Trichoderma as a biological agent of Fusarium oxysporum species complex and Vigna unguiculata growth promoter

Amaral, Ana Cláudia Tenório do; Maciel, Marília de Holanda Cavalcanti; Machado, Alexandre Reis; Oliveira, Laerte; Lima, Cristiano Souza; Oliveira, Neiva Tinti de

doi:10.1007/s10658-022-02526-6

Cited by 6 publications

(2 citation statements)

References 50 publications

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“…The percentage of infection severity 0.00 0.00 0.00 0.00 0.00 Okra 0.00 0.00 0.00 0.00 0.00 Okra + T3 29.16 33.33 0.00 0.00 83.33 Okra + Fs 0.00 0.00 0.00 0.00 0.00 Okra + T3 + Fs 8.33 0.00 0.00 20.83 average 15.32 interaction treatments7.66 7.66 plant It was noted from the results in tables (10) that the fungus of biological resistance T.lngibrachiatum T2 has led to an increase in the growth and production indicators of the okra plant compared to other treatments, and the reason may be due to the efficiency of the species belonging to the fungus Trichoderma spp. The secretion of plant growth regulators as a result of the symbiotic relationship between the fungus and the root system also works to increase the plant's ability to resist unfavorable environmental conditions in addition to resisting pathogens [44,45] as many researchers in the field of plant diseases have indicated that Most of the fungi, Trichoderma spp., act as a catalyst for plant growth, giving an increase in the biomass of the roots and stems of plants [46][47][48][49][50] where Imran [22] showed that the fungus T. longibrachiatum worked to encourage the growth indicators of okra plants such as the lengths and weights of the vegetative and root groups and gave complete protection from fusarium wilt disease on okra plants caused by the pathogenic fungus Fusarium spp. Experimenting with plastic pots.…”

Section: Average Treatments Cauliflower Cabbage Broccoli Control Trea...mentioning

confidence: 99%

A study of the Effect of the Interaction Between the Secretions of the Roots of some Plants of the Cruciferous Family and the Biocontrol Factor Trichoderma spp. in Controlling fusarium wilt Disease on Okra Plants

Albadrani,

Alshimaysawe

2023

IOP Conf. Ser.: Earth Environ. Sci.

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This study surveyed, identified, and biologically controlled fusarium wilt on okra plants. The field survey found fusarium wilt on okra farms in Najaf, Diwaniyah, and Babylon. 18-73% were infected. Six Fusarium spp. isolates were found in wilted plants. Besides spore shapes and colours, the separated fungus differed in culture colour and growth rate. Fusarium spp. isolates also have different okra plant pathogenicities. However, isolate F2 (Abbasiya isolate) was the most harmful and adopted in following trials as the most virulent. The example isolate was PCR-diagnosed using rDNA-ITS marker. Fusarium solani. Thus, GenBank registered OQ729824. The effect of evaporated and non-evaporated compounds secreted from the tissues of cruciferous plants (Cabbage, broccoli, and cauliflower) on the culture medium P.S.A 1/4 showed that the compounds secreted from the roots of cabbage and broccoli inhibit and prevent the diagonal growth of the pathogenic fungus F. solani at an average rate of 0.00 cm compared to other treatments. Trichoderma spp. biological isolates tolerate cruciferous plant tissues better. The field experiment to assess the efficiency of the interaction between the root secretions of cruciferous family plants (Cabbage, broccoli and cauliflower) and okra plants in the presence of the bioagent factor T. longibrachiatum T2 showed a significant increase in okra plant growth and production. The interaction treatments between the roots of cabbage or broccoli plants in soil contaminated with the pathogenic fungus F. solani, with or without the biological fungus T2, completely protected the okra plants from disease during growth and harvest. Control treatment had 83.33% infection.

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Section: Average Treatments Cauliflower Cabbage Broccoli Control Trea...mentioning

confidence: 99%

A study of the Effect of the Interaction Between the Secretions of the Roots of some Plants of the Cruciferous Family and the Biocontrol Factor Trichoderma spp. in Controlling fusarium wilt Disease on Okra Plants

Albadrani,

Alshimaysawe

2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Meanwhile, Trichoderma spp. effectively suppressed Fusarium wilt through competition for nutrients and space, mycoparasitism, antibiosis, and improved plant growth, leading to showing well-controlled efficiency [ 7 , 8 , 9 ]. Bacillus subtilis and its closely related species are important resources for developing microbial fungicides mainly due to the formation of heat-resistant spores, which are conducive to product development and shelf life extension [ 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Screening Biocontrol Agents for Cash Crop Fusarium Wilt Based on Fusaric Acid Tolerance and Antagonistic Activity against Fusarium oxysporum

Guo

Dong

et al. 2023

Toxins

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Fusarium wilt, caused by Fusarium oxysporum, is one of the most notorious diseases of cash crops. The use of microbial fungicides is an effective measure for controlling Fusarium wilt, and the genus Bacillus is an important resource for the development of microbial fungicides. Fusaric acid (FA) produced by F. oxysporum can inhibit the growth of Bacillus, thus affecting the control efficacy of microbial fungicides. Therefore, screening FA-tolerant biocontrol Bacillus may help to improve the biocontrol effect on Fusarium wilt. In this study, a method for screening biocontrol agents against Fusarium wilt was established based on tolerance to FA and antagonism against F. oxysporum. Three promising biocontrol bacteria, named B31, F68, and 30833, were obtained to successfully control tomato, watermelon, and cucumber Fusarium wilt. Strains B31, F68, and 30833 were identified as B. velezensis by phylogenetic analysis of the 16S rDNA, gyrB, rpoB, and rpoC gene sequences. Coculture assays revealed that strains B31, F68, and 30833 showed increased tolerance to F. oxysporum and its metabolites compared with B. velezensis strain FZB42. Further experiments confirmed that 10 µg/mL FA completely inhibited the growth of strain FZB42, while strains B31, F68, and 30833 maintained normal growth at 20 µg/mL FA and partial growth at 40 µg/mL FA. Compared with strain FZB42, strains B31, F68, and 30833 exhibited significantly greater tolerance to FA.

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Identification of mycoparasitism-related genes in Trichoderma harzianum T4 that are active against Colletotrichum musae

Wang,

Wang

2023

Arch Microbiol

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Trichoderma as a biological agent of Fusarium oxysporum species complex and Vigna unguiculata growth promoter

Cited by 6 publications

References 50 publications

A study of the Effect of the Interaction Between the Secretions of the Roots of some Plants of the Cruciferous Family and the Biocontrol Factor Trichoderma spp. in Controlling fusarium wilt Disease on Okra Plants

A study of the Effect of the Interaction Between the Secretions of the Roots of some Plants of the Cruciferous Family and the Biocontrol Factor Trichoderma spp. in Controlling fusarium wilt Disease on Okra Plants

Screening Biocontrol Agents for Cash Crop Fusarium Wilt Based on Fusaric Acid Tolerance and Antagonistic Activity against Fusarium oxysporum

Identification of mycoparasitism-related genes in Trichoderma harzianum T4 that are active against Colletotrichum musae

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