Compost amendments enhance peat suppressiveness to Pythium ultimum, Rhizoctonia solani and Sclerotinia minor

Pane, Catello; Spaccini, Riccardo; Piccolo, Alessandro; Scala, Felice; Bonanomi, Giuliano

doi:10.1016/j.biocontrol.2010.10.002

Cited by 157 publications

(94 citation statements)

References 42 publications

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“…The obtained positive results are in agreement with other studies which have evidenced that suppressive biomasses can effectively control various plant pathogens (e.g., Botrytis cinerea, Fusarium oxysporum, Phytophthora capsici, P. nicotianae, Pythium ultimum, Rhizoctonia solani, Sclerotinia minor) responsible for severe plant diseases (Noble and Coventry 2005;Ntougias et al 2008;Pane et al 2011;Saadi et al 2010). The mechanisms of suppressiveness of OMW-M1 and OMW-M2, as reported for other similar matrices, seem mainly due to the antagonism exerted by their beneficial microbial population.…”

Section: Growth Chamber and Nursery Suppressive Experimentssupporting

confidence: 91%

Suppressive biomasses and antagonist bacteria for an eco-compatible control of Verticillium dahliae on nursery-grown olive plants

Vitullo

Altieri

Esposito

et al. 2012

Int. J. Environ. Sci. Technol.

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Two organic amendments (OMW-M1 and OMW-M2), based on olive mill wastes (OMWs) subjected to advanced processes of aerobic static storage or composting, were tested for their suppressive activity against Verticillium dahliae, the causal agent of olive Verticillium wilt. OMW-M1 and OMW-M2 drastically inhibited the pathogen growth in vitro and then were further tested in suppressive pot experiments. The amendments, mixed at 15 % (v/v) with a nursery standard plant-growth matrix, were tested alone or in combination with two biocontrol bacteria (Bacillus amyloliquefaciens and Burkholderia cepacia) selected from suppressive soils. All mixtures were artificially contaminated with V. dahliae microsclerotia (MS), the density of which was periodically monitored by either a semi-selective medium or a specific real-time Polymerase Chain Reaction technique. In plant-less pot assays conducted in a growth chamber, OMW-M1 was the most effective amendment, reducing V. dahliae MS density by 100 % after 90 days with respect to the untreated control. In nursery experiments with pot-growing olive plants, OMW-M1, particularly when combined with the biocontrol bacteria, confirmed its strong suppressive activity reducing up to 100 % the density of V. dahliae MS in the rhizosphere behaving even better than a commercial biofungicide (Trichoderma asperellum TV1) used as a control. The best combined treatment also reduced plant mortality and increased root and shoot extension. It is concluded that organic amendments from stabilized olive mill by-products showed positive agronomic and phytosanitary properties on pot-growing olive plants and, particularly when enriched with biocontrol agents, they are potentially suitable for use in sustainable agriculture.

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Section: Growth Chamber and Nursery Suppressive Experimentssupporting

confidence: 91%

Suppressive biomasses and antagonist bacteria for an eco-compatible control of Verticillium dahliae on nursery-grown olive plants

Vitullo

Altieri

Esposito

et al. 2012

Int. J. Environ. Sci. Technol.

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“…Organic manures have been reported to have some positive impact in reducing the incidence and severity of many diseases of some economically important crop plants (Aryantha et al, 2000;Nelson et al, 2002;Shaikh and Ghaffar, 2004;Ben Jenana et al, 2009;Saadi et al, 2010;Pane et al, 2011;Ahmed et al, 2012).…”

Section: Number Of Grains and Yieldmentioning

confidence: 99%

Effect of fermented tea extract in controlling brown spot and narrow brown spot of rice

