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Journal articles on the topic 'Suppressive soils'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Ossowicki, Adam, Vittorio Tracanna, Marloes L. C. Petrus, Gilles van Wezel, Jos M. Raaijmakers, Marnix H. Medema, and Paolina Garbeva. "Microbial and volatile profiling of soils suppressive to Fusarium culmorum of wheat." Proceedings of the Royal Society B: Biological Sciences 287, no. 1921 (February 19, 2020): 20192527. http://dx.doi.org/10.1098/rspb.2019.2527.

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In disease-suppressive soils, microbiota protect plants from root infections. Bacterial members of this microbiota have been shown to produce specific molecules that mediate this phenotype. To date, however, studies have focused on individual suppressive soils and the degree of natural variability of soil suppressiveness remains unclear. Here, we screened a large collection of field soils for suppressiveness to Fusarium culmorum using wheat ( Triticum aestivum ) as a model host plant. A high variation of disease suppressiveness was observed, with 14% showing a clear suppressive phenotype. The

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2

Jauri, Patricia Vaz, Nora Altier, Carlos A. Pérez, and Linda Kinkel. "Cropping History Effects on Pathogen Suppressive and Signaling Dynamics in Streptomyces Communities." Phytobiomes Journal 2, no. 1 (January 2018): 14–23. http://dx.doi.org/10.1094/pbiomes-05-17-0024-r.

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Diseases remain a yield-limiting factor for crops despite the availability of control measures for many pathogens. Indigenous soil microorganisms can suppress some plant pathogens, yet there is little systematic information on the effects of cropping systems on disease-suppressive populations in soil. Streptomyces have been associated with suppression of plant diseases in several naturally occurring disease-suppressive soils. Pathogen-suppressive activity of Streptomyces communities is correlated with higher bacterial densities and with inhibitory phenotypes, driven by competition among indige

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3

Schlatter, Daniel, Linda Kinkel, Linda Thomashow, David Weller, and Timothy Paulitz. "Disease Suppressive Soils: New Insights from the Soil Microbiome." Phytopathology® 107, no. 11 (November 2017): 1284–97. http://dx.doi.org/10.1094/phyto-03-17-0111-rvw.

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Soils suppressive to soilborne pathogens have been identified worldwide for almost 60 years and attributed mainly to suppressive or antagonistic microorganisms. Rather than identifying, testing and applying potential biocontrol agents in an inundative fashion, research into suppressive soils has attempted to understand how indigenous microbiomes can reduce disease, even in the presence of the pathogen, susceptible host, and favorable environment. Recent advances in next-generation sequencing of microbiomes have provided new tools to reexamine and further characterize the nature of these soils.

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4

Hong, Shan, Hongling Jv, Xianfu Yuan, Jianjian Geng, Beibei Wang, Yan Zhao, Qing Wang, Rong Li, Zhongjun Jia, and Yunze Ruan. "Soil Organic Nitrogen Indirectly Enhances Pepper-Residue-Mediated Soil Disease Suppression through Manipulation of Soil Microbiome." Agronomy 12, no. 9 (August 31, 2022): 2077. http://dx.doi.org/10.3390/agronomy12092077.

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Banana Fusarium wilt-suppressive soils are effective against pathogen invasion, yet soil physicochemical factors responsible for conducive or suppressive behavior have not been reported. Here, we investigated the changes in banana biomass, disease incidence (DI), soil culturable microbes and physicochemical properties by incorporating pepper and banana residues into conducive and suppressive soils. Before the incorporation of any residues, the suppressive soil significantly increased banana biomass and decreased DI compared to the conducive soil. The biomass of the suppressive soil was signifi

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5

Simon, A., and K. Sivasithamparam. "Microbiological differences between soils suppressive and conducive of the saprophytic growth of Gaeumannomyces graminis var. tritici." Canadian Journal of Microbiology 34, no. 7 (July 1, 1988): 860–64. http://dx.doi.org/10.1139/m88-148.

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A soil acidified by ammonium sulphate following annual application of the fertilizer for 9 years was suppressive of the saprophytic growth of Gaeumannomyces graminis var. tritici in soil (pathogen suppressive). The same soil amended with lime was pathogen conducive. In natural field soil microbial respiration and the 'total' number of aerobic microorganisms were greater in the conducive than in the suppressive soil. In a soil-sandwich bioassay of the transferable suppression of saprophytic growth of the pathogen there were higher numbers of 'total' aerobic microorganisms, fluorescent pseudomon

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6

Wright, Peter J., Rebekah A. Frampton, Craig Anderson, and Duncan Hedderley. "Factors associated with soils suppressive to black scurf of potato caused by Rhizoctonia solani." New Zealand Plant Protection 75 (August 30, 2022): 31–49. http://dx.doi.org/10.30843/nzpp.2022.75.11761.

