Use of the arbuscular mycorrhizal fungus Glomus intraradices as biological control agent of the nematode Nacobbus aberrans parasitizing tomato

Marro, Nicolás; Lax, Paola; Cabello, Marta Noemí; Doucet, Marcelo E.; Becerra, Alejandra Gabriela

doi:10.1590/s1516-8913201402200

Cited by 38 publications

(16 citation statements)

References 25 publications

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“…Additional or alternative mechanisms, such as a competition for nutrients and space or the synthesis of nematicidal microbial metabolites have been also suggested [57][58][59]. The nematicidal effectiveness of chitosan products was generally attributed to the induction of a local or systemic plant resistance [60], though an enhancement of nematode-suppressive rhizospheric bacteria and fungi has been also hypothesized [36,40].…”

Section: Discussionmentioning

confidence: 99%

“…Suppressiveness to root-knot nematodes of these products, either alone or combined with other microorganisms or plant extracts, was documented both in field and greenhouse [36][37][38][39]. Moreover, their activity was demonstrated also on other phytonematode parasites, such as Nacobbus aberrans Thorne et Allen or Helicotylenchus multicinctus (Cobb) Golden on field banana and greenhouse tomato, respectively [40,41]. In addition to mycorrhizal fungi, formulations of other fungal or bacterial biocontrol agents (Trichoderma spp., Bacillus spp.)…”

Section: The Literature Reviewmentioning

confidence: 99%

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Biostimulants for Plant Growth Promotion and Sustainable Management of Phytoparasitic Nematodes in Vegetable Crops

D’Addabbo

Laquale²,

Perniola³

et al. 2019

Agronomy

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The parasitism of root-knot nematodes, Meloidogyne spp., can cause heavy yield losses to vegetable crops. Plant biostimulants are often reported for a side-suppressive effect on these pests and many commercial products are increasingly included in sustainable nematode control strategies. Source materials of most biostimulants derived from plant or seaweed raw materials were documented for a reliable suppression of root-knot nematode species, whereas the suppressiveness of microbial biostimulants was found largely variable, as related to the crop and to environmental factors. Chitosan-based biostimulants were also stated for a variable phytonematode suppression, though clearly demonstrated only by a few number of studies. In a preliminary experimental case study, four commercial biostimulants based on quillay extract (QE), sesame oil (SO), seaweeds (SE), or neem seed cake (NC) were comparatively investigated for their effects against the root-knot nematode M. incognita on potted tomato. Soil treatments with all the four biostimulants resulted in a significant reduction of nematode eggs and galls on tomato roots, though NC and SO were significantly more suppressive than QE or SE. In addition, almost all biostimulant treatments also resulted in a significant improvement of tomato growth compared to the non-treated control. These preliminary results seem to confirm the literature data and clearly indicate the potential role of biostimulants for a safe nematode management both in organic and integrated crop systems.

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Section: Discussionmentioning

confidence: 99%

Section: The Literature Reviewmentioning

confidence: 99%

Biostimulants for Plant Growth Promotion and Sustainable Management of Phytoparasitic Nematodes in Vegetable Crops

D’Addabbo

Laquale²,

Perniola³

et al. 2019

Agronomy

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“…), attacked by M. javanica. (Mwangi et al, 2011;Marro et al, 2014;Banerjee et al, 2013). The AMF, applied on G. intraradices increased plant height, leaf and root dry biomass, panicle length, and protein content in the grain of sorghum (Diaz-Franco et al, 2008).…”

Section: Arbuscular Mycorrhizal Fungi (Amf)mentioning

confidence: 99%

A bioeconomic Approach for the Production of Biofertilizers and their influence on Faba Bean (Vicia faba L) Productivity

Zendejas¹,

Oba²,

Oba³

et al. 2015

JNS

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Nowadays humanity faces severe environmental problems, due to the large amounts produced of organic waste from industry, agriculture and household, besides the sewage sludge from wastewater treatment plants; and, the loss of soil fertility due, in part, to the extended use of chemical fertilizers. However, bioeconomy takes advantage of biological resources or bioprocesses for the production of value added products; in this sense, we evaluate two fertilizers, an inoculum of Arbuscular Mycorrhizal Fungi (AMF), and a compost prepared with sludge from two wastewater treatment plants, agriculture residues and chile waste. They were tested sole and as a mixture, over the growth of faba bean. Application of AMF with or without compost, increased the plant height, fresh and dry biomass of foliage and fresh root biomass, compared to the use of compost or soil. In the presence of AMF the fresh biomass was increased by 39% and with compost 26% compared with control. The application of biofertilizers, such as compost and AMF are a viable alternative to the use of chemical fertilizers, so it is necessary to promote their use.

