcela Edith | |
| 700 | 1 | |9 22833 |a Sautua, Francisco José | |
| 700 | |a Abello, Andrés |9 26767 | ||
| 700 | 1 | |a López, Pedro |9 69992 | |
| 773 | |t Summa Phytopathologica |g Vol.37, no.2 (2011), p.134-139 | ||
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| 900 | |a 139 | ||
| 900 | |a FUNGICIDES | ||
| 900 | |a SOYBEAN DISEASES | ||
| 900 | |a STROBILURINS | ||
| 900 | |a TRIAZOLES | ||
| 900 | |a CERCOSPORA KIKUCHII | ||
| 900 | |a COLLETOTRICHUM | ||
| 900 | |a COLLETOTRICHUM TRUNCATUM | ||
| 900 | |a DIAPORTHE PHASEOLORUM VAR. SOJAE | ||
| 900 | |a GLOMERELLA GLYCINES | ||
| 900 | |a GLYCINE MAX | ||
| 900 | |a SEPTORIA GLYCINES | ||
| 900 | |a Widely spread in Argentina, late season diseases [LSD], cause yield losses and seed quality changes. Leaf application of fungicides is an effective procedure to manage LSD under the current cropping conditions [monocrop and no-till system]. The aims of the present study were 1] to determine causal agents of LSD, 2] to evaluate yield reduction caused by LSD and 3] to evaluate the efficiency of mixtures containing triazoles and strobirulins, sprayed during R3 or R5 reproductive stages to control LSD. Four experiments were carried out in a randomized complete block design, with four replicates in Armstrong, Santa Fe, Argentina, in a soybean cultivation area in the Pampeana Region. Two assays were performed in 2004/2005, and the remaining ones in 2005/2006 growing seasons. Two azoxystrobin mixtures, one with cyproconazole and the other with difenoconazole, and a mixture of the latter two were tested. The following pathogens were detected: Cercospora kikuchii, Colletotrichum truncatum, Septoria glycines, Glomerella glycines y Phomopsis sojae. All treatments presented higher yield than control, with 5 percent of statistic significance. It can be concluded that, under the present experimental conditions, characterized by frequent rains between R1 and R5.5, the tested mixtures efficiently controlled LSD. | ||
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