Sultana¹,

Mondal²,

Hossain³

et al. 2018

Bangladesh J. Agric. Res

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Compost tea, Tilt 250 EC and Bavistin 50 WP were evaluated for controlling brown spot and narrow brown spot diseases of rice in the field laboratory of the Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh during the period from July to December, 2011. Significant effect of different treatments was observed on the severity of brown spot and narrow brown spot of rice as compared to control. The results evidently showed the lowest brown spot severity in T4 (Tilt 250 EC applied as foliar spray) which was statistically similar to T3 (Compost tea as soil drenching) while the highest severity was recorded in untreated control plot at booting and ripening stage. But narrow brown spot severity was lowest in T4 (Tilt 250 EC as foliar spray) which was similar to T5 (Tilt 250 EC as soil drenching), T6 (Bavistin 50 WP as foliar spray) and highest severity was found in T2 (Compost tea as foliar spray) which was statistically similar to T1 (control), T3 (Compost tea as soil drenching), T7 (Bavistin 50 WP as soil drenching) at booting stage. But at ripening stage the highest severity was found in T1 (control) and the lowest severity was found in T4 (Tilt 250 EC as foliar spray) which was statistically similar to T5 (Tilt 250 EC as soil drenching). However, soil drenching and foliar application of compost tea performed better as compared to control in reducing the severity of brown spot. But compost tea as foliar spray increased the narrow brown spot disease. Significant effect of the treatments was observed on growth and yield contributing characters except panicle length. Foliar and soil application of Tilt and soil application of compost tea showed better performance in increasing growth and yield contributing characters as compared to all other treatments.

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“…NMR spectra were obtained with MAS as follows: rotor spin, 13,000 Hz; recycle time, 1 s; contact time, 1 ms; acquisition time, 20 ms and 2000 scans (Smejkalova et al 2008). Spectral regions significantly associated with plant litter decay rate (Mathers et al 2007;Pane et al 2011;Bonanomi et al 2013) were integrated for semiquantitative carbon molecular distribution as shown earlier (Piccolo et al 2005): 0-45 ppm = alkyl C; 46-60 ppm = methoxyl and N-alkyl C; 61-90 ppm = O-alkyl C; 91-110 ppm = di-O-alkyl C.…”

Section: C-cpmas Nmrmentioning

confidence: 99%

OMDY: a new model of organic matter decomposition based on biomolecular content as assessed by 13C-CPMAS-NMR

et al. 2016

Self Cite

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Background and Aims\ud \ud Modelling organic matter decomposition is fundamental to understand biogeochemical cycling in terrestrial ecosystems. Current models use C/N or Lignin/N ratios to describe susceptibility to decomposition, or implement separate C pools decaying with different rates, disregarding biomolecular transformations and interactions and their effect on decomposition dynamics. We present a new process-based model of decomposition including a description of biomolecular dynamics obtained by 13C-CPMAS NMR spectroscopy.\ud \ud Methods\ud \ud Baseline decay rates for relevant molecular classes and intermolecular protection were calibrated by best fitting of experimental data from leaves of 20 plant species decomposing for 180 days in controlled optimal conditions. The model was validated against field data from leaves of 32 plant species decomposing for 1-year at four sites in Mediterranean ecosystems.\ud \ud Results\ud \ud Simulations correctly reproduced mass loss data and variations of selected molecular classes both in controlled conditions and in the field, for a wide range of plant molecular composition and environmental conditions.\ud \ud Conclusions\ud \ud Our innovative approach accurately predicted decomposition of a wide range of litters across different climates. Prediction accuracy emerged from the species-specific partitioning of molecular types and from the representation of intermolecular interactions. Further application should be planned in other ecosystems based on long-term decomposition datasets

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Compost amendments enhance peat suppressiveness to Pythium ultimum, Rhizoctonia solani and Sclerotinia minor

Cited by 157 publications

References 42 publications

Suppressive biomasses and antagonist bacteria for an eco-compatible control of Verticillium dahliae on nursery-grown olive plants

Suppressive biomasses and antagonist bacteria for an eco-compatible control of Verticillium dahliae on nursery-grown olive plants

Effect of fermented tea extract in controlling brown spot and narrow brown spot of rice

OMDY: a new model of organic matter decomposition based on biomolecular content as assessed by 13C-CPMAS-NMR

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