Biological control of Fusarium wilt in tomato by endophytic rhizobactria

Mohammed, Bari L.; hussein, Rakan A.; Toama, Faeza Nasir

doi:10.1016/j.egypro.2018.11.178

Cited by 29 publications

(16 citation statements)

References 24 publications

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“…Further studies are required to corroborate these assumptions. Similar studies have found that B. subtilis isolates produce substances such as ammonia and indole acetic acid (IAA), which inhibit the mycelial growth of F. oxysporum (Mohammed et al, 2019;Sharifi and Ramezani, 2003). Prochloraz inhibited 92% of mycelial growth starting at a concentration of 10 mg L -1 .…”

Section: Mexican Journal Of Phytopathologymentioning

confidence: 77%

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Fusarium sp., causal agent of vascular wilt in citrus and its sensitivity to fungicides

Robles-Yerena¹,

Leyva-Mir²,

Camacho-Tapia³

et al. 2021

RMF

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Citrus wilt is a disease of recent appearance in the northern area of Veracruz that causes economic losses to producers in the region. The present work aimed to identify the causative agent of this disease and evaluate different fungicides to determine its in vitro sensitivity. A fungus was consistently isolated in plants with wilt symptoms; it was morphologically identified indifferent culture media and molecularly identified by PCR using the EF1-728F/EF1-986R primers. The fungus was inoculated in three varieties of citrus under greenhouse conditions. The sensitivity test was carried out with the fungicides chlorothalonil, benomyl thiabendazole, prochloraz, and a biological agent (Bacillus subtilis) at different concentrations, plus a negative control. Fusarium sp. (Accession No. MW438335) was morphologically and molecularly identified as the causal agent of vascular wilt in citrus fruits, causing growth retardation, decreased number of roots, wilting of the apical bud, and necrosis in the vascular system of the three varieties inoculated. The most effective fungicides in inhibiting mycelial growth were thiabendazole, prochloraz, and the biological agent Bacillus subtilis.

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Section: Mexican Journal Of Phytopathologymentioning

confidence: 77%

“…Estudios similares han encontrado que los aislados de B. subtilis producen sustancias como el amoníaco y ácido indol acético (IAA) que inhiben el crecimiento micelial de F. oxysporum (Mohammed et al, 2019;Sharifi y Ramezani, 2003). Procloraz inhibió 92% del crecimiento micelial a partir de 10 mg L -1 .…”

Section: Molecular Identification and Phylogenetic Treeunclassified

Fusarium sp., causal agent of vascular wilt in citrus and its sensitivity to fungicides

Robles-Yerena¹,

Leyva-Mir²,

Camacho-Tapia³

et al. 2021

RMF

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“…Tomato plants may be attacked by Pythium spp. during early stage of growth, causing seed rot, pre-emergence damping-off, or stem rot symptoms and by Fusarium oxysporum , causing the most epidemic vascular wilt and root rot diseases [ 53 ]. Elsherbiny et al [ 54 ] examined antifungal activity of chitosan nanocomposites loaded with antioxidants (vanillin and cinnamaldehyde).…”

Section: Chitosanmentioning

confidence: 99%

The Use of Carbohydrate Biopolymers in Plant Protection against Pathogenic Fungi

2022

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Fungal pathogens cause significant yield losses of many important crops worldwide. They are commonly controlled with fungicides which may have negative impact on human health and the environment. A more sustainable plant protection can be based on carbohydrate biopolymers because they are biodegradable and may act as antifungal compounds, effective elicitors or carriers of active ingredients. We reviewed recent applications of three common polysaccharides (chitosan, alginate and cellulose) to crop protection against pathogenic fungi. We distinguished treatments dedicated for seed sowing material, field applications and coating of harvested fruits and vegetables. All reviewed biopolymers were used in the three types of treatments, therefore they proved to be versatile resources for development of plant protection products. Antifungal activity of the obtained polymer formulations and coatings is often enhanced by addition of biocontrol microorganisms, preservatives, plant extracts and essential oils. Carbohydrate polymers can also be used for controlled-release of pesticides. Rapid development of nanotechnology resulted in creating new promising methods of crop protection using nanoparticles, nano-/micro-carriers and electrospun nanofibers. To summarize this review we outline advantages and disadvantages of using carbohydrate biopolymers in plant protection.

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“…In addition, the endophytic bacteria can stimulate the plant growth through tethering of N2 (diazotrophic bacteria) (Gopalakrishnan et al 2018;Silveira et al 2016), phosphate dissolution (Khamwan et al 2018;Valetti et al 2018), and their ability as biocontrol agent in increasing plant resistance to plant pest and diseases (Djaya et al 2019;Abdallah et al 2016;Mohammed et al 2019).…”

Section: Introductionmentioning

confidence: 99%

The isolation, characterization endophytic bacteria on indole-3-acetic acid-producing and phosphate solubilizing from roots of local rice plant Kamba in Bada Valley, Central Sulawesi

et al. 2020

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Abstract. Sudewi S, Ala A, Baharuddin, Farid M. 2020. The isolation, characterization endophytic bacteria on from roots of local rice plant Kamba in Central Sulawesi, Indonesia. Biodiversitas 21: 1614-1624. The local Kamba rice plants are cultivated by the Bada Valley people for generations by obtaining seeds from previous crops. This rice plant is able to survive even though it is cultivated with traditional cultivation techniques. The ability to survive is suspected because this local rice plant is associated with endophytic bacteria through a variety of mechanisms including being able to produce the IAA hormone and its ability to dissolve phosphate. This study aims to find endophytic bacteria that have the potential to produce IAA and phosphate solvents through morphological and physiological characterization (Gram reaction test with 3% KOH, catalase test, hypersensitivity reaction and hemolysis activity), screening of IAA-producing bacteria qualitative and quantitative, phosphate dissolution activity on Pikovskaya medium, and quantitative using a spectrophotometer. Endophytic bacteria isolates from Gintu give the highest yields in IAA production and phosphate solubility activity, namely RKGU11 and RKGU6, respectively at 4,905 mg L-1 and 10.984 mg L-1 so that it has the potential to be used as a candidate for biofertilizer agents in developing effective sustainable agriculture, respectively, efficient and environmentally friendly.

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Biological control of Fusarium wilt in tomato by endophytic rhizobactria

Cited by 29 publications

References 24 publications

Fusarium sp., causal agent of vascular wilt in citrus and its sensitivity to fungicides

Fusarium sp., causal agent of vascular wilt in citrus and its sensitivity to fungicides

The Use of Carbohydrate Biopolymers in Plant Protection against Pathogenic Fungi

The isolation, characterization endophytic bacteria on indole-3-acetic acid-producing and phosphate solubilizing from roots of local rice plant Kamba in Bada Valley, Central Sulawesi

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