The arbuscular mycorrhiza Rhizophagus intraradices reduces the negative effects of arsenic on soybean plants
Arsenic (As) in soils causes several detrimental effects,including death. Arsenic toxicity in soybean plants (Glycine max L.) has been little studied. Arbuscular mycorrhiza (AM) increase the tolerance of host plants to abiotic stress, like As. We investigated the effects of AM fungi on soybean grown...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/download/articulo/2015spagnoletti.pdf LINK AL EDITOR |
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| 022 | |a 2073-4395 | ||
| 024 | |a 10.3390/agronomy5020188 | ||
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| 100 | 1 | |9 32795 |a Spagnoletti, Federico Nicolás |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA). Buenos Aires, Argentina. |u CONICET – Universidad de Buenos Aires. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA). Buenos Aires, Argentina. | |
| 245 | 0 | 0 | |a The arbuscular mycorrhiza Rhizophagus intraradices reduces the negative effects of arsenic on soybean plants |
| 520 | |a Arsenic (As) in soils causes several detrimental effects,including death. Arsenic toxicity in soybean plants (Glycine max L.) has been little studied. Arbuscular mycorrhiza (AM) increase the tolerance of host plants to abiotic stress, like As. We investigated the effects of AM fungi on soybean grown in As - contaminated soils. A pot experiment was carried out in a glasshouse, at random with five replications. We applied three levels of As (0, 25, and 50 mg As kg−1), inoculated and non - inoculated with the AM fungus Rhizophagus intraradices (N.C. Schenck & G.S. Sm.) C. Walker and A. Schübler. Plant parameters and mycorrhizal colonization were measured. Arsenic in the substrate, roots, and leaves was quantified. Arsenic negatively affected the AM percentage of spore germination and hyphal length. As also affected soybean plants negatively: an extreme treatment caused a reduction of more than 77.47 per cent in aerial biomass, 68.19 per cent in plant height, 78.35 per cent in number of leaves, and 44.96 per cent reduction in root length, and delayed the phenological evolution. Mycorrhizal inoculation improved all of these parameters, and decreased plant As accumulation (from 7.8 mg As kg−1 to 6.0 mg As kg−1). AM inoculation showed potential to reduce As toxicity in contaminated areas. The AM fungi decreased As concentration in plants following different ways: dilution effect, less As intake by roots, and improving soybean tolerance to As. | ||
| 650 | |2 Agrovoc |9 26 | ||
| 653 | |a ARBUSCULAR MYCORRHIZA | ||
| 653 | |a ARSENIC | ||
| 653 | |a SOYBEAN | ||
| 700 | 1 | |9 24365 |a Lavado, Raúl Silvio |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA). Buenos Aires, Argentina. |u CONICET – Universidad de Buenos Aires. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA). Buenos Aires, Argentina. | |
| 773 | 0 | |t Agronomy |g Vol.5, no.2 (2015), p.188-199, grafs. | |
| 856 | |f 2015spagnoletti |i en Internet |q application/pdf |u http://ri.agro.uba.ar/files/download/articulo/2015spagnoletti.pdf |x ARTI201904 | ||
| 856 | |u https://www.mdpi.com |z LINK AL EDITOR | ||
| 942 | |c ARTICULO | ||
| 942 | |c ENLINEA | ||
| 976 | |a AAG | ||