A5061836441- Plant-Microbe Interactions and Immunity
- Plant Pathogens and Fungal Diseases
- Cocoa and Sweet Potato Agronomy
- Legume Nitrogen Fixing Symbiosis
- Nematode management and characterization studies
- Plant Pathogenic Bacteria Studies
- Plant Pathogens and Resistance
- Banana Cultivation and Research
- Mycorrhizal Fungi and Plant Interactions
- Yeasts and Rust Fungi Studies
- Genomics and Phylogenetic Studies
- Phytoplasmas and Hemiptera pathogens
- Agricultural and Food Sciences
- Plant Disease Resistance and Genetics
- Cassava research and cyanide
- Studies on Chitinases and Chitosanases
- Fungal Biology and Applications
- Pineapple and bromelain studies
- Plant Parasitism and Resistance
- Microbial Metabolism and Applications
- Microbial Natural Products and Biosynthesis
- Forest ecology and management
- Coffee research and impacts
- Plant Disease Management Techniques
- Agronomic Practices and Intercropping Systems
Universidade Federal de Lavras
2016-2025
University of California, Davis
2021
Aberystwyth University
2020
Institute of Biological, Environmental and Rural Sciences
2020
Universidade Federal do Recôncavo da Bahia
2007-2019
Hospital Municipal Souza Aguiar
2018
Lincoln University
2017
Universidade do Oeste de Santa Catarina
2014
Universidade Federal de Santa Maria
2010
Comissão Executiva do Plano da Lavoura Cacaueira
2006-2010
Novel species of microfungi described in the present study include following from South Africa: Cercosporella dolichandrae Dolichandra unguiscati, Seiridium podocarpi Podocarpus latifolius, Pseudocercospora parapseudarthriae Pseudarthria hookeri, Neodevriesia coryneliae Corynelia uberata on leaves Afrocarpus falcatus, Ramichloridium eucleae Euclea undulata and Stachybotrys aloeticola Aloe sp. (South Africa), as novel member Stachybotriaceae fam. nov. Several were also Zambia, these...
Trichoderma species are soil-borne filamentous fungi widely utilized for their many plant health benefits, such as conferring improved growth, disease resistance and abiotic stress tolerance to hosts. Many able produce the auxin phytohormone indole-3-acetic acid (IAA), its production has been suggested promote root growth. Here we show that of IAA is strain dependent diverse external stimuli associated with production. In in vitro assays, Arabidopsis primary length was negatively affected by...
Novel species of fungi described in this study include those from various countries as follows:
Novel species of fungi described in this study include those from various countries as follows: Australia , Chaetomella pseudocircinoseta and Coniella pseudodiospyri on Eucalyptus microcorys leaves, Cladophialophora eucalypti Teratosphaeria dunnii Vermiculariopsiella Cylindrium grande Hypsotheca eucalyptorum grandis Elsinoe salignae saligna Marasmius lebeliae litter regenerating subtropical rainforest, Phialoseptomonium (incl. gen. nov.) × camaldulensis Phlogicylindrium pawpawense...
Novel species of fungi described in this study include those from various countries as follows: Antarctica , Cladosporium arenosum marine sediment sand. Argentina Kosmimatamyces alatophylus (incl. gen. nov.) soil. Australia Aspergillus banksianus kumbius luteorubrus malvicolor and nanangensis soil, Erysiphe medicaginis leaves Medicago polymorpha Hymenotorrendiella communis on leaf litter Eucalyptus bicostata Lactifluus albopicri austropiperatus Macalpinomyces collinsiae Eriachne benthamii...
ABSTRACT Zoospores play an important role in the infection of plant and animal hosts by oomycetes other zoosporic fungi. In this study, six fluorescent Pseudomonas isolates with zoosporicidal activities were obtained from wheat rhizosphere. multiple oomycetes, including Pythium species, Albugo candida , Phytophthora infestans rendered immotile within 30 s exposure to cell suspensions or culture supernatants isolates, subsequent lysis occurred 60 s. The representative strain SS101, identified...
