Fungal Bioinoculants for Plant Disease Management

Khan, Mohsin; Anwer, Arshad

doi:10.1007/978-1-4419-7931-5_17

Cited by 32 publications

(9 citation statements)

References 111 publications

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“…Antibiotics like trichodermin, trichodermol A, harzianolide, viridin, and gliotoxin produced by Trichoderma spp. helped in suppressing the disease through reduction of germination and production of spore (Khan and Anwer, 2011). Organic amendments are effective in suppressing the pathogenic fungi (Singh and Singh, 1982), and neem cake was found to show a positive effect on the fungal pathogen as shown by Elnasikh (2011).…”

Section: Effect Of Tested Bioagents and Organic Amendments On The Promentioning

confidence: 99%

Utilizing the combined antifungal potential of Trichoderma spp. and organic amendments against dry root rot of mungbean

Choudhary

Ashraf

2019

Egypt J Biol Pest Control

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The present study was carried out to evaluate the effect of bioagents and organic amendments in suppressing the dry root rot of mungbean incited by Rhizoctonia bataticola. The locally isolated pathogen and fungal biocontrol agents were identified based on morphological and molecular characterization. These identified bioagents were tested in vitro, and the highest mycelial inhibition was recorded in dual culture assay by Trichoderma harzianum (74.44%), and among organic amendments, maximum mycelial inhibition was found in neem cake (61.11%). In a greenhouse study, T. harzianum + neem cake effectively enhanced the percent germination (93.33%) and decreased the percent disease mortality (11.67%) than the other treatments. The morphological parameter like plant height (57.50 cm), dry weight (22.83 g) root nodules (51), pods/plant (58), and 100-seed weight (5.78 g) were found to be at the maximum in this combined application. Physiological pigments viz. chlorophyll (2.41 mg/g) and carotenoids (0.19 mg/g), protein content (5.85 mg/g), and leghemoglobin (11.75 mg/g) were also found to be maximum in T. harzianum + neem cake and minimum phenol content (1.41 mg/g). The study concludes that T. harzianum + neem cake can be recommended as an effective approach for the management of dry root rot of mungbean.

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Section: Effect Of Tested Bioagents and Organic Amendments On The Promentioning

confidence: 99%

Utilizing the combined antifungal potential of Trichoderma spp. and organic amendments against dry root rot of mungbean

Choudhary

Ashraf

2019

Egypt J Biol Pest Control

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“…Global agricultural productivity is affected by a wide array of fungal, bacterial, viral, and nematode diseases. Fungi accounted for 42% and bacteria for 27% of the 14% global crop production loss caused by plant diseases, and this damage can worsen under climate change [1,2]. In light of this, the use of pesticides for crop protection has increased, ultimately increasing the risk of chemical contamination of the food chain and ecosystems.…”

Section: Introductionmentioning

confidence: 99%

“…AN090126 exhibited potent antibacterial and antifungal activities as well as synergistic activity with streptomycin. Hence, the objectives of the present study were: (1) To identify and characterize Streptomyces sp. AN090126.…”

Section: Introductionmentioning

confidence: 99%

Streptomyces sp. AN090126 as a Biocontrol Agent against Bacterial and Fungal Plant Diseases

Park

et al. 2022

Microorganisms

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Bacteria and fungi are major phytopathogens which substantially affect global agricultural productivity. In the present study, Streptomyces sp. AN090126, isolated from agricultural suppressive soil in Korea, showed broad-spectrum antagonistic activity against various phytopathogenic bacteria and fungi. In the 96-well plate assay, the fermentation filtrate of Streptomyces sp. AN090126 exhibited antimicrobial activity, with a minimum inhibitory concentration (MIC) of 0.63–10% for bacteria and 0.63–3.3% for fungi. The MIC of the partially purified fraction was 20.82–250 µg/mL for bacteria and 15.6–83.33 µg/mL for fungi. Gas chromatography–mass spectrometry (GC-MS) analysis revealed that AN090126 produced various volatile organic compounds (VOCs), including dimethyl sulfide and trimethyl sulfide, which inhibited the growth of pathogenic bacteria and fungi in in vitro VOC assays. In pot experiments, the fermentation broth of Streptomyces sp. AN090126 reduced tomato bacterial wilt caused by Ralstonia solanacearum, red pepper leaf spot caused by Xanthomonas euvesicatoria, and creeping bentgrass dollar spot caused by Sclerotinia homoeocarpa in a dose-dependent manner. Moreover, the secondary metabolites derived from this strain showed a synergistic effect with streptomycin sulfate against streptomycin-resistant Pectobacterium carotovorum subsp. carotovorum, the causative agent of Kimchi cabbage soft rot, in both in vitro and in vivo experiments. Therefore, Streptomyces sp. AN090126 is a potential biocontrol agent in controlling plant diseases caused by pathogenic bacteria and fungi, specifically by the streptomycin-resistant strains.

