Journals / Türk Tarım - Gıda Bilim ve Teknoloji dergisi / 2021 / Cilt: 9 - Sayı: sp

Determination of Biocontrol Potential of Bacillus spp. and Stenotrophomonas sp. against Macrophomina phaseolina in Sunflower

Ayçiçeğinde Macrophomina phaseolina’ya Karşı Bacillus spp. ve Stenotrophomonas sp.’nin Biyokontrol Aktivitelerinin Belirlenmesi

Pages
2480–2485
Publication Date
2022-11-06
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The most effective bacteria identified at species and genus level by Maldi biotyping (MALDITOF MS) were identified as Bacillus amyloliquefaciens, Stenotrophomonas sp. and Bacillus cereus (3 isolates), and these species showed that they can be important biocontrol agents in biological control against M. phaseolina.

📌 3 Key Takeaways

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Objective & Hypothesis:Macrophomina phaseolina is a soil pathogen known as charcoal rot and can cause up to 90% yield loss in sunflower under suitable conditions.
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Key Findings & Data:A total of 38 bacterial strains were isolated from soil samples in the rhizosphere of Malva sylvestris (hibiscus), Vicia sativa (vetch), Cicer arietinum (chickpea), Papaver rhoeas (weasel), Carlina marianum (thistle), Glebionis coronaria (crown daisy) and Vicia faba collected from Urla district of İzmir.
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Conclusion & Impact:The most effective bacteria identified at species and genus level by Maldi biotyping (MALDITOF MS) were identified as Bacillus amyloliquefaciens, Stenotrophomonas sp. and Bacillus cereus (3 isolates), and these species showed that they can be important biocontrol agents in biological control against M. phaseolina.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Macrophomina phaseolina is a soil pathogen known as charcoal rot and can cause up to 90% yield loss in sunflower under suitable conditions. The serious damage caused by chemicals used in the control of soil-borne pathogens to the environment and health has become one of the most important concerns in agriculture. Therefore, in our study, it was aimed to determine the in vitro antagonistic effects of various bacterial species against M phaseolina. A total of 38 bacterial strains were isolated from soil samples in the rhizosphere of Malva sylvestris (hibiscus), Vicia sativa (vetch), Cicer arietinum (chickpea), Papaver rhoeas (weasel), Carlina marianum (thistle), Glebionis coronaria (crown daisy) and Vicia faba collected from Urla district of İzmir. All bacterial strains exhibited antibiosis effect under in vitro conditions, but it was determined that 5 bacterial isolates among them showed a high inhibition zone and showed an average inhibition potential ranging between 55% and 74%. The most effective bacteria identified at species and genus level by Maldi biotyping (MALDITOF MS) were identified as Bacillus amyloliquefaciens, Stenotrophomonas sp. and Bacillus cereus (3 isolates), and these species showed that they can be important biocontrol agents in biological control against M. phaseolina.

Özet

Macrophomina phaseolina kömür çürüklüğü olarak bilinen bir toprak patojeni olup uygun şartlar altında ayçiçeğinde %90’a yakın verim kaybına neden olabilmektedir. Toprak kaynaklı patojenlerin mücadelesinde kullanılan kimyasalların çevreye ve sağlığa verdiği büyük zararlar tarımda en önemli endişelerden biri haline gelmiştir. Bundan dolayı çalışmamızda, çeşitli bakteri türlerinin in vitro da antagonistik etkilerinin M. phaseolina'ya karşı belirlenmesi amaçlanmıştır. Toplam 38 bakteri ırkı İzmir’in Urla ilçesinden toplanan Malva sylvestris (ebegümeci), Vicia sativa (fiğ), Cicer arietinum (nohut), Papaver rhoeas (gelincik), Carlina marianum (devedikeni), Glebionis coronaria (taç papatya) ve Vicia faba (bakla) bitkilerinin rizosfer kısmındaki toprak örneklerinden izole edilmiştir. İn vitro da tüm bakteri ırkları antibiyosis etki sergilemiş fakat bunların arasında 5 bakteri izolatının yüksek inhibiyon zonu oluşturarak ortalama %55-%74 arasında değişen engelleme potansiyeli gösterdikleri belirlenmiştir. Maldi biyotipleme (MALDİ-TOF MS) yoluyla tür ve cins düzeyinde teşhis edilen en etkili bakteriler Bacillus amyloliquefaciens, Stenotrophomonas sp. ve Bacillus cereus (3 izolat) olarak tanılanmış ve bu türler M. phaseolina'ya karşı biyolojik mücadelede önemli biyokontrol ajanı olabileceklerini göstermişlerdir.

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Cite This Article

KOÇAK, R., BOYAZ, N., SALMAN, Ö. (2022). Determination of Biocontrol Potential of Bacillus spp. and Stenotrophomonas sp. against Macrophomina phaseolina in Sunflower. Türk Tarım - Gıda Bilim ve Teknoloji dergisi, Cilt: 9 - Sayı: sp, 2480–2485. https://ajindex.com/articles/642668

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