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Soils in which disease fails to develop despite pathogen presence are considered disease-suppressive. They offer sustainable, effective protection to plants against infection by soil-borne pathogens. Naturally disease-suppressive soils have been reported for diseases of a diverse range of agricultural crops worldwide yet the underlying mechanisms of disease suppression are still not completely understood. Two large greenhouse experiments, conducted during 2017/18 (Year 1) and 2018/19 (Year 2), determined that soils naturally suppressive to stem canker and black scurf of potato (caused by Rhizo

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7

Alabouvette, Claude. "Fusarium wilt suppressive soils: an example of disease-suppressive soils." Australasian Plant Pathology 28, no. 1 (1999): 57. http://dx.doi.org/10.1071/ap99008.

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8

Okalebo, Jane, Gary Y. Yuen, Rhae A. Drijber, Erin E. Blankenship, Cafer Eken, and John L. Lindquist. "Biological Suppression of Velvetleaf (Abutilon theophrasti) in an Eastern Nebraska Soil." Weed Science 59, no. 2 (June 2011): 155–61. http://dx.doi.org/10.1614/ws-d-10-00115.1.

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Weed-suppressive soils contain naturally occurring microorganisms that suppress a weed by inhibiting its growth, development, and reproductive potential. Increased knowledge of microbe–weed interactions in such soils could lead to the identification of management practices that create or enhance soil suppressiveness to weeds. Velvetleaf death and growth suppression was observed in a research field (fieldA) that was planted with high populations of velvetleaf, which may have developed via microbial mediated plant–soil feedback. Greenhouse studies were conducted with soil collected fromfieldA(so

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9

Aslam, Saman. "Non-pathogenic Fusarium oxysporum contributes in the biological suppression of pea wilt in disease suppressive soil." Pakistan Journal of Agricultural Sciences 59, no. 02 (January 1, 2022): 199–206. http://dx.doi.org/10.21162/pakjas/22.9093.

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Peas are growing all over the world as a leguminous crop due to high nutrients value. Fusarium wilt of peas is a destructive disease and causing deleterious loses in pea growing regions of the world. The fields were surveyed with disease incidence of Fusarium wilt in major pea growing areas. Fields with heavy pathogen infestation and natural disease suppressive were observed at District Sahiwal, Pakistan. The samples were collected to diagnose the disease and factors responsible in the suppression of disease. The results of soil physio-chemical properties showed no significant differences betw

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10

Mazzola, Mark, and Yu-Huan Gu. "Wheat Genotype-Specific Induction of Soil Microbial Communities Suppressive to Disease Incited by Rhizoctonia solani Anastomosis Group (AG)-5 and AG-8." Phytopathology® 92, no. 12 (December 2002): 1300–1307. http://dx.doi.org/10.1094/phyto.2002.92.12.1300.

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The induction of disease-suppressive soils in response to specific cropping sequences has been demonstrated for numerous plant-pathogen systems. The role of host genotype in elicitation of the essential transformations in soil microbial community structure that lead to disease suppression has not been fully recognized. Apple orchard soils were planted with three successive 28-day cycles of specific wheat cultivars in the greenhouse prior to infestation with Rhizoctonia solani anastomosis group (AG)-5 or AG-8. Suppressiveness to Rhizoctonia root rot of apple caused by the introduced isolate of

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11

Shen, Zongzhuan, Linda S. Thomashow, Yannan Ou, Chengyuan Tao, Jiabao Wang, Wu Xiong, Hongjun Liu, Rong Li, Qirong Shen, and George A. Kowalchuk. "Shared Core Microbiome and Functionality of Key Taxa Suppressive to Banana Fusarium Wilt." Research 2022 (September 16, 2022): 1–15. http://dx.doi.org/10.34133/2022/9818073.

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Microbial contributions to natural soil suppressiveness have been reported for a range of plant pathogens and cropping systems. To disentangle the mechanisms underlying suppression of banana Panama disease caused by Fusarium oxysporum f. sp. cubense tropical race 4 (Foc4), we used amplicon sequencing to analyze the composition of the soil microbiome from six separate locations, each comprised of paired orchards, one potentially suppressive and one conducive to the disease. Functional potentials of the microbiomes from one site were further examined by shotgun metagenomic sequencing after soil

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12

Yin, Bei, Lea Valinsky, Xuebiao Gao, J. Ole Becker, and James Borneman. "Identification of Fungal rDNA Associated with Soil Suppressiveness Against Heterodera schachtii Using Oligonucleotide Fingerprinting." Phytopathology® 93, no. 8 (August 2003): 1006–13. http://dx.doi.org/10.1094/phyto.2003.93.8.1006.