The antibiotic 2,4-diacetylphloroglucinol (2,4-DAPG) plays an important role in the suppression of plant pathogens by several strains Pseudomonas spp. Based on results this study, there is variation within and among Pythium to 2,4-DAPG. Also, various propagules ultimum var. sporangiiferum, that are part asexual stage life cycle, differ considerably their sensitivity Mycelium was most resistant structure, followed zoosporangia, zoospore cysts, zoospores. Additionally, we report for first time...
Abstract Pyrrolnitrin (PRN) and pyoluteorin (PLT) are broad-spectrum antibiotics produced by several strains of Pseudomonas Burkholderia species. Both play an important role in the suppression multiple plant pathogenic fungi. Primers were developed from conserved sequences amplified prnD pltC fragments 18 four spp. worldwide origin that produce either PRN or PLT both. Subsequent RFLP (restriction fragment length polymorphisms) analysis 438-bp showed no polymorphisms among PLT-producing...
ABSTRACT Natural suppressiveness of soils to take-all disease wheat, referred as decline (TAD), occurs worldwide. It has been postulated that different microbial genera and mechanisms are responsible for TAD in from geographical regions. In growth chamber experiments, we demonstrated fluorescent Pseudomonas spp. produce the antibiotic 2,4-diacetylphloroglucinol (2,4-DAPG) play a key role natural two Dutch soils. First, 2,4-DAPG-producing were present on roots wheat grown both at densities or...
Grapevines are propagated by grafting, but the rootstocks used in commercial plantations susceptible to several diseases. In this study, we focused on a novel root and trunk rot disease of grapevine plantlets that show symptoms during cold storage, before field establishment. Our objectives were study aetiology, symptomatology, plant resistance responses, mode action pathogen was initially identified as Fusarium. The characterisation pathosystem performed isolation, pathogenicity assays,...
Summary The response regulator gene gacA influences the production of several secondary metabolites in both pathogenic and beneficial Pseudomonas spp. In this study, we developed primers a probe for species sequenced 425 bp fragment from ten strains isolated different plant‐associated environments. Polymerase chain reaction analysis Southern hybridization showed that is highly conserved within genus : multiple all responded positively to probe, whereas no was obtained 18 other representing...
Exploiting RNA interference (RNAi) in disease control through non-transformative methods that overcome the hurdle of producing transgenic plants has attracted much attention over last years. Here, we explored such a method and used non-pathogenic bacteria as versatile system for delivering RNAi to fungi. Specifically, RNaseIII-null mutant strain Escherichia coli HT115(DE3) was transformed with two plasmid vectors enabled constitutive or IPTG-inducible production double-stranded RNAs (dsRNAs)...
Laboratory studies with the southern green stink bug, Nezara viridula (L.), indicated presence of bacteria Klebsiella pneumoniae (Schroeter) and Enterococcus faecalis (Andrewes & Horder) in crop/stomach (ventriculus 1–3; V1–V3), possibly Pantoea sp. gastric caeca 4; V4). Culturable were most abundant V1–V3, their abundance was drastically reduced V4. The variable pH gut did not affect bacteria. Elimination from gut, by using antibiotic kanamicin, nymphal developmental time or cause...
Volatile organic compounds (VOC) produced by green residues for the management of plant-parasitic nematodes are poorly studied oilseed plants and some Brassica spp. To investigate activity VOC in vitro as biofumigants, dry aqueous macerates broccoli (Brassica oleracea var. italica) shoots sunflower (Helianthus annuus) seed were used against root-knot nematode Meloidogyne incognita. caused higher mortality M. incognita second-stage juveniles (J2) than but both plant species equally effective...
Black rot of crucifers, (Xanthomonas campestris pv. campestris) is the principal yield-limiting and destructive pathogen cruciferous crop worldwide. In order to validate a bio-based control alternative for this disease, whey, lime sulfur, biofertilizer, Bordeaux mixture or raw milk were applied kale (Brassica oleracea var. acephala) plants. The disease was achieved by most tested products. Milk-based products (raw whey) biofertilizer reduced severity 44 56% in field. Antioxidants, crude...