Academic literature on the topic 'Rhizosphere competence'

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Journal articles on the topic "Rhizosphere competence"

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Ahmad, Jaleed S. "Rhizosphere Competence ofTrichoderma harzianum." Phytopathology 77, no. 2 (1987): 182. http://dx.doi.org/10.1094/phyto-77-182.

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Al-Rawahi, A. K., and J. G. Hancock. "Rhizosphere Competence of Pythium oligandrum." Phytopathology® 87, no. 9 (1997): 951–59. http://dx.doi.org/10.1094/phyto.1997.87.9.951.

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The associations of Pythium oligandrum with the root cortex, rhizoplane, and rhizosphere were measured with 11 crop species. This work was expedited by the use of a semiselective technique for isolation of P. oligandrum from soil and plant material. Cortical colonization of roots by P. oligandrum was not detected, and the rhizoplanes of the roots of most crops were free of the fungus. However, P. oligandrum was detected in large quantities with every crop tested when roots with adhering soil (rhizosphere soil) were assayed. Different crop species and cultivars of cantaloupe, cauliflower, and t
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Ahmad, Jaleed S., and Ralph Baker. "Implications of rhizosphere competence of Trichoderma harzianum." Canadian Journal of Microbiology 34, no. 3 (1988): 229–34. http://dx.doi.org/10.1139/m88-043.

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Seed treatment with conidia of rhizosphere-competent mutants of Trichoderma harzianum reduced the incidence of preemergence damping-off of barley, cucumber, pea, radish, and tomato induced by Pythium ultimum. Wild-type parents of these mutants were less effective in control. When rhizosphere-competent mutants were applied to seed or when a peat-bran preparation was added to soil, the resulting plants produced significantly higher fruit weight and higher dry weights than those treated with rhizosphere-incompetent wild types and controls. Seed treatment with mutants increased the incidence of em
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Ahmad, Jaleed S., and Ralph Baker. "Rhizosphere competence of benomyl-tolerant mutants of Trichoderma spp." Canadian Journal of Microbiology 34, no. 5 (1988): 694–96. http://dx.doi.org/10.1139/m88-116.

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Two strains of Trichoderma harzianum and one each of T. koningii, T. polysporum, and T. viride were mutated for tolerance to the fungicide benomyl. Rhizosphere competence index of several mutants of each strain and species was determined by the rhizosphere competence assay. Most of the mutants and not their wild type parents were rhizosphere competent. When the strains and species were grown in Czapek–Dox broth for 6 days with cellulose as sole carbon source, the mutants produced significantly higher dry weight than their parent wild types. Neither the mutants nor the wild types produced bioma
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Ocamb, Cynthia M. "Rhizosphere Competence ofFusariumSpecies Colonizing Corn Roots." Phytopathology 84, no. 2 (1994): 166. http://dx.doi.org/10.1094/phyto-84-166.

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Hozore, Elissa, and Martin Alexander. "Bacterial characteristics important to rhizosphere competence." Soil Biology and Biochemistry 23, no. 8 (1991): 717–23. http://dx.doi.org/10.1016/0038-0717(91)90140-f.

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Raaijmakers, Jos M., Lentse van der Sluis, Peter A. H. M. Bakker, Bob Schippers, Margot Koster, and Peter J. Weisbeek. "Utilization of heterologous siderophores and rhizosphere competence of fluorescent Pseudomonas spp." Canadian Journal of Microbiology 41, no. 2 (1995): 126–35. http://dx.doi.org/10.1139/m95-017.

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In this study, the potential of different Pseudomonas strains to utilize heterologous siderophores was compared with their competitiveness in the rhizosphere of radish. This issue was investigated in interactions between Pseudomonas putida WCS358 and Pseudomonas fluoresceins WCS374 and in interactions between strain WCS358 and eight indigenous Pseudomonas strains capable of utilizing pseudobactin 358. During four successive plant growth cycles of radish, strain WCS358 significantly reduced rhizosphere population densities of the wild-type strain WCS374 by up to 30 times, whereas derivative str
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Jjemba, P. K., and Martin Alexander. "Possible determinants of rhizosphere competence of bacteria." Soil Biology and Biochemistry 31, no. 4 (1999): 623–32. http://dx.doi.org/10.1016/s0038-0717(98)00168-0.