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To understand the nature of a soil with suppressiveness against Heterodera schachtii, an rDNA analysis was used to identify fungi associated with H. schachtii cysts obtained from soils possessing various levels of suppressiveness. Because H. schachtii cysts isolated from these suppressive soils can transfer this beneficial property to nonsuppressive soils, analysis of the microorganisms associated with the cysts should lead to the identification of the causal organisms. Five soil treatments, generated by mixing different amounts of suppressive and fumigation-induced nonsuppressive soils, were

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13

Simon, A., and K. Sivasithamparam. "The soil environment and the suppression of saprophytic growth of Gaeumannomyces graminis var. tritici." Canadian Journal of Microbiology 34, no. 7 (July 1, 1988): 865–70. http://dx.doi.org/10.1139/m88-149.

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The effect of the soil environment on the transferable suppression of the saprophytic growth of Gaeumannomyces graminis var. tritici (pathogen suppression) was studied in a field soil acidified to pH 4.3 by annual treatment with ammonium sulphate for 9 years and in the same soil further amended with a single application of lime (pH 5.4). Pathogen suppression and the activity of Trichoderma spp. were greater when (i) the unlimed (pathogen-suppressive) soil was added at a rate of 1% (w/w) to the same soil treated with γ-radiation than when added at the same rate to the irradiated limed soil; (ii

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14

Mazzola, Mark, David M. Granatstein, Don C. Elfving, Kent Mullinix, and Yu-Huan Gu. "Cultural Management of Microbial Community Structure to Enhance Growth of Apple in Replant Soils." Phytopathology® 92, no. 12 (December 2002): 1363–66. http://dx.doi.org/10.1094/phyto.2002.92.12.1363.

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Apple replant disease typically is managed through pre-plant application of broad-spectrum soil fumigants including methyl bromide. The impending loss or restricted use of soil fumigants and the needs of an expanding organic tree fruit industry necessitate the development of alternative control measures. The microbial community resident in a wheat field soil was shown to suppress components of the microbial complex that incites apple replant disease. Pseudomonas putida was the primary fluorescent pseudomonad recovered from suppressive soil, whereas Pseudomonas fluorescens bv. III was dominant

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15

May, FE, and JE Ash. "An Assessment of the Allelopathic Potential of Eucalyptus." Australian Journal of Botany 38, no. 3 (1990): 245. http://dx.doi.org/10.1071/bt9900245.

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Previous studies have shown that various Eucalyptus species can yield allelopathic chemicals which may be effective in suppressing understorey vegetation. However, the techniques employed in many studies do not resemble natural ecological processes. This study used germination of Lolium and growth of Lolium, Lemna, Eucalyptus and Acacia to test for allelopathy. Extraction techniques mimicked typical daily rainfall rates upon quantities of foliage, leaf litter and bark litter that are typically encountered in forests; root leachates were obtained hydroponically; stemflow was obtained following

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16

Wang, Quanzhi, Limin Zhou, Han Jin, Bingcheng Cong, Hua Yang, and Shimei Wang. "Investigating the Responses of Microbial Communities to Banana Fusarium Wilt in Suppressive and Conducive Soils Based on Soil Particle-Size Differentiation." Agronomy 12, no. 2 (January 18, 2022): 229. http://dx.doi.org/10.3390/agronomy12020229.

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The microbiota plays a primary role in inhibiting plant pathogens in the soils. However, the correlation between soil particles and local microbial communities has not been fully confirmed. In this study, we contrasted the different assemblages of microbial communities between suppressive and conducive soils via the differentiation of soil particle-size fractions (PSFs). We further extracted the direct and indirect interactive associations among the soil biotic and abiotic factors by using samples from two continuous banana cropping systems. Notable differences were shown in PSF composition, b

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17

Inderbitzin, Patrik, Judson Ward, Alexandra Barbella, Natalie Solares, Dmitriy Izyumin, Prabir Burman, Dan O. Chellemi, and Krishna V. Subbarao. "Soil Microbiomes Associated with Verticillium Wilt-Suppressive Broccoli and Chitin Amendments are Enriched with Potential Biocontrol Agents." Phytopathology® 108, no. 1 (January 2018): 31–43. http://dx.doi.org/10.1094/phyto-07-17-0242-r.

