Transcriptional Reprogramming of the Mycoparasitic Fungus Ampelomyces quisqualis During the Powdery Mildew Host-Induced Germination.

abstract：:ABSTRACT Amplified fragment length polymorphisms (AFLPs) were used to estimate phylogenetic relationships within Magnaporthe grisea and determine the genetic structure of M. grisea populations associated with tall fescue and St. Augustinegrass in Georgia. Sixteen clonal lineages were identified in a sample population ...

journal_title：Phytopathology

authors： Tredway LP,Stevenson KL,Burpee LL

更新日期：2005-05-01 00:00:00

abstract：:ABSTRACT Recent reports have shown induction of resistance to Rhizoctonia root rot using nonpathogenic strains of binucleate Rhizoctonia spp. (np-BNR). This study evaluates the biocontrol ability of several np-BNR isolates against root and foliar diseases of cotton in greenhouse trials, provides evidence for induced s...

journal_title：Phytopathology

authors： Jabaji-Hare S,Neate SM

更新日期：2005-09-01 00:00:00

abstract：:ABSTRACT Biocontrol activity of Candida saitoana and its interaction with Botrytis cinerea in apple wounds were investigated. When cultured together, yeast attached to Botrytis sp. hyphal walls. In wounded apple tissue, C. saitoana restricted the proliferation of B. cinerea, multiplied, and suppressed disease caused b...

journal_title：Phytopathology

authors： El-Ghaouth A,Wilson CL,Wisniewski M

更新日期：1998-04-01 00:00:00

abstract：:Asymptomatic plant colonization is hypothesized to enhance persistence of pathogenic forms of Fusarium oxysporum. However, a correlation between pathogen populations on living, asymptomatic plant tissues and soilborne populations after tillage has not been demonstrated. Living and dead tissues of broccoli, lettuce, sp...

journal_title：Phytopathology

authors： Henry PM,Pastrana AM,Leveau JHJ,Gordon TR

更新日期：2019-05-01 00:00:00

abstract：:Blossoms, leaves, fruit, and woody tissues of almond can be affected by anthracnose caused by Colletotrichum acutatum. Because the disease occurs throughout rainy spring seasons, the effect of temperature and wetness duration on disease development was evaluated in controlled studies. The lowest inoculum concentration...

journal_title：Phytopathology

authors： Diéguez-Uribeondo J,Förster H,Adaskaveg JE

更新日期：2011-08-01 00:00:00

abstract：:ABSTRACT Spot blotch, caused by Cochliobolus sativus, is one of the most common foliar diseases of barley in the upper midwest region of the United States. To examine the genetics of host-specific virulence in C. sativus, a cross was made between isolate ND90Pr (which exhibits high virulence on barley genotype Bowman ...

journal_title：Phytopathology

authors： Valjavec-Gratian M,Steffenson BJ

更新日期：1997-11-01 00:00:00

abstract：:Sudden death syndrome (SDS) of soybean has become a serious constraint to the production of this crop in North and South America. Phenotypic and multilocus molecular phylogenetic analyses, as well as pathogenicity experiments, have demonstrated that four morphologically and phylogenetically distinct fusaria can induce...

journal_title：Phytopathology

authors： O'Donnell K,Sink S,Scandiani MM,Luque A,Colletto A,Biasoli M,Lenzi L,Salas G,González V,Ploper LD,Formento N,Pioli RN,Aoki T,Yang XB,Sarver BA

更新日期：2010-01-01 00:00:00

abstract：:ABSTRACT Phytophthora capsici is a diverse species causing disease on a broad range of both temperate and tropical plants. In this study, we used cultural characteristics, amplified fragment length polymorphism (AFLP), and DNA sequence analyses of the ribosomal internal transcribed spacer (ITS) region and mitochondria...

journal_title：Phytopathology

authors： Bowers JH,Martin FN,Tooley PW,Luz ED

更新日期：2007-04-01 00:00:00

abstract：:ABSTRACT Plasmopara viticola populations collected from three islands in the Ionian Sea-an arm of the Mediterranean Sea to the west of Greece-were analyzed with microsatellite molecular markers in order to investigate the pathogen population structure. Downy mildew populations from mainland regions previously studied ...

journal_title：Phytopathology

authors： Rumbou A,Gessler C

更新日期：2006-05-01 00:00:00

abstract：:ABSTRACT Three polymerase chain reaction (PCR) techniques-standard PCR (Std-PCR), direct-binding PCR (DB-PCR), and immunocapture PCR (IC-PCR)-using degenerate primers were optimized and evaluated for the detection of begomoviruses. Tomato leaf samples were ground in three different extraction buffers and subjected to ...

