Effects of inoculation with PGPR Bacillus and Pisolithus tinctorius on Pinus pinea L. growth, bacterial rhizosphere colonization, and mycorrhizal infection

Probanza, A.; Mateos, José L.; Lucas, Jose Antonio; Ramos, B.; Felipe, Ma Rosario de; Mañero, F. J. Gutiérrez

doi:10.1007/s002480000081

Cited by 80 publications

(47 citation statements)

References 3 publications

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“…We acknowledge that soil-assisted strategies are not always economically feasible and complicate infrastructure. Thus we are further exploring the potential roles of other previously reported PGP Bacillus spp., such as B. subtilis [40], B. amyloliquefaciens [41], B. pumilus [10], B. licheniformis [42], and B. megaterium [43], plus other autochthonous bacterial species, alone or together with re-vegetation, in bioremediation of lignite mine waste.…”

Section: Discussionmentioning

confidence: 99%

Bioremediation Potential Assessment of Plant Growth-Promoting Autochthonous Bacteria: a Lignite Mine Case Study

Hamidović¹,

Teodorović²,

Lalević³

et al. 2016

Pol. J. Environ. Stud.

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Section: Discussionmentioning

confidence: 99%

Bioremediation Potential Assessment of Plant Growth-Promoting Autochthonous Bacteria: a Lignite Mine Case Study

Hamidović¹,

Teodorović²,

Lalević³

et al. 2016

Pol. J. Environ. Stud.

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“…Probanza et al (2001) inocularon plantas de Pinus pinea con el hongo ectomicorrícico Pisolithus tinctorius y bacterias del género Bacillus (B. licheniformis y B. pumilus). Ambas bacterias promovían el crecimiento de Pinus pinea sin ningún efecto sinérgico con la micorrización.…”

Section: Micorrización Controlada En Viverounclassified

Controlled inoculation of reforestation seedlings with ectomycorrhizal fungi: current knowledge in Spain

Pera¹,

Parladé²

2005

For. syst.

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ResumenDesde el trabajo publicado por Pardos en 1962, se ha desarrollado una importante actividad investigadora en el campo de las ectomicorrizas en España; especialmente en los últimos 20 años. En este artículo, revisaremos los avances conseguidos en el estudio de los hongos ectomicorrícicos en lo que se refiere a su aplicación a la producción de planta para repoblación y a los resultados obtenidos en plantaciones experimentales. Los resultados publicados, principalmente con coníferas inoculadas con hongos de los géneros: Hebeloma, Laccaria, Pisolithus, Rhizopogon, Scleroderma o Suillus, demuestran que la micorrización controlada con hongos seleccionados mejora los procesos de repoblación y revegetación en distintas situaciones ambientales, como: el establecimiento de masas en suelos forestales productivos, tanto con especies autóctonas como con especies exóticas de rápido crecimiento, la repoblación de suelos agrarios abandonados, o la revegetación de suelos áridos de la zona mediterránea.Palabras clave: ectomicorriza, vivero forestal, micorrización de plantones, supervivencia y crecimiento en plantación, reforestación, revegetación. Abstract Controlled inoculation of reforestation seedlings with ectomycorrhizal fungi: current knowledge in SpainAfter the paper published by Pardos in 1962 a considerable effort of investigation on ectomycorrhizas has been done in Spain, especially during the last 20 years. In our article we review the progress achieved in our country concerning the knowledge of ectomycorrhizal fungi, in particular their use in the controlled inoculation of nursery grown plants for reforestation and revegetation purposes, and the performance of these mycorrhizal plants in experimental plantations. Published results mainly involve different conifer species inoculated with fungi belonging to the genera: Hebeloma, Laccaria, Pisolithus, Rhizopogon, Scleroderma or Suillus. These results show that controlled mycorrhizal inoculations with selected fungi improve the reforestation and revegetation processes in defined environmental situations, such as: reforestation of productive forest soils, both using native or introduced tree species, reforestation of set-aside agricultural lands, or revegetation of arid soils in the Mediterranean regions of Spain.Key words: ectomycorrhiza, forest nursery, seedling mycorrhization, field performance, reforestation, revegetation. IntroducciónDel orden del 95% de las especies de plantas terrestres conocidas establecen una simbiosis, a nivel radical y de forma natural, con una serie de hongos del suelo.Esta simbiosis hongo -raíz se conoce con el nombre de micorriza. Se han descrito distintos tipos de micorrizas en función de las estructuras que forman, aunque para las especies arbóreas de interés forestal el tipo de micorriza más importante es el conocido como ectomicorriza (Marks y Kozlowski, 1973; Harley y Smith, 1983; Smith y Read, 1997

