A5001907986- Plant-Microbe Interactions and Immunity
- Plant Pathogens and Fungal Diseases
- Legume Nitrogen Fixing Symbiosis
- Powdery Mildew Fungal Diseases
- Genetic and Environmental Crop Studies
- Plant Disease Resistance and Genetics
- Plant Pathogens and Resistance
- Fungal Plant Pathogen Control
- Plant Pathogenic Bacteria Studies
- Plant Virus Research Studies
- Plant Disease Management Techniques
- Nematode management and characterization studies
- Botanical Research and Chemistry
- Mycorrhizal Fungi and Plant Interactions
- Agricultural pest management studies
- Plant pathogens and resistance mechanisms
- Insect Pest Control Strategies
- Agronomic Practices and Intercropping Systems
- Allelopathy and phytotoxic interactions
- Horticultural and Viticultural Research
- Composting and Vermicomposting Techniques
- Essential Oils and Antimicrobial Activity
- Agricultural Science and Fertilization
- Mycotoxins in Agriculture and Food
- Plant tissue culture and regeneration
Agricultural Research Organization
2015-2024
Hebrew University of Jerusalem
2005-2024
National Agricultural Research Organisation
2020
Cornell University
2010-2014
United States Department of Agriculture
2014
Agricultural Research Service
2014
Powdery mildews are phytopathogens whose growth and reproduction entirely dependent on living plant cells. The molecular basis of this life-style, obligate biotrophy, remains unknown. We present the genome analysis barley powdery mildew, Blumeria graminis f.sp. hordei (Blumeria), as well a comparison with two pathogenic dicotyledonous plants. These genomes display massive retrotransposon proliferation, genome-size expansion, gene losses. missing genes encode enzymes primary secondary...
Abstract Biochar, in addition to sequestering carbon, ameliorating soil, and improving plant performance, can impact foliar soilborne diseases. Nevertheless, the mechanisms associated with suppression of diseases improved performances are not well understood. This study is designed establish relationships between biochar-induced changes rhizosphere microbial community structure, taxonomic functional diversity, activity disease enhanced performance a comprehensive fashion. Biochar suppressed...
Scientific communication is facilitated by a data-driven, scientifically sound taxonomy that considers the end-user's needs and established successful practice. In 2013, Fusarium community voiced near unanimous support for concept of represented clade comprising all agriculturally clinically important species, including F. solani species complex (FSSC). Subsequently, this was challenged in 2015 one research group who proposed dividing genus into seven genera, FSSC described as members...
The purpose of this review is to examine how biochar additions soil can affect plant diseases caused by soilborne pathogens, with particular attention mechanisms and knowledge gaps. Until now, amendment has been reported the progress pathogens in six distinct pathosystems. Disease severity frequently exhibits a U-shaped response curve, minimum at some intermediate dose. Alteration disease intensity added may result from its varied influences on soil–rhizosphere–pathogen–plant system. These...
The increasing demand for soilless substrates and rising environmental concerns about the use of non-renewable resources such as peat has led to search alternative constituents growing mixtures containerized plants. In this report we reviewed works concerning biochar constituent media, targeting its influence on plant growth disease. Biochar mostly positive or neutral influences compared with media when present in concentrations higher than 25% (v:v). However, studies disease reveals that...
Abstract Molecular mechanisms associated with biochar-elicited suppression of soilborne plant diseases and improved performance are not well understood. A stem base inoculation approach was used to explore the ability biochar induce systemic resistance in tomato plants against crown rot caused by a pathogen, Fusarium oxysporum f. sp. radicis lycopersici. RNA-seq transcriptome profiling tomato, experiments jasmonic salycilic acid deficient mutants, were performed elucidate planta molecular...
Members of the Flavobacterium genus are often highly abundant in rhizosphere. Nevertheless, physiological characteristics associated with their enhanced rhizosphere competence currently an enigma. Flavobacteria possess a unique gliding-motility complex that is tightly recently characterized Bacteroidetes-specific type IX protein secretion system, which distinguishes them from rest microbiome. We hypothesize proper functionality this may confer competitive advantage To test hypothesis, we...
Seed development culminates in programmed cell death (PCD) and hardening of organs enclosing the embryo (e.g., pericarp, seed coat) providing essentially a physical shield for protection during storage soil. We examined proposal that dead embryos are unique entities store release upon hydration active proteins might increase persistence soil, germination seedling establishment. Proteome analyses coats Brassicaceae species revealed hundreds being stored coat released hydration, many...