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Dheeman, Shrivardhan, Nitin Baliyan, Ramesh Chandra Dubey, Dinesh Kumar Maheshwari, Sandeep Kumar, and Lei Chen. "Combined effects of rhizo-competitive rhizosphere and non-rhizosphere Bacillus in plant growth promotion and yield improvement of Eleusine coracana (Ragi)." Canadian Journal of Microbiology 66, no. 2 (2020): 111–24. http://dx.doi.org/10.1139/cjm-2019-0103.

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This study emphasizes the beneficial role of rhizo-competitive Bacillus spp. isolated from rhizospheric and non-rhizospheric soil in plant growth promotion and yield improvement via nitrogen fixation and biocontrol of Sclerotium rolfsii causing foot rot disease in Eleusine coracana (Ragi). The selection of potent rhizobacteria was based on plant-growth-promoting attributes using Venn set diagram and Bonitur scale. Bacillus pumilus MSTA8 and Bacillus amyloliquefaciens MSTD26 were selected because they were effective in root colonization, rhizosphere competence, and biofilm formation using root
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Pathania, Priyanka, Ranjana Bhatia, and Madhu Khatri. "Cross-competence and affectivity of maize rhizosphere bacteria Bacillus sp. MT7 in tomato rhizosphere." Scientia Horticulturae 272 (October 2020): 109480. http://dx.doi.org/10.1016/j.scienta.2020.109480.

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Dissertations / Theses on the topic "Rhizosphere competence"

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Lecomte, Solène. "Anaerobic respiration diversification in Agrobacterium fabrum C58." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1231.

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La respiration anaérobie peut être un trait essentiel dans le mode de vie, la colonisation de l'environnement et la survie. Jusqu'à présent, la seule respiration anaérobie confirmée chez Agrobacterium spp. est la dénitrification. De façon intéressante, cette voie est inégalement répandue chez les agrobactéries. Ces observations m'ont amené à mon hypothèse, à savoir la respiration anaérobie et notamment la dénitrification pourraient expliquer la coexistence d'agrobactéries et leur distribution dans des niches spécifiques de la rhizosphère. Ma thèse visait à explorer les stratégies de respiratio
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Mulesky, Melinda Anne. "Rhizosphere competence, antibiotic and siderophore biosynthesis in Pseudomonas chlororaphis: implications for the biological control of cotton seedling disease pathogens." Diss., Virginia Tech, 1995. http://hdl.handle.net/10919/40235.

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Bach, Evelise. "Utilização de Burkholderia sp. 89 para o controle biológico de fungos fitopatogênicos e identificação de moléculas de seu metabolismo secundário envolvidas nesse processo." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/150647.

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O uso de bactérias promotoras de crescimento vegetal ou agentes de biocontrole como inoculantes agrícolas é uma alternativa importante e ecologicamente correta, com grandes benefícios na agricultura para substituir, ou ao menos suplementar, a excessiva utilização de fertilizantes e pesticidas. Neste trabalho avaliamos a capacidade de biocontrole e de competência rizosférica de três bactérias com características de promoção de crescimento vegetal (Plant growth promoting - PGP): Bacillus mycoides B38V, Paenibacillus riograndensis SBR5 e Burkholderia sp. 89. As três bactérias avaliadas apresentar
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Bourguignon, Emmanuel. "Ecology and diversity of indigenous Trichoderma species in vegetable cropping systems." Lincoln University, 2008. http://hdl.handle.net/10182/641.

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The overall aim of this research was to improve the understanding of the ecology and diversity of Trichoderma species within the soil and rhizosphere of onion (Allium cepa L.) and potato (Solanum tuberosum L.) under intensive management in New Zealand. The indigenous Trichoderma population was measured in a field trial at Pukekohe over a three year period under six different crop rotation treatments. The treatments included two continuous onion and potato rotations (intensive), two onion/potato mixed rotation (conventional), and two green manure rotations (sustainable). Results showed that Tri
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Book chapters on the topic "Rhizosphere competence"

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Hozore, E., and M. Alexander. "Bacterial characteristics important to rhizosphere competence." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_15.

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Bottomley, Peter J., Sharon P. Maggard, Kam Leung, and Matt D. Busse. "Importance of saprophytic competence for introduced rhizobia." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_28.

