Potential of Pseudomonas stutzeri strains isolated from rhizospheric soil endowed with antifungal activities against phytopathogenic fungus Stemphylium botryosum

Mokrani, Slimane; Bejaoui, Bilel; Belabid, L.; Nabti, El-hafid

doi:10.13057/asianjagric/g030203

Cited by 4 publications

(1 citation statement)

References 46 publications

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“…Three Pseudomonads strains was examined by Mokrani et al, [23]. These Pseudomonads strains showed antagonistic effect against Fusarium oxysporum f.sp phaseoli and Sclerotinia sclerotiorum in dual culture.…”

Section: Sclerotinia Sclerotiorummentioning

confidence: 99%

Characterization of Native Fluorescent Pseudomonads against Sclerotinia Blight of Brinjal (Solanum melongena L.)

Sahoo,

Roshani,

Kumari

et al. 2023

IJECC

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Brinjal (Solanum melongena L.) is one of the most common and known rich source of vitamin B1 (Thiamin), dietary fibre, manganese, niacin (vitamin B3), copper, vitamin B6 (pyridoxine), folate (vitamin B9), potassium, Vitamin K. Brinjal cultivation is affected by several pests and diseases. Sclerotinia blight is one of the most destructive diseases of brinjal caused by Sclerotinia sclerotiorum (Lib) de Bary. Under the present investigation two isolates of Fluorescent Pseudomonads (FLPs) viz., FLP-Brinjal 2020-1 and FLP-Brinjal 2020-2, were evaluated against Sclerotinia sclerotiorum (SCL)under in vivo and in vitro conditions using dual culture, inverted plate assay. FLP-Brinjal 2020-2 gave maximum inhibition over the control followed by FLP-Brinjal 2020-1 against the pathogen in in vitro condition. Experiments conducted in pluck trays indicated that FLP-Brinjal 2020-2 was superior with least sclerotinia blight incidence (20.53%).The identity and diversity among the FLP isolates were examined by sequence analysis of 16s rRNA gene. The gene was amplified by PCR using primers pair, 27 F/1492 R. Amplified DNA products were sequenced and analysed by BLAST (BLASTn) programme at NCBI database for species identification. Among the 10 FLPs isolates assessed 9 were found to have maximum similarity with Pseudomonas aeruginosa. FLP 2020-2 and FLP 2020-1 were found to be Pseudomonas fluorescence which is in confirmation with the morphological observations. Significant diversity among the isolates was observed when dendrogram of the sequence was plotted using CLUSTAL W.

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Section: Sclerotinia Sclerotiorummentioning

confidence: 99%