Rice Phyllosphere Actinomycetes as Biocontrol Agent of Bacterial Leaf Blight Disease on Rice

Ilsan, Noor Andryan; Nawangsih, Abdjad Asih; Wahyudi, Aris Tri

doi:10.3923/ajppaj.2016.1.8

Cited by 19 publications

(11 citation statements)

References 16 publications

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“…oryzicola [170,171], X. oryzae pv. oryzae [172][173][174], B. glumae and B. gladioli [175], P. fuscovaginae [166], E. chrysanthemi [176], and D. zeae [177].…”

Section: Streptomyces Sppmentioning

confidence: 99%

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

et al. 2021

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As a major food crop, rice (Oryza sativa) is produced and consumed by nearly 90% of the population in Asia with less than 9% produced outside Asia. Hence, reports on large scale grain losses were alarming and resulted in a heightened awareness on the importance of rice plants’ health and increased interest against phytopathogens in rice. To serve this interest, this review will provide a summary on bacterial rice pathogens, which can potentially be controlled by plant growth-promoting bacteria (PGPB). Additionally, this review highlights PGPB-mediated functional traits, including biocontrol of bacterial rice pathogens and enhancement of rice plant’s growth. Currently, a plethora of recent studies address the use of PGPB to combat bacterial rice pathogens in an attempt to replace existing methods of chemical fertilizers and pesticides that often lead to environmental pollutions. As a tool to combat bacterial rice pathogens, PGPB presented itself as a promising alternative in improving rice plants’ health and simultaneously controlling bacterial rice pathogens in vitro and in the field/greenhouse studies. PGPB, such as Bacillus, Pseudomonas, Enterobacter, Streptomyces, are now very well-known. Applications of PGPB as bioformulations are found to be effective in improving rice productivity and provide an eco-friendly alternative to agroecosystems.

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“…oryzicola [170,171], X. oryzae pv. oryzae [172][173][174], B. glumae and B. gladioli [175], P. fuscovaginae [166], E. chrysanthemi [176], and D. zeae [177].…”

Section: Streptomyces Sppmentioning

confidence: 99%

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

et al. 2021

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“…PGPB (Pyllosphere Growth Promoting Bacteria) merupakan bakteri yang berada di filosfer dan dapat melindungi tanaman dari pathogen dan memacu pertumbuhan sehingga menyebabkan tanaman menjadi sehat (Lindow & Brandl, 2003;Wagi & Amide, 2017;Qin, et al, 2019;Banderez et al, 2020). Pemanfaatan bakteri rizosfer tidak dapat digunakan sebagai agen hayati pathogen filosfer karena tidak bisa establish pada daun (Ilsan et al, 2016). Pemanfaatan bakteri filosfer mempunyai keuntungan untuk penyakit pustule kedelai yang bersifat airborne karena mempunyai kesamaan "niche" dengan pathogen.…”

Section: Pendahuluanunclassified

“…Keempat isolat terbaik tersebut menunjukkan efektifitas yang tinggi dalam mengendalikan penyakit pustul berkisar 63,21% -66,60%, sedangkan isolat yang lain berkisar 40,40% -48,46%. Kemampuan bakteri filosfer dalam mengendalikan penyakit ini juga sama dengan hasil penelitian Ilsan et al,(2016) bahwa empat bakteri filosfer mampu mengendalikan penyakit hawar daun bakteri pada padi dan isolat STG15 merupakan isolat terbaik dapat menekan keparahan penyakit sebesar 28,87 % pada 14 hsi. Hasil penelitian Megasari dkk (2017) menunjukkan bahwa Bacillus dan Corynebacterium mampu mengendalikan penyakit pustule kedelai dengan intensitas penyakit 0% sementara control 25%.…”

Section: Kemampuan Bakteri Filosfer Dalam Mengendalikan Penyakit Pustul Kedelaiunclassified

