Mutualistic endophytic fungi and in-planta suppressiveness to plant parasitic nematodes

Sikora, R. A.; Pocasangre, L. E.; Felde, A. zum; Niere, Björn; Vu, Thang Tat; Dababat, Abdelfattah A.

doi:10.1016/j.biocontrol.2008.02.011

Cited by 144 publications

(82 citation statements)

References 24 publications

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“…Moneymaker roots by M. incognita second stage juveniles was significantly lower in endophyte inoculated roots as compared to the control. Our study is in accordance with previous experiments by others (Dababat and Sikora 2007a, b;Martinuz et al 2012b;Sikora et al 2008). With respect to reduced female fecundity, Martinuz et al (2012a) and Sharon et al (2001) also reported that fewer adult rootknot nematodes had infected tomato roots and also fewer nematodes had reached the female stage 28 days after M. incognita and M. javanica inoculation in endophytetreated plants.…”

Section: Fungal Endophytes With Biocontrol Potentialsupporting

confidence: 93%

“…Intensive studies performed by Sikora et al (2008) emphasized that the establishment of endophytic symbiosis with plants seems to be a general prerequisite for an effective reduction of nematode pathogens. Other modes of action that lead to the overall reduction in M. incognita infestation may include the accumulation of certain fungal metabolites or the triggered plant defense responses.…”

Section: Fungal Endophytes With Biocontrol Potentialmentioning

confidence: 99%

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Fungal root endophytes of tomato from Kenya and their nematode biocontrol potential

et al. 2016

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The significance of fungal endophytes in African agriculture, particularly Kenya, has not been well investigated. Therefore, the objective of the present work was isolation, multi-gene phylogenetic characterization and biocontrol assessment of endophytic fungi harbored in tomato roots for nematode infection management. A survey was conducted in five different counties along the central and coastal regions of Kenya to determine the culturable endophytic mycobiota. A total of 76 fungal isolates were obtained and characterized into 40 operational taxonomic units based on the analysis of ITS, β-tubulin and tef1α gene sequence data. Among the fungal isolates recovered, the most prevalent species associated with tomato roots were members of the Fusarium oxysporum and F. solani species complexes. Of the three genes utilized for endophyte characterization, tef1α provided the best resolution. A combination of ITS, β-tubulin and tef1α resulted in a better resolution as compared to single gene analysis. Biotests demonstrated the ability of selected non-pathogenic fungal isolates to successfully reduce nematode penetration and subsequent galling as well as reproduction of the root-knot nematode Meloidogyne incognita. Most Trichoderma asperellum and F. oxysporum species complex isolates reduced root-knot nematode egg densities by 35-46 % as compared to the nonfungal control and other isolates. This study provides first insights into the culturable endophytic mycobiota of tomato roots in Kenya and the potential of some isolates for use against the root-knot nematode M. incognita. The data can serve as a framework for fingerprinting potential beneficial endophytic fungal isolates which are optimized for abiotic and biotic environments and are useful in biocontrol strategies -016-1169-9 against nematode pests in Kenyan tomato cultivars. This information would therefore provide an alternative or complementary crop protection component.

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Section: Fungal Endophytes With Biocontrol Potentialsupporting

confidence: 93%

Section: Fungal Endophytes With Biocontrol Potentialmentioning

confidence: 99%

Fungal root endophytes of tomato from Kenya and their nematode biocontrol potential

et al. 2016

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“…Anti-pathogen protection mediated by endophytes has been observed also in nongramineous hosts. For example, endophytic fungi have been found to protect tomatoes (Hallman and Sikora, 1995) and bananas (Pocasangre et al, 2001;Sikora et al, 2008) from nematodes, and beans and barley (Boyle et al, 2001) from fungal pathogens. However, even with the accumulating evidence that endophytic fungi can reduce pathogen damage in grasses and other host plants, little is known about the generality of this role in natural systems and whether it can be exploited as a biocontrol strategy in crop protection.…”

mentioning

confidence: 99%

Endophytic fungi as biocontrol agents of Theobroma cacao pathogens

Mejía¹,

Rojas²,

Maynard³

et al. 2008

Biological Control

384

236

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“…They live in the rhizosphere and colonize the root surface. Their antagonistic activity is focused at fungal pathogens, but they affect the RKN life cycle also (reviewed in Sikora et al, 2008). Trichoderma spp.…”

Section: Fungal Biocontrol Agentsmentioning

confidence: 99%

Biological Control of Root-Knot Nematodes (Meloidogyne spp.): Microbes against the Pests / BIOTIČNO ZATIRANJE OGORČIC KORENINSKIH ŠIŠK (Meloidogyne spp.): MIKROORGANIZMI PROTI ŠKODLJIVCEM

Lamovšek¹,

Urek²,

Trdan³

2013

Acta Agriculturae Slovenica

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Root-knot nematodes (Meloidogyne spp.) are important pests of many cultivated plants. Recently, the most efficient chemical control products (e.g. methyl bromide) have now been restricted due to their toxic characteristics. Research on agents that work against root-knot nematodes and do not have a detrimental impact on the environment is becoming increasingly important. Advances in the last decades produced quite a number of biocontrol products that are already marketed. Some of the well-accepted commercial products contain bacteria Bacillus firmus and Pasteuria penetrans, and fungus Purpureocillium lilacinus. In this review we summarize the antagonistic activity of bacteria and fungi, with their advantages and limitations in biocontrol of root-knot nematodes.Key words: biological control, Meloidogyne spp., antagonisms, bacteria, fungi, commercial products IZVLEČEK BIOTIČNO ZATIRANJE OGORČIC KORENINSKIH ŠIŠK (Meloidogyne spp.): MIKROORGANIZMI PROTI ŠKODLJIVCEMOgorčice koreninskih šišk (Meloidogyne spp.) uvrščamo med pomembne škodljivce številnih kmetijskih rastlin. Najbolj učinkovita kemična sredstva za njihovo zatiranje so močno strupena, zato je njihova uporaba močno omejena ali celo prepovedana (npr. metil bromid). Razvoj na področju pripravkov za zatiranje ogorčic koreninskih šišk z okoljsko sprejemljivimi lastnostmi se povečuje. Napredek v zadnjih desetletjih je viden v večjem številu biotičnih pripravkov, mnogi med njimi se danes že tržijo. Aktivne snovi v uveljavljenih biotičnih sredstvih sta bakteriji Bacillus firmus in Pasteuria penetrans ter gliva Purpureocillium lilacinus. V članku je predstavljen pregled zaviralnih mehanizmov delovanja bakterij in gliv, prav tako omenjamo največje prednosti in slabosti njihove uporabe v biotičnem zatiranju ogorčic koreninskih šišk.Ključne besede: biotično varstvo rastlin, Meloidogyne spp., antagonizem, bakterije, glive, tržni pripravki

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Mutualistic endophytic fungi and in-planta suppressiveness to plant parasitic nematodes

Cited by 144 publications

References 24 publications

Fungal root endophytes of tomato from Kenya and their nematode biocontrol potential

Fungal root endophytes of tomato from Kenya and their nematode biocontrol potential

Endophytic fungi as biocontrol agents of Theobroma cacao pathogens

Biological Control of Root-Knot Nematodes (Meloidogyne spp.): Microbes against the Pests / BIOTIČNO ZATIRANJE OGORČIC KORENINSKIH ŠIŠK (Meloidogyne spp.): MIKROORGANIZMI PROTI ŠKODLJIVCEM

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