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“…Several authors reported that soil amendment with ectomycorrhizal fungi and plant-growth-promoting rhizobacteria (PGPR) increased plant survival and seedling quality, especially in soils with low microbial activity (Chanway 1997, Probanza et al 2001.…”

Section: Introductionmentioning

confidence: 99%

The combined effects of Pseudomonas fluorescens CECT 844 and the black truffle co-inoculation on Pinus nigra seedlings

Núñez¹,

Medina²,

Berrocal-Lobo³

et al. 2015

iForest

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© iForest -Biogeosciences and Forestry IntroductionWater and nutrient availability are the main constraints on plant productivity in semi-arid Mediterranean ecosystems. The preservation of mycoflora diversity depends on the status of plant roots (Marulanda et al. 2006). Forest species in these areas often develop specific strategies to improve their water usage in response to drought (Martínez-Ferri et al. 2000).Several studies have been conducted to improve the quality of seedlings produced in nurseries (Caravaca et al. 2005). Several authors reported that soil amendment with ectomycorrhizal fungi and plant-growth-promoting rhizobacteria (PGPR) increased plant survival and seedling quality, especially in soils with low microbial activity (Chanway 1997, Probanza et al. 2001.Pseudomonas fluorescens generally shows several characteristics of an effective PGPR. It is easily cultivated in vitro, and it colonizes a wide range of ecological niches, including plant rhizospheres (Bolton et al. 1993). Additionally, P. fluorescens genomes are highly diverse, which most likely increases the P. fluorescens survival (Silby et al. 2009). The ecological flexibility of such bacteria allows them to exploit a wide variety of nutrients to adapt to environmental changes for survival. P. fluorescens also improves plant growth by producing phytohormones such as auxins (e.g., IAA -Karabaghli et al. 1998). It also has a high capacity for phosphorus solubilization and can produce siderophores (Matthijs et al. 2007). Despite the very well-known positive effects of P. fluorescens on plant survival, only a few studies have been conducted to study its influence on the growth of forest species (Rincón et al. 2008, Ouahmane et al. 2009). We recently demonstrated that the inoculation of Aleppo pine (Pinus halepensis Mill.) with P. fluorescens CECT 844 improved the vegetative growth and N absorption of the P. halepensis seedlings (Dominguez et al. 2012).The use of environmental-friendly natural microbial inocula, such as PGPR or mycorrhizal fungi, is presented in this study as a potential alternative fertilizers. These microorganisms are also beneficial for the maintenance of pre-existing soil microflora, thus contributing to the conservation of soil biodiversity. The amended soil in the nursey increases the vegetative vigor and morphophysiological quality of forest species growth for reforestation purposes (Chanway 1997).Information regarding the productivity of ectomycorrhizal fungi, their ecological functions and their contributions to the productivity and recovery of altered agroecosystems is increasingly valuable in agroforestry. In Spain, the black truffle (Tuber melanosporum Vitt.) is of substantial economic and social value in rural areas of the Mediterranean (Reyna 2007), although studies on the contributions of T. melanosporum to the growth and physiology of forest plants are scarce (Domínguez-Nuñez 2002). Moreover, the ecological value of such symbiosis in the recovery of Mediterranean ecosystems has not been well characterized.The...

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Effects of inoculation with PGPR Bacillus and Pisolithus tinctorius on Pinus pinea L. growth, bacterial rhizosphere colonization, and mycorrhizal infection

Cited by 80 publications

References 3 publications

Bioremediation Potential Assessment of Plant Growth-Promoting Autochthonous Bacteria: a Lignite Mine Case Study

Bioremediation Potential Assessment of Plant Growth-Promoting Autochthonous Bacteria: a Lignite Mine Case Study

Controlled inoculation of reforestation seedlings with ectomycorrhizal fungi: current knowledge in Spain

The combined effects of Pseudomonas fluorescens CECT 844 and the black truffle co-inoculation on Pinus nigra seedlings

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