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Baker, Ralph. "Induction of rhizosphere competence in the biocontrol fungus Trichoderma." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_48.

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Sivan, A., and G. E. Harman. "Improved rhizosphere competence of Trichoderma harzianum by protoplast fusion." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_61.

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Cruz-Magalhães, Valter, Fabiola Padilla-Arizmendi, John Hampton, and Artemio Mendoza-Mendoza. "Trichoderma Rhizosphere Competence, Suppression of Diseases, and Biotic Associations." In Microbial Cross-talk in the Rhizosphere. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9507-0_10.

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de Weert, Sandra, and Guido V. Bloemberg. "Rhizosphere competence and the role of root colonization in biocontrol." In Plant-Associated Bacteria. Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-4538-7_9.

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Contreras-Cornejo, Hexon Angel, Lourdes Macías-Rodríguez, and John Larsen. "The Role of Secondary Metabolites in Rhizosphere Competence of Trichoderma." In Fungal Biology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91650-3_6.

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Latour, Xavier, Sandrine Delorme, Pascal Mirleau, and Philippe Lemanceau. "Identification of Traits Implicated in the Rhizosphere Competence of Fluorescent Pseudomonads: Description of a Strategy Based on Population and Model Strain Studies." In Sustainable Agriculture. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2666-8_19.

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Etesami, Hassan, Hossein Ali Alikhani, and Hossein Mirseyed Hosseini. "Indole-3-Acetic Acid and 1-Aminocyclopropane-1-Carboxylate Deaminase: Bacterial Traits Required in Rhizosphere, Rhizoplane and/or Endophytic Competence by Beneficial Bacteria." In Bacterial Metabolites in Sustainable Agroecosystem. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24654-3_8.

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Pava-Ripoll, Monica. "Metarhizium Robertsii , A Rhizosphere-Competent Insect Pathogen." In Molecular Microbial Ecology of the Rhizosphere. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118297674.ch14.

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Reports on the topic "Rhizosphere competence"

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Thomashow, Linda, Leonid Chernin, Ilan Chet, David M. Weller, and Dmitri Mavrodi. Genetically Engineered Microbial Agents for Biocontrol of Plant Fungal Diseases. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7696521.bard.

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The objectives of the project were: a) to construct the site-specific integrative expression cassettes carrying: (i) the chiA gene for a 58-kDa endochitinase, (ii) the pyrrolnitrin biosynthesis operon, and (iii) the acdS gene encoding ACC deaminase; b) to employ these constructs to engineer stable recombinant strains with an expanded repertoire of beneficial activities; c) to evaluate the rhizosphere competence and antifungal activity of the WT and modified strains against pathogenic fungi under laboratory and greenhouse conditions; and d) to monitor the persistence and impact of the introduce
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Cytryn, Eddie, Mark R. Liles, and Omer Frenkel. Mining multidrug-resistant desert soil bacteria for biocontrol activity and biologically-active compounds. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7598174.bard.

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Control of agro-associated pathogens is becoming increasingly difficult due to increased resistance and mounting restrictions on chemical pesticides and antibiotics. Likewise, in veterinary and human environments, there is increasing resistance of pathogens to currently available antibiotics requiring discovery of novel antibiotic compounds. These drawbacks necessitate discovery and application of microorganisms that can be used as biocontrol agents (BCAs) and the isolation of novel biologically-active compounds. This highly-synergistic one year project implemented an innovative pipeline aimed
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Cytryn, E., Sean F. Brady, and O. Frenkel. Cutting edge culture independent pipeline for detection of novel anti-fungal plant protection compounds in suppressive soils. United States-Israel Binational Agricultural Research and Development Fund, 2022. http://dx.doi.org/10.32747/2022.8134142.bard.

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Fusarium oxysporum spp. causes Panama disease in bananas and crown and root rot in an array of vegetables and field crops, but increased regulations have restricted the use of many conventional chemical pesticides, and there are a limited number of commercially available products effective against them. The soil microbiome represents a largely untapped reservoir of secondary metabolites that can potentially antagonize fungal pathogens. However, most soil bacteria cannot be cultivated using conventional techniques and therefore most of these compounds remain unexplored. The overall goal of this
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