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Two naturally infested Verticillium wilt-conducive soils from the Salinas Valley of coastal California were amended with disease-suppressive broccoli residue or crab meal amendments, and changes to the soil prokaryote community were monitored using Illumina sequencing of a 16S ribosomal RNA gene library generated from 160 bulk soil samples. The experiment was run in a greenhouse, twice, with eggplant as the Verticillium wilt-susceptible host. Disease suppression, plant height, soil microsclerotia density, and soil chitinase activity were assessed at the conclusion of each experiment. In soil w

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18

Barnett, Stephen J., David K. Roget, and Maarten H. Ryder. "Suppression of Rhizoctonia solani AG-8 induced disease on wheat by the interaction between Pantoea, Exiguobacterium, and Microbacteria." Soil Research 44, no. 4 (2006): 331. http://dx.doi.org/10.1071/sr05113.

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Rhizoctonia solani AG-8 is a major wheat root pathogen; however, soils can become suppressive to the expression of disease under intensive cropping with retention of crop residues. This is in part due to the action of soil microorganisms. A step-wise approach was used to determine which microorganisms contributed to suppression of R. solani induced disease in a disease-suppressive soil. Using wheat-soil-pathogen bioassays it was determined that the interaction between 3 phylogenetically diverse groups of bacteria, Pantoea agglomerans, Exiguobacterium acetylicum, and Microbacteria (family Micro

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19

Yin, Bei, Lea Valinsky, Xuebiao Gao, J. Ole Becker, and James Borneman. "Bacterial rRNA Genes Associated with Soil Suppressiveness against the Plant-Parasitic Nematode Heterodera schachtii." Applied and Environmental Microbiology 69, no. 3 (March 2003): 1573–80. http://dx.doi.org/10.1128/aem.69.3.1573-1580.2003.

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ABSTRACT The goal of this study was to identify bacteria involved in soil suppressiveness against the plant-parasitic nematode Heterodera schachtii. Since H. schachtii cysts isolated from the suppressive soil can transfer this beneficial property to nonsuppressive soils, analysis of the cyst-associated microorganisms should lead to the identification of the causal organisms. Our experimental approach was to identify bacterial rRNA genes (rDNA) associated with H. schachtii cysts obtained from soil mixtures with various levels of suppressiveness. We hypothesized that we would be able to identify

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20

Rimé, Delphine, Sylvie Nazaret, François Gourbière, Patrice Cadet, and Yvan Moënne-Loccoz. "Comparison of Sandy Soils Suppressive or Conducive to Ectoparasitic Nematode Damage on Sugarcane." Phytopathology® 93, no. 11 (November 2003): 1437–44. http://dx.doi.org/10.1094/phyto.2003.93.11.1437.

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Two South African sandy soils, one suppressive and the other conducive to ectoparasitic nematode damage on monoculture sugarcane, were compared. Analysis of field transects indicated that the suppressive soil displayed a comparatively higher population of the weak ectoparasite Helicotylenchus dihystera, whose predominance among ectoparasitic nematodes is known to limit yield loss caused by more virulent phytonematodes. Soil type was identical at both sites (entisols), but the suppressive soil had a higher organic matter content and a lower pH, which correlated with H. dihystera population data

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Simon, A., and K. Sivasithamparam. "Interactions among Gaeumannomyces graminis var. tritici, Trichoderma koningii, and soil bacteria." Canadian Journal of Microbiology 34, no. 7 (July 1, 1988): 871–76. http://dx.doi.org/10.1139/m88-150.

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Interactions among Gaeumannomyces graminis var. tritici, Trichoderma koningii, and soil bacteria were studied in vitro and in soils suppressive and conducive of the saprophytic growth of G. graminis var. tritici. Fifty-four percent of bacteria isolated from the suppressive soil and 10% from the conducive soil were antagonistic to G. graminis var. tritici in vitro. The reduction in the growth of T. koningii in vitro by metabolite(s) produced in pure culture by soil bacteria was 14 and 28% for the bacteria isolated from the suppressive and conducive soil, respectively. Metabolite(s) produced by

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Zhang, Na, Chengzhi Zhu, Zongzhuan Shen, Chengyuan Tao, Yannan Ou, Rong Li, Xuhui Deng, Qirong Shen, and Francisco Dini-Andreote. "Partitioning the Effects of Soil Legacy and Pathogen Exposure Determining Soil Suppressiveness via Induced Systemic Resistance." Plants 11, no. 21 (October 23, 2022): 2816. http://dx.doi.org/10.3390/plants11212816.

