2002
DOI: 10.1590/s0100-204x2002000900006
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Sistema radicular de porta-enxertos micropropagados de macieira colonizados com fungos micorrízicos arbusculares

Abstract: (2)Resumo -A arquitetura do sistema radicular tem implicações na capacidade da planta de obter nutrientes e água do solo; aspecto, este, não muito considerado nos estudos de desenvolvimento vegetal. O objetivo deste trabalho foi avaliar o comportamento do sistema radicular de dois porta-enxertos micropropagados de macieira (Malus spp.), em razão da associação micorrízica. Foram utilizados um porta-enxerto vigoroso e com grande capacidade de enraizamento (Marubakaido) e outro ananicante e com sistema radicular … Show more

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Cited by 9 publications
(3 citation statements)
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“…However, there were no differences between rootstocks in plant growth, and root length in non-inoculated rootstock was higher than in all other treatments. It has been shown that mycorrhizal plants may have fewer and shorter roots than non-mycorrhizal plants, since extraradicular AMF mycelium increases the volume of soil explored by the plant root system, allowing higher water and nutrient uptake (Locatelli et al, 2002). Therefore, these results confirm the ability of AMF to benefit plant growth, and the increase in shoot and root biomass is consistent with previous studies with grapevine rootstocks (Dalla Costa et al, 2010;Anzanello et al, 2011;Cangahuala-Inocente et al, 2011) or with other plant species (Lovato et al, 2006;Farzaneh et al, 2011;Cavagnaro et al, 2012;Evelin et al, 2012;Mohandas, 2012;Steinkellner et al, 2012).…”
Section: Resultssupporting
confidence: 90%
“…However, there were no differences between rootstocks in plant growth, and root length in non-inoculated rootstock was higher than in all other treatments. It has been shown that mycorrhizal plants may have fewer and shorter roots than non-mycorrhizal plants, since extraradicular AMF mycelium increases the volume of soil explored by the plant root system, allowing higher water and nutrient uptake (Locatelli et al, 2002). Therefore, these results confirm the ability of AMF to benefit plant growth, and the increase in shoot and root biomass is consistent with previous studies with grapevine rootstocks (Dalla Costa et al, 2010;Anzanello et al, 2011;Cangahuala-Inocente et al, 2011) or with other plant species (Lovato et al, 2006;Farzaneh et al, 2011;Cavagnaro et al, 2012;Evelin et al, 2012;Mohandas, 2012;Steinkellner et al, 2012).…”
Section: Resultssupporting
confidence: 90%
“…Os gráficos e tabelas foram elaborados com auxílio do programa Excel. Os FMAs possuem uma rede de micélios bastante desenvolvida que potencializa a forma e a distribuição das raízes no solo, promovendo uma ampliação da área de absorção, auxiliando, assim, no desenvolvimento da planta hospedeira, tornando-a mais ativa metabolicamente, de acordo com Locatelli, et al, 2002e Zou et al, 2015, o que pode ter contribuído na manutenção da fotossíntese sob estresse hídrico.…”
Section: Os Inóculos Puros Das Três Espécies De Fmas Foram Obtidos Atunclassified
“…Micropropagated plants are produced in axenic conditions and generally weaned in artificial and/or disinfected substrates, therefore requiring reintroduction of the symbiotic fungi for enhanced plant growth, especially in artificial or disinfected soils/substrates (Pons et al, 1983;Saggin and Lovato, 1999), or for protection against root pathogens (Cordier et al, 1996(Cordier et al, , 1998. There can also be an effect of AMF inoculation on flowering (Scagel, 2004) and root architecture (Azcón-Aguilar et al, 1996;Locatelli et al, 2002), which can have a significant effect on plant yield and quality. Whilst several reports have shown enhanced growth and development of micropropagated plants due to AMF inoculation (Lovato et al, 1996), most of them are restricted to the weaning phase or to very early stages of growth.…”
Section: Introductionmentioning
confidence: 99%