Control of Fusarium spp. causing damping-off of pine seedlings by means of selected essential oils

Seseni, L.; Régnier, Thierry; Merwe, M. P. Roux-van der; Mogale, E.; Badenhorst, J.

doi:10.1016/j.indcrop.2015.07.002

Cited by 13 publications

(12 citation statements)

References 13 publications

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“…These results are in line with the observations of other authors. Seseni et al (2015) examined the effect of different EOs on growth inhibition of Fusarium under in vitro conditions. The antifungal activity depended on the kind of EO and its concentration.…”

Section: Discussionmentioning

confidence: 99%

Antifungal activity of selected essential oils against Fusarium culmorum and F. graminearum and their secondary metabolites in wheat seeds

et al. 2019

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Essential oils (EOs) are products of plant origin and include mixtures of different chemical compounds. These volatile substances have many interesting properties, including antifungal properties. Fungi may develop under field conditions on crops such as wheat or corn and are able to synthesize mycotoxins, which adversely affect livestock and human health. In the present study, selected EOs were used to inhibit the growth of Fusarium graminearum and F. culmorum and reduce the concentrations of mycotoxins in wheat grain. The EOs significantly inhibited the growth of tested Fusarium species (90.99–99.99%), as determined based on ergosterol quantitative analysis. Only the addition of orange oil to F. culmorum exhibits a different inhibition capacity (68.13%). EO application resulted in a large reduction in zearalenone content (99.08–99.99%); only in the case of orange oil application was the reduction estimated at approximately 68.33%. However, all EOs provided a significant reduction in the concentration levels of group B trichothecenes (94.51–100%). It can be concluded that EOs inhibit the growth of fungi of the genus Fusarium and reduce concentration levels of the mycotoxins zearalenone and group B trichothecenes.

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Section: Discussionmentioning

confidence: 99%

Antifungal activity of selected essential oils against Fusarium culmorum and F. graminearum and their secondary metabolites in wheat seeds

et al. 2019

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“…Furthermore, Fusarium sp. was identified, which may be responsible for the damping-off (Seseni et al 2015), a worldwide disease caused by soil-borne pathogens that rots seedlings (Lamichhane et al 2017). The conditions in the cocopeat substrate (Abad et al 2002;Awang et al 2009; see also section 4.2), might have contributed to the development of damping off.…”

Section: Ecm Treatmentmentioning

confidence: 99%

Effects of soil nutrient availability and ozone on container-grown Japanese larch seedlings and role of soil microbes

et al. 2019

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other than ozone. Inoculation of roots with ectomycorrhizae had negligible influence on the effects of either soil nutrient availability or ozone. However, this lack of effect may be upon impeded formation of complete mycorrhizal root tips due to factors other than the manipulated variables. B and Na appeared to have an important role in stress responses, so further studies to examine their link with physiological mechanisms as a function of time. This study provides an important perspective for designing forestry practices to enhance seedling health.

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“…For in vitro and in planta fungal antagonism assays, single bacterial colonies were inoculated into Luria Bertani broth and grown for two days at room temperature (20)(21)(22)(23)(24)(25) • C). Cells were washed twice with 0.03 M MgSO 4 and the final suspension adjusted to an optical density measured at 600 nm of 0.5.…”

Section: Microorganismsmentioning

confidence: 99%

“…Many in vitro studies have reported the efficacy of essential oils against fungi including sapstain fungi (Ophiostoma piceae, Aureobasidum pullulans, Alternaria alternata, Gliocladium viride) [52], Fusarium spp. [15,24,53], and D. pinea [15]. However, plant conditions may change the efficiency of essential oils, therefore fungal inhibition must be assessed in situ.…”

Section: Essential Oilsmentioning

confidence: 99%

Biocontrol of Fusarium circinatum Infection of Young Pinus radiata Trees

Iturritxa

Trask

Mesanza

et al. 2017

Forests

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Pitch canker, caused by the fungus Fusarium circinatum, is a major disease of Pinus radiata currently controlled to some extent in nurseries by good hygiene and application of synthetic fungicides. The aim of this study was to evaluate alternative strategies to control fungal infections in nurseries and young pine plantations. The antagonistic effects of biocontrol bacteria and essential oils against F. circinatum in vitro and in young P. radiata trees were assessed. Pseudomonas fluorescens, Erwinia billingiae, and Bacillus simplex reduced the growth of the fungus in vitro by 17%-29%, and decreased the density of the mycelial mat. In young P. radiata trees, the length of F. circinatum lesions was reduced by 22%-25% by the same bacterial strains. Direct application of cinnamon and/or clove essential oils to wounds in stems of two-year-old P. radiata trees also limited the damage caused by F. circinatum. Lesion length was reduced by 51% following treatment with cinnamon oil (10% v/v), and by 45% following treatment with clove oil (15% v/v) or a combination of both oils. However, the oils were toxic to younger trees. The biocontrol bacteria and essential oils show promise as prophylactic treatments to reduce the devastating effects of F. circinatum on P. radiata.

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Control of Fusarium spp. causing damping-off of pine seedlings by means of selected essential oils

Cited by 13 publications

References 13 publications

Antifungal activity of selected essential oils against Fusarium culmorum and F. graminearum and their secondary metabolites in wheat seeds

Antifungal activity of selected essential oils against Fusarium culmorum and F. graminearum and their secondary metabolites in wheat seeds

Effects of soil nutrient availability and ozone on container-grown Japanese larch seedlings and role of soil microbes

Biocontrol of Fusarium circinatum Infection of Young Pinus radiata Trees

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