Potensi Bakteri Filosfer Sebagai Agens Hayati Penyakit Pustul (Xanthomonas Axonopodis Pv.Glycines) Dan Pemacu Pertumbuhan Kedelai

Nurcahyanti¹,

Wahyuni

Masnilah

2021

Agritrop J. Ilmu Pertan. (J. Agr. Science)

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Penyakit pustul bakteri yang disebabkan oleh Xanthomonas aonopodis pv. Glycines (Xag) merupakan penyakit penting pada kedelai. Kami menggunakan 11 isolat bakteri filosfer JB 4, JB5, JB6, JB7, JB12, JB1, ST31, ST32, ST4, LB2 dan LB3 sebagai agen hayati karena mempunyai "niche" yang sama dengan pathogen, untuk mengetahui kemampuannya dalam mengendalikan Xag dan memacu pertumbuhan tanaman kedelai. Hasil in vitro menunjukkan bahwa inokulasi Xag pada benih kedelai akan menurunkan daya kecambah kedelai. Seed treatment dengan menggunakan bakteri filosfer mampu meningkatkan perkecambahan kedelai yang terinfeksi Xag. Isolat JB 5 dan JB 7 merupakan isolate terbaik dengan daya kecambah yang sama 95% dengan efektivitas ± 35.71% dibandingkan kontrol. Sedangkan isolat JB13 terbaik dalam meningkatkan panjang radikula yaitu 3,13 cm dengan efektivitas 104,58%. Isolat JB7, JB12, JB13 dan ST32 mempunyai kemampuan yang sama dalam mengendalikan penyakit pustule kedelai di rumah kaca dengan keparahan penyakit berkisar ±21,37 dan efektivitas ± 66.41%. Isolat JB 12 dan JB13 menunjukkan kemampuan yang terbaik dalam meningkatkan tinggi tanaman yaitu ± 95.58 cm, jumlah cabang ± 5.53dan jumlah daun ± 29.89. Isolate JB12, JB13 dan ST32, diikuti JB5 dan JB7 berpotensi sebagai agen hayati untuk mengendalikan penyakit pustul dan meningkatkan pertumbuhan kedelai.

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“…The disease caused by Xoo is critical and it is the oldest bacterial disease of rice in Asia (Naqvi et al 2014). Yield losses of 10-20% under moderate conditions and severe losses of up to 50% have been recorded in several Asian and Southeast Asian countries (Mew 1993;Kala et al 2015;Ilsan et al 2016). However, in 2010, BLB was first described to be caused by P. agglome rans in South Korea (Lee et al 2010).…”

Section: Etiology and Symptoms Of Rice Diseasesmentioning

confidence: 99%

Journal of Plant Protection Research

Azizi¹,

Ismail²,

Ina‐Salwany³

et al. 2020

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Pantoea species (Pantoea spp.) is a diverse group of Gram-negative bacteria in the Enterobacteriaceae family that leads to devastating diseases in rice plants, thus affecting significant economic losses of rice production worldwide. Most critical rice diseases such as grain discoloration, bacterial leaf blight, stem necrosis and inhibition of seed germination have been reported to be caused by this pathogen. To date, 20 Pantoea spp. have been identified and recognized as having similar phenotypic and diverse characteristics. Detection via phenotypic and molecular-based approaches, for example the polymerase chain reaction (PCR) and multiplex PCR give us a better understanding of the diversity of Pantoea genus and helps to improve effective disease control strategies against this emergent bacterial pathogen of rice. In this review, we focused on the significance of rice diseases caused by Pantoea spp. and insights on the taxonomy and characteristics of this destructive pathogen via phenotypic and molecular identification.

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Rice Phyllosphere Actinomycetes as Biocontrol Agent of Bacterial Leaf Blight Disease on Rice

Cited by 19 publications

References 16 publications

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

Potensi Bakteri Filosfer Sebagai Agens Hayati Penyakit Pustul (Xanthomonas Axonopodis Pv.Glycines) Dan Pemacu Pertumbuhan Kedelai

Journal of Plant Protection Research

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