Efficacy of New Local Bacterial Agents against Pyrenophora tritici-repentis in Kuban Region, Russia

Асатурова, А. М.; Жевнова, Н. А.; Томашевич, Н. С.; Pavlova, Marina; Kremneva, O. Yu.; Волкова, Г. В.; Сидоров, Н. М.

doi:10.3390/agronomy12020373

Cited by 7 publications

(9 citation statements)

References 26 publications

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“…The control of phytopathogenic fungi using bacteria of the genus Pseudomonas (Rodriguez and Pfender, 1997, Yang et al, 2014, Vicentini et al, 2022, Pantoea (Dutkiewicz et al, 2016), and Bacillus (Ferraz et al, 2008, Bach et al, 2016 has been reported in the scientific literature. According to Asaturova et al (2022), when using B. velezensis against D. tritici-repentis, a reduction in the mycelial growth of pathogens of up to 94.3% was observed at 15 days in in vitro tests.…”

Section: Resultsmentioning

confidence: 99%

“…This shortening of the suppressive effects of Bacillus concerning a wide list of phytopathogens can occur due to the effect of secondary metabolites of various chemical natures that these bacteria produce and promote protection through an antagonistic effect. The interaction of these bacteria with the plant promotes the release of lipopeptides in the physiology of plants, which play an essential role in inducing plant immunity, promoting protection by induced resistance (Larran et al, 2016, Asaturova et al, 2022.…”

Section: Resultsmentioning

confidence: 99%

“…The formulation of commercial biofungicides has gained a substantial market (Meyer et al, 2016, Meyer et al, 2019, Agrofit, 2022. Its use in vivo can bring, in addition to controlling severity and incidence, other benefits for plant growth and yield (Bach et al, 2016, Dutkiewicz et al, 2016, Larran et al, 2016, Asaturova et al, 2022, Vicentini et al, 2022. Future studies are needed with these bacteria in formulations for in vivo tests to compare their social, environmental, economic, and agronomic impact, having as reference the chemical control of these pathogens.…”

Section: Resultsmentioning

confidence: 99%

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BIOLOGICAL CONTROL OF Corynespora cassicola AND Drechslera tritici-repentis

Avozani

Tumelero

Tonin

et al. 2023

Rev. Agric. Neotrop.

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Chemical control is the most widely used method for disease management in significant crops such as soybeans and wheat. However, for a few years biological control has gained prominence. Thus, we evaluated the antagonism of bacteria Pseudomonas fluorencens, Pantoea aglomerans, and Bacillus sp. on the phytopathogens Corynespora cassiicola and Drechslera tritici-repentis, previously isolated from soybean and wheat leaves, respectively. The experiments were carried out under controlled conditions at the Phytobacteriology Laboratory of the Faculty of Agronomy and Veterinary Medicine (FAVM), University of Passo Fundo (UPF), Rio Grande do Sul, Brazil. The treatments were: T1: P. Fluorencens + pathogen; T2: P. aglomerans + pathogen; T3: Bacillus spp. + pathogen, and T4: pathogen (control). In each experiment (C. cassiicola and D. tritici-repentis), a completely randomized design with six replications was used. The data were submitted to linear regression analysis, obtaining the daily increase rate (slope). The final time data was submitted to the ANOVA, and the means were compared by the Tukey test (P < 0.05). P. fluorescens, P. agglomerans, and Bacillus sp. reduced mycelial growth by 74 and 87% of C. cassiicola and D. tritici-repentis, respectively. Although this study was carried out under in vitro conditions, it can serve as a basis for other biological control studies, especially about the management of leaf spots caused by C. cassiicola and D. tritici-repentis, under field conditions.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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BIOLOGICAL CONTROL OF Corynespora cassicola AND Drechslera tritici-repentis

Avozani

Tumelero

Tonin

et al. 2023

Rev. Agric. Neotrop.