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Beneficial host-associated bacteria can assist plant protection against pathogens. In particular, specific microbes are able to induce plant systemic resistance. However, it remains largely elusive which specific microbial taxa and functions trigger plant immune responses associated with disease suppression. Here, we experimentally studied this by setting up two independent microcosm experiments that differed in the time at which plants were exposed to the pathogen and the soil legacy (i.e., soils with historically suppressive or conducive). Overall, we found soil legacy effects to have a majo

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Kasuya, Masahiro, Andriantsoa R. Olivier, Yoko Ota, Motoaki Tojo, Hitoshi Honjo, and Ryo Fukui. "Induction of Soil Suppressiveness Against Rhizoctonia solani by Incorporation of Dried Plant Residues into Soil." Phytopathology® 96, no. 12 (December 2006): 1372–79. http://dx.doi.org/10.1094/phyto-96-1372.

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Suppressive effects of soil amendment with residues of 12 cultivars of Brassica rapa on damping-off of sugar beet were evaluated in soils infested with Rhizoctonia solani. Residues of clover and peanut were tested as noncruciferous controls. The incidence of damping-off was significantly and consistently suppressed in the soils amended with residues of clover, peanut, and B. rapa subsp. rapifera ‘Saori’, but only the volatile substance produced from water-imbibed residue of cv. Saori exhibited a distinct inhibitory effect on mycelial growth of R. solani. Nonetheless, disease suppression in suc

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Rosenzweig, Noah, James M. Tiedje, John F. Quensen, Qingxiao Meng, and Jianjun J. Hao. "Microbial Communities Associated with Potato Common Scab-Suppressive Soil Determined by Pyrosequencing Analyses." Plant Disease 96, no. 5 (May 2012): 718–25. http://dx.doi.org/10.1094/pdis-07-11-0571.

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Potato common scab, caused by Streptomyces spp., is an annual production problem for potato growers, and not effectively controlled by current methods. A field with naturally occurring common scab suppression has been identified in Michigan, and confirmed to have a biological basis for this disease suppression. This field and an adjacent scab nursery conducive to disease were studied using pyrosequencing to compare the two microbial communities. Total DNA was extracted from both the disease-conducive and -suppressive soils. A phylogenetically taxon-informative region of the 16S rRNA gene was u

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Zhou, Cheng, Zhongyou Ma, Xiaoming Lu, Lin Zhu, and Jianfei Wang. "Phenolic Acid-Degrading Consortia Increase Fusarium Wilt Disease Resistance of Chrysanthemum." Agronomy 10, no. 3 (March 12, 2020): 385. http://dx.doi.org/10.3390/agronomy10030385.

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Soil microbial community changes imposed by the cumulative effects of root-secreted phenolic acids (PAs) promote soil-borne pathogen establishment and invasion under monoculture systems, but the disease-suppressive soil often exhibits less soil-borne pathogens compared with the conducive soil. So far, it remains poorly understood whether soil disease suppressiveness is associated with the alleviated negative effects of PAs, involving microbial degradation. Here, the long-term monoculture particularly shaped the rhizosphere microbial community, for example by the enrichment of beneficial Pseudo

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Min, Yu Yu, and Koki Toyota. "Suppression of Meloidogyne incognita in different agricultural soils and possible contribution of soil fauna." Nematology 15, no. 4 (2013): 459–68. http://dx.doi.org/10.1163/15685411-00002693.

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A total of 12 soils collected from different agricultural fields, having different backgrounds of organic input, were evaluated for their suppressive potential against Meloidogyne incognita. Second-stage juveniles (J2) of M. incognita were inoculated into the soils and their survival was evaluated. The number of M. incognita J2 5 days after inoculation differed depending on soil and was significantly lower in two soils, suggesting higher suppressiveness against M. incognita in these soils. This was confirmed by an experiment using tomato as a test plant, in which the gall formation was signifi

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Kremer, Robert J., and Jianmei Li. "Developing weed-suppressive soils through improved soil quality management." Soil and Tillage Research 72, no. 2 (August 2003): 193–202. http://dx.doi.org/10.1016/s0167-1987(03)00088-6.

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Shimizu, Yukari, Daiki Sagiya, Mariko Matsui, and Ryo Fukui. "Zonal Soil Amendment with Simple Sugars to Elevate Soil C/N Ratios as an Alternative Disease Management Strategy for Rhizoctonia Damping-off of Sugar Beet." Plant Disease 102, no. 7 (July 2018): 1434–44. http://dx.doi.org/10.1094/pdis-09-16-1279-re.

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Effects of monosaccharide-amended soils on suppression of Rhizoctonia damping-off of sugar beet were compared under controlled experiments. Suppressive effects of glucose, fructose, sorbose, and xylose were significantly (P < 0.001) greater than that of galactose or mannose but the effect of sorbose was reduced by soil treatments with antibiotics. Saprotrophic growth of Rhizoctonia solani in the laimosphere also was suppressed by glucose, fructose, sorbose, and xylose, whereas only sorbose repressed pericarp colonization. Sugar alcohols (mannitol, sorbitol, and xylitol) neither suppressed R

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HO, W., L. CHERN, and W. KO. "Pseudomonas Solanacearum-suppressive soils in Taiwan." Soil Biology and Biochemistry 20, no. 4 (1988): 489–92. http://dx.doi.org/10.1016/0038-0717(88)90063-6.

