Biocontrol of &lt;I&gt;Rhizoctonia solani&lt;/I&gt; Root Rot of Chilli by &lt;I&gt;Bacillus subtilis&lt;/I&gt; formulations under Pot Conditions

Narasimhan, Ashwini; Shivakumar, Srividya

doi:10.18311/jbc/30/2/14924

JBC

2016

DOI: 10.18311/jbc/30/2/14924

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Biocontrol of <I>Rhizoctonia solani</I> Root Rot of Chilli by <I>Bacillus subtilis</I> formulations under Pot Conditions

Ashwini Narasimhan

Srividya Shivakumar

Abstract: ABSTRACT:The chilli crop suffers massive yield loss due to root rot caused by Rhizoctonia solani.

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Cited by 3 publications

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“…The pathogen is challenging to control because of its ability to survive long-term in the soil and organic debris and cause disease incidence of 33.2% in seedlings and 40.2% in the field (Varma et al, 2020). R. solani is responsible for wilting and death of mature chili plants (Ashwini and Srividya, 2016). Several practices are available to avoid the disease, such as cultural practices, biological control, resistant varieties, crop rotation, and soil solarization ( Van et al, 2016), but these methods contain limitations.…”

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confidence: 99%

Comparative Effectiveness of Some Novel Fungicides Against Soil-Borne Pathogens of Chili

Akhtar,

Iqbal,

Nizamani

et al. 2024

SJA

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confidence: 99%

Comparative Effectiveness of Some Novel Fungicides Against Soil-Borne Pathogens of Chili

Akhtar,

Iqbal,

Nizamani

et al. 2024

SJA

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Identification of the biocontrol strain LB-2 and determination of its antifungal effects on plant pathogenic fungi

Liu

Chang

2018

J Plant Pathol

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Study on the antifungal effect and mycolytic activity of the biocontrol agent Chaetomium subaffine LB-1

Liu¹,

Zhao²,

Cao³

2021

Plant Prot. Sci.

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The antifungal effect and mucolytic activity of a newly screened biocontrol strain Chaetomium subaffine LB-1 were researched in this study. The results found that LB-1 has good antifungal effects on the test plant pathogenic fungi Botrytis cinerea Pers. ex Fr., Fusarium oxysporum f. sp. cucumerinum Owen and Alternaria solani (Ellis & Martin) Sorauer in dual culture assay, with the inhibition rates of 61.39, 50.34 and 51.22%, respectively. Flocculated and dissolved hyphae of the phytopathogenic fungi were observed at the interaction zone on a dual-cultured PDA plate, but the hyphae of LB-1 were normal. The LB-1 cell-free filtrate has significant inhibitory effects on the three tested fungi in the poison plate assay; dissolved colonies, vesiculated and flocculated hyphae of the test pathogenic fungi were also found on the PDA plates supplemented with the LB-1 cell-free filtrate. Clear halo zones around the LB-1 colonies were found on the protease test plate, pectinase test plate and cellulose test plate, indicating that LB-1 could produce mucolytic enzymes of protease, pectinase and cellulase. However, the activities of chitinase and β-l,3-glucase were not detected on their test plates from LB-1. An obvious oil-displaced circle was formed in the oil spreading test, indicating that a surface-active substance might be contained in the LB-1 cell-free filtrate. These results proved that the biocontrol agent of C. subaffine LB-1 could exert its antifungal effects via living competition and mycolysis, and the latter may be obtained by production of mycolytic enzymes and surface-active substances. .

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Biocontrol of <I>Rhizoctonia solani</I> Root Rot of Chilli by <I>Bacillus subtilis</I> formulations under Pot Conditions

Abstract: ABSTRACT:The chilli crop suffers massive yield loss due to root rot caused by Rhizoctonia solani.

Cited by 3 publications

References 20 publications

Comparative Effectiveness of Some Novel Fungicides Against Soil-Borne Pathogens of Chili

Comparative Effectiveness of Some Novel Fungicides Against Soil-Borne Pathogens of Chili

Identification of the biocontrol strain LB-2 and determination of its antifungal effects on plant pathogenic fungi

Study on the antifungal effect and mycolytic activity of the biocontrol agent Chaetomium subaffine LB-1

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