Synergistic activity of antagonistic Trichoderma spp. and Rhizoctonia solani increases disease severity on strawberry petioles

Hu, Yanrui; Yang, Hee-Jong; Jianhui, Jin; Yan, Hengyu; Wang, J. P.; Zhang, R. Q.

doi:10.1007/s10658-022-02568-w

Cited by 9 publications

(4 citation statements)

References 55 publications

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“…All native Trichoderma isolates showed well-enzymatic activities of protease, cellulose, chitinase, and glucanase. Another result obtained from this study is that the antagonistic effect of the five Trichoderma isolates against R. solani in the petioles of strawberries was ordered as follows: T2 (34.8%) > T4 (−16.7%) > T3 (−46%) > T5 (−171.5%) > T1 (−172%) [99]. Native T. viride isolates were collected from the rhizosphere of sound strawberries.…”

Section: The Use Of the Antagonistic Properties Of Native Trichoderma...mentioning

confidence: 66%

Native Trichoderma Strains Biocontrol Potential against Soil-Borne Pathogens: Strawberry

Korkom

2023

Edible Berries - New Insights

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Strawberry production remains important in the world. Soil-borne fungal pathogens (such as Macrophomina phaseolina, Rhizoctonia spp., Fusarium oxysporum, Phytophthora spp., and Pythium spp.) are causing serious problems for strawberry farmers. Distinct treatments, such as fumigation, resilient varieties, solarization, rotating crops, synthetic fungicides, and cultural practices are used to combat infections of soil-borne in strawberries. Since strawberry fruits are consumed immediately, fungicide treatments raise a number of problems, including pesticide residue on the fruits which gives harmful effects on consumers. Solarized soils are often effective against certain soil-borne pathogens. New studies have focused on eco-friendly biological control agents (BCAs) that can be used as effective substitutes for fungicides. Trichoderma strains are efficient BCAs that have different mechanisms against soil-borne diseases in strawberries. Despite the success of commercial Trichoderma-based products, their low efficacy or ineffectiveness against targeted pathogens are major limitations under field conditions. Native Trichoderma strains that can be used to control this disease are ideal antagonists. This section discusses the potential of native Trichoderma strains to combat soil-borne pathogens in strawberry fields.

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Section: The Use Of the Antagonistic Properties Of Native Trichoderma...mentioning

confidence: 66%

Native Trichoderma Strains Biocontrol Potential against Soil-Borne Pathogens: Strawberry

Korkom

2023

Edible Berries - New Insights

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“…For this study, nine isolates of Trichoderma numbered as T1, T2, T3, T4, T5, T6, T7, T8, and T9, respectively were used. Among them, T. atroviride T1 (OP009872), T. harzianum T2 (OP010005), T. atroviride T3 (OP010004), T. harzianum T4 (OP010007) and T. harzianum T5 (OP019728) have been isolated and identi ed in a previous research (Hu et al 2022). The remaining four strains, T6 to T9 were isolated from peanut rhizosphere soil in Qingdao, Shandong Province, and have yet to be identi ed by morphological characteristics and ITS sequencing.…”

Section: Fungal Strains and Growth Conditionsmentioning

confidence: 99%

Biocontrol of strawberry Botrytis gray mold and prolong the fruit shelf-life by fumigant Trichoderma spp.