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Goh, Yit Kheng, Muhammad Zarul Hanifah Md Zoqratt, You Keng Goh, Qasim Ayub, and Adeline Su Yien Ting. "Determining Soil Microbial Communities and Their Influence on Ganoderma Disease Incidences in Oil Palm (Elaeis guineensis) via High-Throughput Sequencing." Biology 9, no. 12 (November 27, 2020): 424. http://dx.doi.org/10.3390/biology9120424.

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Basal stem rot (BSR), caused by Ganoderma boninense, is the most devastating oil palm disease in South East Asia, costing US$500 million annually. Various soil physicochemical parameters have been associated with an increase in BSR incidences. However, very little attention has been directed to understanding the relationship between soil microbiome and BSR incidence in oil palm fields. The prokaryotic and eukaryotic microbial diversities of two coastal soils, Blenheim soil (Typic Quartzipsamment—calcareous shell deposits, light texture) with low disease incidence (1.9%) and Bernam soil (Typic

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Dignam, B. E. A., M. O'Callaghan, L. M. Condron, J. M. Raaijmakers, G. A. Kowalchuk, and S. A. Wakelin. "A bioassay to compare the disease suppressive capacity of pasture soils." New Zealand Plant Protection 68 (January 8, 2015): 151–59. http://dx.doi.org/10.30843/nzpp.2015.68.5834.

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Dynamic pathogen complexes can develop under pastures thereby substantially reducing potential productivity Suppression of such pathogen complexes is therefore of great importance and bioassays can quantify disease suppression in soils This study describes the development of a pasturerelevant system Rhizoctonia solani AG 21 induced dampingoff (wirestem) of kale (Brassica oleracea) As kale is not a component of traditional ryegrass clover pasture swards the assay allows assessment of general disease suppression considered more enduring in multiplehostmultiplepathogen systems A pathogenic Rhizoc

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O’Connor, Patrick, Maria Manjarrez, and Sally E. Smith. "The fate and efficacy of benomyl applied to field soils to suppress activity of arbuscular mycorrhizal fungi." Canadian Journal of Microbiology 55, no. 7 (July 2009): 901–4. http://dx.doi.org/10.1139/w09-035.

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A systematic application of the fungicide benomyl was used to follow up the suppression of arbuscular mycorrhizal (AM) colonization and to determine its fungitoxic activity and persistence at different depths. Repeated applications of benomyl reduced AM colonization mainly in the upper 0–4 cm layer of the treated soils. Furthermore, AM colonization decreased with soil depth. The activity and persistence of this fungicide was reduced over small changes in depth in the first 10 cm of the soil profile beneath a semiarid herbland at Brookfield Conservation Park (South Australia). Repeated applicat

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Latif, Sajid, Saliya Gurusinghe, Paul A. Weston, William B. Brown, Jane C. Quinn, John W. Piltz, and Leslie A. Weston. "Performance and weed-suppressive potential of selected pasture legumes against annual weeds in south-eastern Australia." Crop and Pasture Science 70, no. 2 (2019): 147. http://dx.doi.org/10.1071/cp18458.

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Mixed farming systems have traditionally incorporated subterranean clover (Trifolium subterraneum L.) and lucerne (Medicago sativa L.) as key components of the pasture phase across south-eastern Australia. However, poor adaptation of subterranean clover to acidic soils, insufficient and inconsistent rainfall, high input costs, soil acidification and the emergence of herbicide-resistant weeds have reduced efficacy of some traditional clover species in recent years. To overcome these challenges, numerous novel pasture species have been selectively improved and released for establishment in Austr

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Shoaf, Nathan, Lori Hoagland, and Daniel S. Egel. "Suppression of Phytophthora Blight in Sweet Pepper Depends on Biochar Amendment and Soil Type." HortScience 51, no. 5 (May 2016): 518–24. http://dx.doi.org/10.21273/hortsci.51.5.518.

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Phytophthora blight has become one of the most serious threats to the vegetable industry. Managing this disease is challenging, because the oomycete pathogen responsible, Phytophthora capsici, can move rapidly through crop fields, has a wide host range, is resistant to many commonly used fungicides, and produces resilient spores that can survive in soil for up to 10 years. Recent studies have demonstrated that biochar amendments can suppress infection by many soil-borne pathogens—indicating that these amendments could have the potential to help control phytophthora blight. In this study, green

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Potter, J. W., and A. W. McKeown. "Nematode biodiversity in Canadian agricultural soils." Canadian Journal of Soil Science 83, Special Issue (August 1, 2003): 289–302. http://dx.doi.org/10.4141/s01-064.

