Evaluation in the greenhouse of the effects of fungicides on the development of mycorrhiza on leek and wheat

Plenchette, Christian; Perrin, R.

doi:10.1007/bf00206137

Cited by 25 publications

(15 citation statements)

References 17 publications

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“…This effect could be attributed to its non-specific reaction with fungal cell components, particularly thiol groups, by inhibiting respiration. Plenchette and Perrin (1992) reported the same results on wheat roots.…”

Section: Discussionsupporting

confidence: 60%

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Evaluation of some fungicides on mycorrhizal symbiosis between two Glomus species from commercial inocula and Allium porrum L. seedlings

Hernández-Dorrego¹,

Parés²

2010

Span. j. agric. res.

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This paper reports the effect of twenty-five commonly used fungicides in agriculture on two arbuscular mycorrhizal fungi (AMF) present in commercial products of ATENS, S.L.: Glomus intraradices (Schenck & Smith) and Glomus mosseae [(Nicol. & Gerd.) Gerdemann & Trappe], forming the symbiosis with leek plants. Systemic fungicides (Aliette, Beltanol, Caddy 10, Forum, Moncut, Ortiva, Previcur, Ridomil Gold MZ, Ridomil Gold SL, Rubigan, Sinthane, Stroby, Swich, Tachigarem, Teldor, Topas 10 EC, Frupica) and non systemic fungicides (Daconil 75%, Ditiver, Euparem, INACOP, Octagón, Parmex, Terrazole and Metaram), started to be applied to soil and leaves at recommended concentrations and frequencies 4 weeks after transplant and AMF inoculation. The effect of the fungicides was assessed by comparing treated and untreated plants that were inoculated with the AMF through quantification of root mycorrhizal colonization. Among the fungicides applied to the soil, Octagon, Ditiver, Parmex and Metaram virtually eliminated the mycorrhizal symbiosis in treated plants, while the mycorrhizal colonization was not affected by the soil treatment with Beltanol, INACOP and Previcur. Three fungicides of foliar recommended application: Rubigan, Frupica, and Sinthane, strongly inhibited mycorrhizal colonization, but Aliette, Forum, Teldor, Swich and Ortiva, did not seem to reduce it substantially. In addition, the work describes the individual effect of each fungicide applied on both, foliage and soil.

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Section: Discussionsupporting

confidence: 60%

“…It has been found that many fungicides of foliar recommended application drenched to the soil have a pronounced inhibitory effect on the development of AM fungi (Plenchette and Perrin, 1992) and may act more drastically on soil infectivity that fungicide spraying.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of some fungicides on mycorrhizal symbiosis between two Glomus species from commercial inocula and Allium porrum L. seedlings

Hernández-Dorrego¹,

Parés²

2010

Span. j. agric. res.

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“…It has also been documented that some fungicides (fosetyl-Al, metalaxyl, promamocarb) not only preserve but also stimulate AM fungi (Jalali and Domsch 1975;Kendrick 1985, 1987;Rutto et al 1999). Fungicides applied as seed coating (Spokes et al 1989) are probably more detrimental to AM development than fungicides that are applied when plants are already mycorrhizal (Plenchette and Perrin 1992).…”

Section: (I) Plant Modificationsmentioning

confidence: 99%

Managing arbuscular mycorrhizal fungi in cropping systems

Plenchette¹,

Clermont-Dauphin²,

Meynard³

et al. 2005

Can. J. Plant Sci.