Fan,

Lin,

et al. 2024

Biotechnol Lett

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ObjectivesTo screen high active VOCs-producing Trichoderma isolates against strawberry gray mold caused by Botrytis cinerea, and to explore their antagonistic mode of action against the pathogen. ResultsVOCs produced by nine Trichoderma isolates (Trichoderma atroviride T1 and T3, Trichoderma harzianum T2, T4 and T5, T6, T7, T8 and T9 identi ed as Trichoderma asperellum by ITS sequencing in this work) signi cantly inhibited the mycelial growth (13.9 − 63.0% reduction) and conidial germination (17.6 − 96.3% reduction) of B. cinerea, the highest inhibition percentage belonged to VOCs of T7; in a closed space, VOCs of T7 shared 76.9% and 100% biocontrol e cacy against gray mold on strawberry fruits and detached leaves, respectively, prolonged the fruit shelf-life by 3 days in presence of B. cinerea, completely protected the leaves from the pathogen infection; volatile metabolites of T7 damaged the cell membrane permeability and integrity of B. cinerea both on water agar or on strawberry leaf surface, thereby inhibiting the mycelia growth, conidia germination and the formation of infection pads. ConclusionsT. asperellum T7 showed high biofumigant activity against mycelial growth especially conidial germination of B. cinerea and thus protected strawberry fruits and leaves from gray mold, which acted by damaging the pathogen's plasma membrane and resulting in cytoplasm leakage, was a potential biofumigant for controlling pre-and post-harvest strawberry gray mold.

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“…Trichoderma species have been used as biological control agents (BCAs) and as an alternative to synthetic fungicides to control a variety of plant diseases [9,10]. The biocontrol mechanisms of Trichoderma are based on the activation of multiple mechanisms, either indirectly, by competing for space and nutrients, promoting plant growth, plant defensive mechanisms, and antibiosis, or directly, by mycoparasitism [11,12].…”

Section: Introductionmentioning

confidence: 99%

Biocontrol Potential of Trichoderma asperellum CMT10 against Strawberry Root Rot Disease

Liu,

Yang,

Wang

et al. 2024

Horticulturae

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Strawberry root rot caused by Neopestalotiopsis clavispora is one of the main diseases of strawberries and significantly impacts the yield and quality of strawberry fruit. Currently, the only accessible control methods are fungicide sprays, which could have an adverse effect on the consumers of the strawberries. Biological control is becoming an alternative method for the control of plant diseases to replace or decrease the application of traditional synthetic chemical fungicides. Trichoderma spp. are frequently used as biological agents to prevent root rot in strawberries. In order to provide highly effective biocontrol resources for controlling strawberry root rot caused by Neopestalotiopsis clavispora, the biocontrol mechanism, the control effects of T. asperellum CMT10 against strawberry root rot, and the growth-promoting effects on strawberry seedlings were investigated using plate culture, microscopy observation, and root drenching methods. The results showed that CMT10 had obvious competitive, antimycotic, and hyperparasitic effects on N. clavispora CMGF3. The CMT10 could quickly occupy nutritional space, and the inhibition rate of CMT10 against CMGF3 was 65.49% 7 d after co-culture. The inhibition rates of volatile metabolites and fermentation metabolites produced by CMT10 were 79.67% and 69.84% against CMGF3, respectively. The mycelium of CMT10 can act as a hyperparasite by contacting, winding, and penetrating the hyphae of CMGF3. Pot experiment showed that the biocontrol efficiency of CMT10 on strawberry root rot caused by Neopestalotiopsis clavispora was 63.09%. CMT10 promoted strawberry growth, plant height, root length, total fresh weight, root fresh weight, stem fresh weight, and root dry weight by 20.09%, 22.39%, 87.11%, 101.58%, 79.82%, and 72.33%, respectively. Overall, this study showed the ability of T. asperellum CMT10 to control strawberry root rot and its potential to be developed as a novel biocontrol agent to replace chemical fungicides for eco-friendly and sustainable agriculture.

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Synergistic activity of antagonistic Trichoderma spp. and Rhizoctonia solani increases disease severity on strawberry petioles

Cited by 9 publications

References 55 publications

Native Trichoderma Strains Biocontrol Potential against Soil-Borne Pathogens: Strawberry

Native Trichoderma Strains Biocontrol Potential against Soil-Borne Pathogens: Strawberry

Biocontrol of strawberry Botrytis gray mold and prolong the fruit shelf-life by fumigant Trichoderma spp.

Biocontrol Potential of Trichoderma asperellum CMT10 against Strawberry Root Rot Disease

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