journal_title：Phytopathology

authors： Rampersad SN,Umaharan P

更新日期：2003-09-01 00:00:00

abstract：:ABSTRACT During gel (gum) formation in angiosperm trees, fibrillar material accumulated in protective layers of xylem parenchyma cells before being secreted across half-bordered pit membranes into vessel elements. Immunogold labeling demonstrated that this fibrillar material was mainly composed of partially esterified...

journal_title：Phytopathology

authors： Rioux D,Nicole M,Simard M,Ouellette GB

更新日期：1998-06-01 00:00:00

abstract：:ABSTRACT Rain simulation studies were performed to compare splash dispersal of three Colletotrichum species: C. acutatum (C. acutatum-O isolate from Ohio and C. acutatum-M isolate from Mississippi), C. fragariae (isolate from Mississippi), and C. gloeosporioides (isolate from Florida). Conidial dispersal was assessed ...

journal_title：Phytopathology

authors： Ntahimpera N,Wilson LL,Ellis MA,Madden LV

更新日期：1999-07-01 00:00:00

abstract：:Tomato is an economic crop worldwide. Many limiting factors reduce the production of tomato, with bacterial wilt caused by Ralstonia solanacearum being the most destructive disease. Our previous study showed that the disease resistance to bacterial soft rot is enhanced by Bacillus amyloliquefaciens strain PMB05. This ...

journal_title：Phytopathology

authors： Ho TH,Chuang CY,Zheng JL,Chen HH,Liang YS,Huang TP,Lin YH

更新日期：2020-12-01 00:00:00

abstract：:Cucurbit downy mildew (CDM), caused by the obligate oomycete Pseudoperonospora cubensis, has resurged around the world during the past three decades. A new pathotype or genetic recombinant of P. cubensis have been suggested as possible reasons for the resurgence of CDM in the United States in 2004. In total, 22 isolat...

journal_title：Phytopathology

authors： Thomas A,Carbone I,Lebeda A,Ojiambo PS

更新日期：2017-06-01 00:00:00

abstract：:ABSTRACT One of the major concerns with Fusarium head blight (FHB) of barley is the potential health risks to livestock and humans through the accumulation of the mycotoxin deoxynivalenol (DON) in infected grain. To define the role of the host in DON accumulation during the early stages of disease development, we cond...

journal_title：Phytopathology

authors： Smith KP,Evans CK,Dill-Macky R,Gustus C,Xie W,Dong Y

更新日期：2004-07-01 00:00:00

abstract：:ABSTRACT Poplar leaf rust caused by Melampsora medusae f. sp. deltoidae is a widespread disease in North America, where epidemics occur within zones of sympatry and allopatry of telial hosts (Populus spp.) and aecial hosts (Larix spp.). To test the hypothesis that epidemics originate in the zone of sympatry where the ...

journal_title：Phytopathology

authors： Bourassa M,Bernier L,Hamelin RC

更新日期：2007-05-01 00:00:00

abstract：:ABSTRACT Twenty-one strains of Botrytis cinerea isolated from 13 species of plants grown in China were compared for pathogenicity on Brassica napus, mycelial growth on potato dextrose agar, and presence of double-stranded (ds)RNA. The results showed that the strain CanBc-1 was severely debilitated in pathogenicity and...

journal_title：Phytopathology

authors： Wu MD,Zhang L,Li GQ,Jiang DH,Hou MS,Huang HC

更新日期：2007-12-01 00:00:00

abstract：:ABSTRACT Ageratum conyzoides plants exhibiting yellow vein symptoms, collected near Haikou, Hainan Province, China, contained begomoviral DNA-A-like molecules. The complete sequences of the molecules from two samples, Hn2 and Hn2-19, were shown to consist of 2,768 and 2,748 nucelotides (nt), respectively. These sequen...

journal_title：Phytopathology

authors： Xiong Q,Fan S,Wu J,Zhou X

更新日期：2007-04-01 00:00:00

abstract：:ABSTRACT The ability of Dactylella oviparasitica and Fusarium oxysporum to suppress Heterodera schachtii numbers was examined in field microplots. Fungi were individually added to fumigated field soil that was seeded with sugar beet. Four weeks later, soils were infested with H. schachtii second-stage juveniles (J2). ...

journal_title：Phytopathology

authors： Olatinwo R,Borneman J,Becker JO

更新日期：2006-08-01 00:00:00

abstract：:Xylella fastidiosa infects a wide range of plant hosts and causes Pierce's disease (PD) of grapevines. The type 1 multidrug resistance (MDR) efflux system is essential for pathogenicity and survival of bacterial pathogens in planta. X. fastidiosa, with a single MDR system, is significantly more vulnerable to inhibitio...