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“…This disease may destroy plant vegetative parts like leaves, causing the infected plants to die before heading [ 55 ]. P. tritici-repentis conidia have a significant genetic diversity that has a good impact on host range and virulence [ 56 , 57 ]. They can also live for extended periods on plant debris and traverse great distances [ 58 ].…”

Section: The Main Foliar Diseases Affecting Cerealsmentioning

confidence: 99%

Beneficial Microorganisms as Bioprotectants against Foliar Diseases of Cereals: A Review

Dehbi,

Achemrk,

Ezzouggari

et al. 2023

Plants

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Cereal production plays a major role in both animal and human diets throughout the world. However, cereal crops are vulnerable to attacks by fungal pathogens on the foliage, disrupting their biological cycle and photosynthesis, which can reduce yields by 15–20% or even 60%. Consumers are concerned about the excessive use of synthetic pesticides given their harmful effects on human health and the environment. As a result, the search for alternative solutions to protect crops has attracted the interest of scientists around the world. Among these solutions, biological control using beneficial microorganisms has taken on considerable importance, and several biological control agents (BCAs) have been studied, including species belonging to the genera Bacillus, Pseudomonas, Streptomyces, Trichoderma, Cladosporium, and Epicoccum, most of which include plants of growth-promoting rhizobacteria (PGPRs). Bacillus has proved to be a broad-spectrum agent against these leaf cereal diseases. Interaction between plant and beneficial agents occurs as direct mycoparasitism or hyperparasitism by a mixed pathway via the secretion of lytic enzymes, growth enzymes, and antibiotics, or by an indirect interaction involving competition for nutrients or space and the induction of host resistance (systemic acquired resistance (SAR) or induced systemic resistance (ISR) pathway). We mainly demonstrate the role of BCAs in the defense against fungal diseases of cereal leaves. To enhance a solution-based crop protection approach, it is also important to understand the mechanism of action of BCAs/molecules/plants. Research in the field of preventing cereal diseases is still ongoing.

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“…Moreover, attempts to restrict the expansion of potato bacterial diseases via ecologically acceptable chemical or biological means have failed, and the application of biocontrol agents remains highly problematic [ 27 , 28 ]. Tremendous ecological risks are also associated with the increasing resistance of phytopathogens to chemical pesticides [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

Mushroom-Derived Novel Selenium Nanocomposites’ Effects on Potato Plant Growth and Tuber Germination

Tsivileva

Perfileva

2022

Molecules

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Multicomponent materials, where nanosized selenium (Se) is dispersed in polymer matrices, present as polymer nanocomposites (NCs), namely, selenium polymer nanocomposites (SeNCs). Selenium as an inorganic nanofiller in NCs has been extensively studied for its biological activity. More ecologically safe and beneficial approaches to obtain Se-based products are the current challenge. Biopolymers have attained great attention with perspective multifunctional and high-performance NCs exhibiting low environmental impact with unique properties, being abundantly available, renewable, and eco-friendly. Composites based on polysaccharides, including beta-glucans from edible and medicinal mushrooms, are bioactive, biocompatible, biodegradable, and have exhibited innovative potential. We synthesized SeNCs on the basis of the extracellular polysaccharides of several medicinal mushrooms. The influence of bio-composites from mushrooms on potato plant growth and tuber germination were studied in two potato cultivars: Lukyanovsky and Lugovskoi. Bio-composites based on Grifola umbellata demonstrated the strongest positive effect on the number of leaves and plant height in both cultivars, without negative effect on biomass of the vegetative part. Treatment of the potato tubers with SeNC from Gr. umbellata also significantly increased germ length. Potato plants exposed to Se-bio-composite from Ganoderma lucidum SIE1303 experienced an increase in the potato vegetative biomass by up to 55% versus the control. We found earlier that this bio-composite was the most efficient against biofilm formation by the potato ring rot causative agent Clavibacter michiganensis subsp. sepedonicus (Cms). Bio-composites based on Pleurotus ostreatus promoted increase in the potato root biomass in the Lugovskoi cultivar by up to 79% versus the control. The phytostimulating ability of mushroom-based Se-containing bio-composites, together with their anti-phytopathogenic activity, testifies in favor of the bifunctional mode of action of these Se-biopreparations. The application of stimulatory green SeNCs for growth enhancement could be used to increase crop yield. Thus, by combining myco-nanotechnology with the intrinsic biological activity of selenium, an unexpectedly efficient tool for possible applications of SeNCs could be identified.

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Efficacy of New Local Bacterial Agents against Pyrenophora tritici-repentis in Kuban Region, Russia

Cited by 7 publications

References 26 publications

BIOLOGICAL CONTROL OF Corynespora cassicola AND Drechslera tritici-repentis

BIOLOGICAL CONTROL OF Corynespora cassicola AND Drechslera tritici-repentis

Beneficial Microorganisms as Bioprotectants against Foliar Diseases of Cereals: A Review

Mushroom-Derived Novel Selenium Nanocomposites’ Effects on Potato Plant Growth and Tuber Germination

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