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The biodiversity of soil-inhabiting nematodes in Canada is incompletely known, as large areas of Canada’s landmass have not been surveyed for nematode fauna. Nematodes considered as indigenous are generally well adapted to a variety of ecological niches and climatic zones. Much of the available information is based on agricultural ecosystems and agricultural species, and thus is biased toward conditions in disturbed ecosystems and away from “primeval” ecology. Introduced nematode species are frequently quite pathogenic, even to exotic host plants from the same geographic point of origin. Estim

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Devi, Yumnam Bijilaxmi, and Thounaojam Thomas Meetei. "A Review: Suppressive Soils and its Importance." International Journal of Current Research in Biosciences and Plant Biology 5, no. 2 (February 6, 2018): 67–75. http://dx.doi.org/10.20546/ijcrbp.2018.502.007.

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Pyrowolakis, Aris, Andreas Westphal, Richard A. Sikora, and J. Ole Becker. "Identification of root-knot nematode suppressive soils." Applied Soil Ecology 19, no. 1 (January 2002): 51–56. http://dx.doi.org/10.1016/s0929-1393(01)00170-6.

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Michel, Vincent V., and T. W. Mew. "Effect of a Soil Amendment on the Survival of Ralstonia solanacearum in Different Soils." Phytopathology® 88, no. 4 (April 1998): 300–305. http://dx.doi.org/10.1094/phyto.1998.88.4.300.

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The effect of a soil amendment (SA) composed of urea (200 kg of N per ha) and CaO (5,000 kg/ha) on the survival of Ralstonia solanacearum in four Philippine soils was investigated in a series of laboratory experiments. Within 3 weeks after application, the SA either caused an initial decrease, a final decline, or no change in the pathogen population, depending on the particular soil type. An initial decrease occurred in a soil with a basic pH and resulted in a significantly (P < 0.001) lower pathogen population immediately and at 1 week after amending the soil. This decrease was probably du

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Durán, Paola, Gonzalo Tortella, Michael J. Sadowsky, Sharon Viscardi, Patricio Javier Barra, and Maria de la Luz Mora. "Engineering Multigenerational Host-Modulated Microbiota against Soilborne Pathogens in Response to Global Climate Change." Biology 10, no. 9 (September 3, 2021): 865. http://dx.doi.org/10.3390/biology10090865.

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Crop migration caused by climatic events has favored the emergence of new soilborne diseases, resulting in the colonization of new niches (emerging infectious diseases, EIDs). Soilborne pathogens are extremely persistent in the environment. This is in large part due to their ability to reside in the soil for a long time, even without a host plant, using survival several strategies. In this regard, disease-suppressive soils, characterized by a low disease incidence due to the presence of antagonist microorganisms, can be an excellent opportunity for the study mechanisms of soil-induced immunity

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De Corato, Ugo. "Retraction: De Corato, U. Soil Microbiome Manipulation Gives New Insights in Plant Disease-Suppressive Soils from the Perspective of a Circular Economy: A Critical Review. Sustainability 2021, 13, 10." Sustainability 13, no. 4 (February 4, 2021): 1688. http://dx.doi.org/10.3390/su13041688.

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The journal retracts the article “Soil Microbiome Manipulation Gives New Insights in Plant Disease-Suppressive Soils from the Perspective of a Circular Economy: A Critical Review” by Ugo De Corato [...]

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Reeleder, R. D. "Fungal plant pathogens and soil biodiversity." Canadian Journal of Soil Science 83, Special Issue (August 1, 2003): 331–36. http://dx.doi.org/10.4141/s01-068.

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The role of biodiversity as it affects the control of soil-borne fungal pathogens is discussed. Soil-borne fungal plant pathogens have often proven difficult to manage with conventional methods of disease control. Nonetheless, researchers have characterized several naturally occurring “disease-suppressive” soils where crop loss from disease is less than would otherwise be expected. Suppressive soils can also result from the incorporation of various amendments into soil. In most cases, disease control in such soils has been shown to be biological in nature; that is, soil organisms appear to dir

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Westphal, A., and J. O. Becker. "Transfer of Biological Soil Suppressiveness Against Heterodera schachtii." Phytopathology® 90, no. 4 (April 2000): 401–6. http://dx.doi.org/10.1094/phyto.2000.90.4.401.