Summary Biochar can enhance plant growth and reduce diseases, but frequently the optimal doses for these two benefits do not coincide. An approach is needed that will extend range of biochar resulting in a concurrence maximum both productivity disease suppression. A biochar‐amended medium was pre‐conditioned by pre‐planting fertigation order to indigenous microbial community structure activity. Cucumber performance resistance against damping‐off caused Pythium aphanidermatum were monitored....
Transcriptome sequences of the grape powdery mildew fungus Erysiphe necator were used to develop microsatellite markers (EST‐SSRs) study its relatively unexplored population structure in centre diversity eastern North America. Screening transcriptome revealed 116 contigs with candidate microsatellites, from which 11 polymorphic developed 31 tested. Eight these genotype isolates different regions and hosts USA compare them samples southern France Italy. Genetic is much greater than Europe....
We studied the mechanisms of azole resistance in Erysiphe necator by quantifying sensitivity to myclobutanil (EC50) 65 isolates from eastern United States and 12 Chile. From each isolate, we sequenced gene for sterol 14α-demethylase (CYP51), measured expression CYP51 homologs four putative efflux transporter genes, which identified E. transcriptome. Sequence variation was relatively low, with sequences 40 U.S. identical reference sequence. Nine five Chile carried a previously A T nucleotide...
For millennia, chickpea (Cicer arietinum) has been grown in the Levant sympatrically with wild Cicer species. Chickpea is traditionally spring-sown, while its relatives germinate autumn and develop winter. It hypothesized that human-directed shift of domesticated to summer production was an attempt escape devastating Ascochyta disease caused by Didymella rabiei. We estimated genetic divergence between D. rabiei isolates sampled from judaicum C. arietinum potential role temperature adaptation...
Genomic studies demonstrate that components of virulence mechanisms in filamentous eukaryotic pathogens (FEPs, fungi and oomycetes) plants are often highly conserved, or found gene families include secreted hydrolytic enzymes (e.g., cellulases proteases) secondary metabolites toxins), central to the pathogenicity process. However, very few large-scale genomic comparisons have utilized complete proteomes from dozens FEPs reveal lifestyle-associated mechanisms. Providing a powerful means for...
Random mating and recombination in heterothallic ascomycetes should result high genotypic diversity, 1:1 mating-type ratios, random associations of alleles, or linkage equilibrium, at different loci. To test for populations the grape powdery mildew fungus Erysiphe necator, we sampled isolates from vineyards Vitis vinifera Burdett, NY (NY09) Winchester, VA (VA09) end epidemic fall 2009. We also same vineyard spring 2010 onset next epidemic. Isolates were genotyped type 11 microsatellite...
Abstract Cucumber green mottle mosaic virus (CGMMV) assigned to the genus Tobamovirus is considered a major disease cause of cucurbits worldwide. A primary route for CGMMV spread via mechanical contact. The highly stable and adheres various agricultural equipment. In current study, we examined means inactivate reduce planting equipment supplies using chemicals. We have found that incubations CGMMV‐infected cucumber plant extracts with MENNO‐Florades 2%, Virocid 3% or Green Up D 20%...
Biochar soil amendment alleviates plant disease through microbial-mediated processes but drivers facilitating this “biochar effect” are not fully understood. In study, cucumber plants were inoculated with and without the fungus Fusarium oxysporum f. sp. radicis-cucumerinum in either biochar-amended or nonamended soils, severity was assessed. Amplicon sequencing shotgun metagenomics then applied to identify bacteria associated mechanisms potentially involved pathogen inhibition, candidate...
Powdery mildew caused by the fungus Erysiphe necator is a major grape disease worldwide. It attacks foliage and berries reduces yield wine quality. Fungicides are mainly used for combating disease. Fungicide resistance global requisite to reduce pesticide deployment encourage use of environment-friendly alternatives management. Our field experiments showed that foliar application potassium phosphate fertilizer Top-KP+ (1-50-33 NPK) reduced incidence on leaves clusters 15-65% severity 75-90%,...
Peanuts ( Arachis hypogaea) are of significant agricultural importance due to their versatile uses, providing a valuable source edible oil and protein-rich food products serving in industrial applications. susceptible various diseases, one them being net syndrome, poorly understood threat triggered by an undefined causal agent, with symptoms including black coloring lesions the peanut pod that affect product quality. In this study, amplicon sequencing was harnessed explore fungal bacterial...