Biological control of one species belonging to the dominant mycobiota of rice of Valencia

Sempere, F.; Santamarina, M. Pilar

doi:10.1007/bf03179438

Cited by 3 publications

(2 citation statements)

References 54 publications

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“…T. harzianum exerted two mechanisms synergically over F. culmorum in nearly all conditions (0.995, 0.98 and both temperatures, 0.95 and 25ºC): mycoparasitism and competition for space and nutrients. The same results were obtained when T. harzianum were co-cultured with other rice species in these environmental conditions , 2008, 2009b. T. harzianum could be a good biological control agent of the rice pathogens in a future but more research is necessary for this consideration.…”

Section: Micromorphological Studies Of Antagonistic Activitysupporting

confidence: 84%

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Efficacy of Trichoderma harzianum in suppression of Fusarium culmorum

Ferre

Santamarina

2010

Ann Microbiol

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Colonies of Trichoderma harzianum were inhibitory of strains of Fusarium culmorum in different environmental conditions. The degree of inhibition was dependent on the temperature and water activity treatments. Nearly all macroscopic analysis of the Petri plates revealed that Trichoderma harzianum against F. culmorum was a competitor for space and nutrients. In these conditions the microscopic study showed that Trichoderma harzianum was a mycoparasite. The possible production of cell-wall degrading enzymes by Trichoderma harzianum and its effect on mycelia of F. culmorum are discussed.

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Section: Micromorphological Studies Of Antagonistic Activitysupporting

confidence: 84%

“…The studies revealed that Trichoderma harzianum antagonized these strains by mechanisms such as mycoparasitism, competition for space and nutrients, antibiosis and suppression of the sporulation capacity , 2008, 2009b.…”

Section: Introductionmentioning

confidence: 99%

Efficacy of Trichoderma harzianum in suppression of Fusarium culmorum

Ferre

Santamarina

2010

Ann Microbiol

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Plant Host and Geographic Location Drive Endophyte Community Composition in the Face of Perturbation

et al. 2016

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All plants form symbioses with endophytic fungi, which affect host plant health and function. Most endophytic fungi are horizontally transmitted, and consequently, local environment and geographic location greatly influence endophyte community composition. Growing evidence also suggests that identity of the plant host (e.g., species, genotype) can be important in shaping endophyte communities. However, little is known about how disturbances to plants affect their fungal symbiont communities. The goal of this study was to test if disturbances, from both natural and anthropogenic sources, can alter endophyte communities independent of geographic location or plant host identity. Using the plant species white snakeroot (Ageratina altissima; Asteraceae), we conducted two experiments that tested the effect of perturbation on endophyte communities. First, we examined endophyte response to leaf mining insect activity, a natural perturbation, in three replicate populations. Second, for one population, we applied fungicide to plant leaves to test endophyte community response to an anthropogenic perturbation. Using culture-based methods and Sanger sequencing of fungal isolates, we then examined abundance, diversity, and community structure of endophytic fungi in leaves subjected to perturbations by leaf mining and fungicide application. Our results show that plant host individual and geographic location are the major determinants of endophyte community composition even in the face of perturbations. Unexpectedly, we found that leaf mining did not impact endophyte communities in white snakeroot, but fungicide treatment resulted in small but significant changes in endophyte community structure. Together, our results suggest that endophyte communities are highly resistant to biotic and anthropogenic disturbances.

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