journal_title：Phytopathology

authors： Zhang S,Jain M,Fleites LA,Rayside PA,Gabriel DW

更新日期：2019-02-01 00:00:00

abstract：:Grapevine downy mildew (GDM) is a severe disease of grapevines. Because of the lack of reliable information about the dates of GDM symptom onset, many vine growers begin fungicide treatments early in the season. We evaluate the extent to which such preventive treatments are justified. Observational data for 266 untrea...

journal_title：Phytopathology

authors： Chen M,Brun F,Raynal M,Makowski D

更新日期：2019-05-01 00:00:00

abstract：:Late blight caused by Phytophthora infestans (Mont.) de Bary is a constraint to both potato and tomato crops in Nicaragua. The hypothesis that the Nicaraguan population of P. infestans is genotypically and phenotypically diverse and potentially subdivided based on host association was tested. A collection of isolates ...

journal_title：Phytopathology

authors： Blandón-Díaz JU,Widmark AK,Hannukkala A,Andersson B,Högberg N,Yuen JE

更新日期：2012-03-01 00:00:00

abstract：:ABSTRACT Meta-analysis is a set of statistical procedures for synthesizing research results from a number of different studies. An estimate of a statistical effect, such as the difference in disease severity for plants with or without a management treatment, is collected from each study along with a measure of the var...

journal_title：Phytopathology

authors： Rosenberg MS,Garrett KA,Su Z,Bowden RL

更新日期：2004-09-01 00:00:00

abstract：:ABSTRACT A simple model has been developed to predict the onset of pseudothecia maturity and seasonal ascospore showers in relation to blackleg disease in canola, caused by the fungus Leptosphaeria maculans. The model considers a combination of two weather factors, daily mean temperature and daily total rainfall, to d...

journal_title：Phytopathology

authors： Salam MU,Khangura RK,Diggle AJ,Barbetti MJ

更新日期：2003-09-01 00:00:00

abstract：:Citrus Huanglongbing (HLB) is the most severe disease of citrus plants caused by 'Candidatus Liberibacter asiaticus' and transmitted by the insect vector Asian citrus psyllid (ACP). No effective curative measure is available against HLB. For citrus production areas without HLB or with low HLB disease incidence, remova...

journal_title：Phytopathology

authors： Pandey SS,Wang N

更新日期：2019-06-01 00:00:00

abstract：:ABSTRACT Monoconidial isolates of Venturia inaequalis were collected in 1990 and 1991 from orchards in New York, Michigan, and Nova Scotia that had never or only sporadically been treated with fungicides acting as sterol demethylation inhibitors (DMIs). Sensitivities of isolates to two representative DMIs (fenarimol a...

journal_title：Phytopathology

authors： Köller W,Wilcox WF,Barnard J,Jones AL,Braun PG

更新日期：1997-02-01 00:00:00

abstract：:ABSTRACT Mycosphaerella citri, the cause of citrus greasy spot, produces pseudothecia and ascospores in decomposing leaf litter on the grove floor. In laboratory studies, the effect of wetting and drying and temperature on the formation, maturation, and production of pseudothecia and ascospores was evaluated on mature...

journal_title：Phytopathology

authors： Mondal SN,Timmer LW

更新日期：2002-12-01 00:00:00

abstract：:Parastagonospora nodorum is an important fungal pathogen that causes Septoria nodorum blotch (SNB) in wheat. This pathogen produces several necrotrophic effectors that act as virulence factors; three have been cloned, SnToxA, SnTox1, and SnTox3. In this study, P. nodorum and its sister species P. avenaria f. tritici (...

journal_title：Phytopathology

authors： Hafez M,Gourlie R,Despins T,Turkington TK,Friesen TL,Aboukhaddour R

更新日期：2020-12-01 00:00:00

abstract：:ABSTRACT In the present work ectophosphatase activities of three trypanosomatid parasites of plants were characterized using intact cells. Phytomonas françai, Phytomonas mcgheei, and Herpetomonas sp. hydrolyzed p-nitro-phenylphosphate at a rate of 5.40, 7.28, and 25.58 nmol Pi/mg of protein per min, respectively. Expe...

journal_title：Phytopathology

authors： Dutra PM,Rodrigues CO,Romeiro A,Grillo LA,Dias FA,Attias M,De Souza W,Lopes AH,Meyer-Fernandes JR

更新日期：2000-09-01 00:00:00

abstract：:ABSTRACT Late leaf spot disease caused by Cercosporidium personatum is one of the most destructive foliar diseases of peanut (Arachis hypogaea) worldwide. The objective of this research was to identify resistance genes in response to leaf spot disease using microarray and real-time polymerase chain reaction (PCR). To ...

journal_title：Phytopathology

authors： Luo M,Dang P,Bausher MG,Holbrook CC,Lee RD,Lynch RE,Guo BZ

更新日期：2005-04-01 00:00:00