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173

111

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Plencette, C., Clermont-Dauphin, C., Meynard, J. M. and Fortin, J. A. 2005. Managing arbuscular mycorrhizal fungi in cropping systems. Can. J. Plant Sci. 85: 31-40. Market globalization, demographic pressure, and environmental degradation have led us to reconsider many of our current agricultural systems. The heavy use of chemical inputs, including fertilizers and pesticides, has resulted in pollution, decreased biodiversity in intensively-farmed regions, degradation of fragile agro-ecosystems, and prohibitive costs for many farmers. Low input sustainable cropping systems should replace conventional agriculture, but this requires a more comprehensive understanding of the biological interactions within agro-ecosystems. Mycorrhizal fungi appear to be the most important telluric organisms to consider. Mycorrhizae, which result from a symbiosis between these fungi and plant roots, are directly involved in plant mineral nutrition, the control of plant pathogens, and drought tolerance. Most horticultural and crop plants are symbiotic with arbuscular mycorrhizal fungi. Mycorrhizal literature is abundant, showing that stimulation of plant growth can be mainly attributed to improved phosphorous nutrition. Although the mycorrhizal potential of its symbiosis to improve crop production is widely recognized, it is not implemented in agricultural systems. There is an urgent need to improve and widely apply analytical methods to evaluate characteristics such as, relative field mycorrhizal dependency, soil mycorrhizal infectivity, and mycorrhizal receptivity of soil. Decreased use of fertilizers, pesticides, and tillage will favour arbuscular mycorrhizal fungi. However, shifting from one system to a more sustainable one is not easy since all components of the cropping system are closely linked. Different cases, from actual agricultural practices in different countries, are analyzed to highlight situations in which mycorrhizae might or might not play a role in developing more sustainable agriculture. Key words:Cropping systems, mycorrhizae, sustainability, technical itineraries, rotation Plencette, C., Clermont-Dauphin, C., Meynard, J. M. et Fortin, J. A. 2005. Gestion des champignons mycorchiziens a arbuscules dans les systemes de culture. Can. J. Plant Sci. 85: 31-40. La globalisation mondiale du marché, la pression démographique et la dégradation de l'environnement ont, dans plusieurs parties du monde, mené à une réévaluation des systèmes agricoles actuels. Les modifications de l'environnement montrent que l'utilisation des engrais et des pesticides a atteint ses limites : pollution et perte de biodiversité dans les régions d'agriculture intensive, dégradation des systèmes agricoles les plus fragiles, coûts prohibitifs pour les producteurs les plus pauvres. L'agriculture conventionnelle doit s'orienter vers des pratiques plus durables, mais les systèmes de culture durable à faibles intrants ne pourront être viables que par une meilleure connaissance et maîtrise des interactions biologiques dans ces agro-systèmes. Les champign...

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“…Contradictory effects of different propiconazole formulations applied on AMF colonized plants grown in pots were observed. No negative impacts on AMF development were reported by Nemec (1985), Hetrick et al (1988), Plenchette and Perrin (1992), Von Alten (1993) and Kjoller and Rosendahl (2000). However inhibition of plant colonization and spore germination were described (Dodd and Jeffries, 1989;Plenchette and Perrin, 1992).…”

Section: Discussionmentioning

confidence: 95%

“…No negative impacts on AMF development were reported by Nemec (1985), Hetrick et al (1988), Plenchette and Perrin (1992), Von Alten (1993) and Kjoller and Rosendahl (2000). However inhibition of plant colonization and spore germination were described (Dodd and Jeffries, 1989;Plenchette and Perrin, 1992). The diversity of experimental procedures of these studies (plant species, growth conditions, fungicide formulations, application methods of fungicides, micro-organisms) present led to some difficulties to compare results, and to conclude on the impact of SBI on AMF .…”

Section: Discussionmentioning

confidence: 99%

Propiconazole Toxicity on the Non-Target Organism, the Arbuscular Mycorrhizal Fungus, Glomus irregulare

Calonne¹,

Fontaine²,

Debiane³

et al. 2010

Fungicides

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Evaluation in the greenhouse of the effects of fungicides on the development of mycorrhiza on leek and wheat

Cited by 25 publications

References 17 publications

Evaluation of some fungicides on mycorrhizal symbiosis between two Glomus species from commercial inocula and Allium porrum L. seedlings

Evaluation of some fungicides on mycorrhizal symbiosis between two Glomus species from commercial inocula and Allium porrum L. seedlings

Managing arbuscular mycorrhizal fungi in cropping systems

Propiconazole Toxicity on the Non-Target Organism, the Arbuscular Mycorrhizal Fungus, Glomus irregulare

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