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“…Arbuscular mycorrhizal fungi (AMF), including the species Rhizophagus intraradices (Schenck and Smith) Walker and Schüβler, have been widely used to promote host development and protection against root pathogens (e.g. MARRO et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

NEOTROPICAL TREE PRODUCTION: INSIGHTS INTO GERMINATION, GROWTH AND OUTPLANTING FOR Maytenus boaria

Marro

Soteras

Cofré

et al. 2017

CERNE

Self Cite

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Knowledge about tree production practices is essential to support forest restoration projects, but is still lacking for many tree species. Maytenus boaria is a neotropical tree distributed across the temperate and subtropical South American mountains. In central Argentina, it is mainly restricted to the most preserved forest remnants. Attempts to plant this species have had little success due to difficulties in seedling production and low seedling survival. We set up four trials aiming to identify the constraints of seedling production and outplanting. Under greenhouse conditions, we evaluated (i) pre-germination treatments and (ii) seedling response to inoculation with arbuscular mycorrhizal fungi (AMF). In the field, we planted M. boaria saplings as well as saplings of the most abundant tree in our study site and recorded (iii) survival and height for 10 years. Finally, (iv) we quantified natural recruitment in an attempt to determine M. boaria regeneration niche. Germination varied from 13.1 to 29.2% among treatments. Depulped seeds stratified at 5 ºC showed the highest germination (29.2%). Shoot phosphorus concentration in AMF-treated seedlings was significantly higher (45%) than in non-inoculated seedlings. Survival of M. boaria saplings was similar to that of the most abundant tree in our study site, but their lower height suggested limited growth. We recorded low abundance of M. boaria seedlings in the field; therefore, we were unable to identify the characteristics of its regeneration niche. Reforestation activities should include seed depulping and stratification at 5 ºC to improve germination. The capacity of AMF to enhance nutrition should be evaluated under field conditions. PRODUÇÃO DE ÁRVORE NEOTROPICAL: PERCEPÇÕES SOBRE A GERMINAÇÃO, CRESCIMENTO E PLANTIO DE Maytenus boaria RESUMO:Conhecimento sobre as práticas de produção da árvore é essencial para apoiar projetos de restauração florestal, mas é ainda insuficiente para muitas espécies arbóreas. Maytenus boaria é uma árvore neotropical distribuída pelas montanhas temperadas e subtropicais da América do Sul. No centro da Argentina, é majoritariamente restrita nos remanescentes de floresta mais preservados. Tentativas de plantar esta espécie tiveram pouco sucesso devido às dificuldades de produção de mudas e baixa sobrevivência das plântulas. Montamos quatro ensaios com o objetivo de identificar as restrições à produção de mudas e plantio de campo. Sob condições de estufa, avaliamos os tratamentos de (i) pré-germinação e (ii) resposta das plântulas à inoculação com fungos micorrízicos arbusculares (FMA). No campo, nós plantadas mudas de M. boaria, bem como mudas da árvore mais abundante em nosso local de estudo, e avaliamos a (iii) sobrevivência e altura por 10 anos. Finalmente, (iv) nós quantificamos o recrutamento natural em tentativa de determinar o nicho de regeneração da M. boaria. A germinação variou de 13,1 a 29,2% entre os tratamentos. Sementes sem a polpa estratificadas a 5 °C obtiveram a maior germinação (29,2%). Concentração de ...

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Use of the arbuscular mycorrhizal fungus Glomus intraradices as biological control agent of the nematode Nacobbus aberrans parasitizing tomato

Abstract: The plant-parasitic nematode Nacobbus aberrans is an endoparasite that induces gall formation in the roots

Cited by 38 publications

References 25 publications

Biostimulants for Plant Growth Promotion and Sustainable Management of Phytoparasitic Nematodes in Vegetable Crops

Biostimulants for Plant Growth Promotion and Sustainable Management of Phytoparasitic Nematodes in Vegetable Crops

A bioeconomic Approach for the Production of Biofertilizers and their influence on Faba Bean (Vicia faba L) Productivity

NEOTROPICAL TREE PRODUCTION: INSIGHTS INTO GERMINATION, GROWTH AND OUTPLANTING FOR Maytenus boaria

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