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“…Productos a base de Trichoderma han sido particularmente exitosos debido a su acción biofertilizante o bioestimulante (Nzanza et al, 2012), aparte de tener la capacidad de controlar algunos fitopatógenos (López-Bucio et al, 2015), especialmente patógenos habitantes del suelo. Aplicado directamente al suelo, como un tratamiento de semillas o mediante pulverización foliar, pueden reducir el nivel de inóculo de patógenos o la severidad de enfermedades (Khan & Anwer, 2011). Las diferentes especies de Trichoderma pueden mostrar efecto fungistático, competencia por los nutrientes (capacidad de movilizarse y absorber los nutrientes del suelo en comparación con otros microorganismos), antibiosis (supresión de un organismo por otro debido a la liberación de sustancias tóxicas/metabolitos en el medio ambiente), micoparasitismo y estimulación de la respuesta de defensa del huésped (Hernández-Mansilla et al, 2006;Khan & Anwer, 2011).…”

Section: Introductionunclassified

Trichoderma harzianum en pre-transplante aumenta el potencial agronómico del cultivo de piña

Sabando-Ávila

Molina-Atiencia

Garcés-Fiallos

2017

Agraria

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La piña es una de las principales frutas tropicales en el Ecuador. Debido a la demanda de productos y alimentos libres de residuos de agrotóxicos, la utilización de Trichoderma se constituye una importante alternativa para este cultivo. Por esos motivos, el objetivo del trabajo fue evaluar el efecto del producto comercial TRICHO-D ® WP a base de T. harzianum en pre-siembra sobre varias variables agronómicas de la variedad de piña MD-2. El trabajo se realizó a nivel de campo en el cantón Santo Domingo de los Colorados, Ecuador. Diferentes dosis del producto comercial a base de T. harzianum (1x108 ufc g-1): 0, 400, 600 e 800 g ha-1 , se aplicaron en pre-siembra directamente al suelo. A los 6 meses después de la siembra, se evaluaron la altura de planta, número de hojas por planta, longitud de la radícula, peso fresco de plantas e incidencia de plantas enfermas. Un diseño de bloques completos al azar con cuatro repeticiones fue utilizado. Los tratamientos constituyeron cada una de las cuatro dosis. Para la comparación entre las medias de los tratamientos se empleó la prueba de Tukey (p ≤ 0,05). También fueron correlacionadas (correlación de Pearson) las dosis y todas las variables agronómicas evaluadas. La aplicación de T. harzianum en pre-siembra afectó positivamente la altura de planta, número de hojas por planta y, peso fresco de plantas, y negativamente la incidencia de plantas enfermas en el cultivo de piña. Las dosis utilizadas de T. harzianum se correlacionaron únicamente con la variable altura de planta y la incidencia de plantas enfermas.

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Fungal Bioinoculants for Plant Disease Management

Cited by 32 publications

References 111 publications

Utilizing the combined antifungal potential of Trichoderma spp. and organic amendments against dry root rot of mungbean

Utilizing the combined antifungal potential of Trichoderma spp. and organic amendments against dry root rot of mungbean

Streptomyces sp. AN090126 as a Biocontrol Agent against Bacterial and Fungal Plant Diseases

Trichoderma harzianum en pre-transplante aumenta el potencial agronómico del cultivo de piña

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