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Heterodera schachtii-suppressive soil at a rate of either 1 or 10% (dry wt/wt) transferred suppressiveness against the beet cyst nematode to fumigated field plots when mixed into the upper 10-cm soil layer. Soil suppressiveness was established after 1 month of moist fallow and 77 days of Swiss chard cropping in the 10% transfer treatment and after 230 days in the 1% transfer treatment. The number of infective second-stage juveniles (J2) of H. schachtii, monitored initially at 150 degree-day intervals and later at 300 degree-day intervals, indicated the status of suppressiveness in the differen

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Becker, Donna M., Linda L. Kinkel, and Janet L. Schottel. "Evidence for interspecies communication and its potential role in pathogen suppression in a naturally occurring disease suppressive soil." Canadian Journal of Microbiology 43, no. 10 (October 1, 1997): 985–90. http://dx.doi.org/10.1139/m97-142.

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Streptomyces strains isolated from potato scab suppressive (n = 9) and conducive (n = 5) soils were screened for their ability to produce diffusible chemicals that trigger antibiotic production in the pathogen-suppressive Streptomyces diastatochromogenes PonSSII. Using an Agrobacterium detection system, the strains were tested for the ability to produce homoserine lactone autoinducers. In addition, suppressive strain PonSSII was screened for production of an autoinducer for antibiotic production in a chemically defined liquid medium. Interspecies communication was investigated by growing suppr

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Kinkel, Linda L., Matthew G. Bakker, and Daniel C. Schlatter. "A Coevolutionary Framework for Managing Disease-Suppressive Soils." Annual Review of Phytopathology 49, no. 1 (September 8, 2011): 47–67. http://dx.doi.org/10.1146/annurev-phyto-072910-095232.

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Döring, Thomas F., Dagmar Rosslenbroich, Christian Giese, Miriam Athmann, Christine Watson, Imre Vágó, János Kátai, Magdolna Tállai, and Christian Bruns. "Disease suppressive soils vary in resilience to stress." Applied Soil Ecology 149 (May 2020): 103482. http://dx.doi.org/10.1016/j.apsoil.2019.103482.

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Marban-Mendoza, Nahum, Roberto Garcia-E., M. Bess Dicklow, and Bert M. Zuckerman. "Studies onPaecilomyces marquandii from nematode suppressive chinampa soils." Journal of Chemical Ecology 18, no. 5 (May 1992): 775–83. http://dx.doi.org/10.1007/bf00994614.

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CHUANG, Tsai-young, and Wen-hsiung Ko. "Rhizoctonia solani-suppressive soils: Detection by chlamydospore germination." Japanese Journal of Phytopathology 54, no. 2 (1988): 158–63. http://dx.doi.org/10.3186/jjphytopath.54.158.

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Défago, G. "Microbial characteristics of disease-suppressive soils: a review." Experientia 42, no. 1 (January 1986): 94–95. http://dx.doi.org/10.1007/bf01975942.

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Li, Xiaoping, Ping Kong, Margery Daughtrey, Kathleen Kosta, Scott Schirmer, Matthew Howle, Michael Likins, and Chuanxue Hong. "Characterization of the Soil Bacterial Community from Selected Boxwood Gardens across the United States." Microorganisms 10, no. 8 (July 26, 2022): 1514. http://dx.doi.org/10.3390/microorganisms10081514.

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In a recent study, we observed a rapid decline of the boxwood blight pathogen Calonectria pseudonaviculata (Cps) soil population in all surveyed gardens across the United States, and we speculated that these garden soils might be suppressive to Cps. This study aimed to characterize the soil bacterial community in these boxwood gardens. Soil samples were taken from one garden in California, Illinois, South Carolina, and Virginia and two in New York in early summer and late fall of 2017 and 2018. Soil DNA was extracted and its 16S rRNA amplicons were sequenced using the Nanopore MinION® platform

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Fichtner, E. J., S. C. Lynch, and D. M. Rizzo. "Survival, Dispersal, and Potential Soil-Mediated Suppression of Phytophthora ramorum in a California Redwood-Tanoak Forest." Phytopathology® 99, no. 5 (May 2009): 608–19. http://dx.doi.org/10.1094/phyto-99-5-0608.

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Because the role of soil inoculum of Phytophthora ramorum in the sudden oak death disease cycle is not well understood, this work addresses survival, chlamydospore production, pathogen suppression, and splash dispersal of the pathogen in infested forest soils. Colonized rhododendron and bay laurel leaf disks were placed in mesh sachets before transfer to the field in January 2005 and 2006. Sachets were placed under tanoak, bay laurel, and redwood at three vertical locations: leaf litter surface, litter–soil interface, and below the soil surface. Sachets were retrieved after 4, 8, 20, and 49 we

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