Polyphasic characterization of Xanthomonas axonopodis pv. allii associated with outbreaks of bacterial blight on three Allium species in the Mascarene archipelago.

abstract：:Soybean vein necrosis-associated virus has been linked to an emerging soybean disease in the United States and Canada. Virus distribution and population structure in major growing areas were evaluated. Data were employed to design and develop sensitive detection protocols, able to detect all virus isolates available i...

journal_title：Phytopathology

authors： Zhou J,Tzanetakis IE

更新日期：2013-09-01 00:00:00

abstract：:Crown rust is the most damaging disease of cultivated oat (Avena sativa) and genetic resistance is the primary means of controlling the disease. Quantitative trait loci (QTL) with major and minor effects have been identified in Ogle1040 and TAM O-301 (most notably, Pc58 and PcNQMG/LGCG from TAM O-301 and OT-27 from Og...

journal_title：Phytopathology

authors： Jackson EW,Obert DE,Avant JB,Harrison SA,Chong J,Carson ML,Bonman JM

更新日期：2010-05-01 00:00:00

abstract：:This study investigated the effect of silicon (Si) on the photosynthetic gas exchange parameters (net CO2 assimilation rate [A], stomatal conductance to water vapor [gs], internal CO2 concentration [Ci], and transpiration rate [E]) and chlorophyll fluorescence a parameters (maximum quantum quenching [Fv/Fm and Fv'/Fm'...

journal_title：Phytopathology

authors： Perez CE,Rodrigues FÁ,Moreira WR,DaMatta FM

更新日期：2014-02-01 00:00:00

abstract：:The ability to develop fungicide resistance was assessed in Monilinia fructicola isolates with different fungicide sensitivity phenotypes by adapting mycelium and conidia to increasing concentrations of selective fungicides and UV mutagenesis. Results showed that adaptation to Quinone outside inhibitor (QoI) fungicide...

journal_title：Phytopathology

authors： Luo CX,Schnabel G

更新日期：2008-02-01 00:00:00

abstract：:ABSTRACT Crown rust (Puccinia coronata) in indigenous populations of Avena sterilis has been cited as an example of stability of wild pathosystems that consist of natural mixtures of resistance and virulence. This study confirmed that virulence/avirulence polymorphisms in P. coronata on A. sterilis in Israel are highl...

journal_title：Phytopathology

authors： Leonard KJ,Anikster Y,Manisterski J

更新日期：2004-05-01 00:00:00

abstract：:Oat crown rust caused by Puccinia coronata f. sp. avenae is the most destructive foliar disease of cultivated oat. Characterization of genetic factors controlling resistance responses to Puccinia coronata f. sp. avenae in nonhost species could provide new resources for developing disease protection strategies in oat. ...

journal_title：Phytopathology

authors： Omidvar V,Dugyala S,Li F,Rottschaefer SM,Miller ME,Ayliffe M,Moscou MJ,Kianian SF,Figueroa M

更新日期：2018-12-01 00:00:00

abstract：:Trichoderma gamsii T6085 was used in combination with a Fusarium oxysporum isolate (7121) in order to evaluate, in a multitrophic approach, their competitive ability against F. graminearum, one of the main causal agents of Fusarium head blight (FHB) on wheat. The two antagonists and the pathogen were coinoculated on t...

journal_title：Phytopathology

authors： Sarrocco S,Valenti F,Manfredini S,Esteban P,Bernardi R,Puntoni G,Baroncelli R,Haidukowski M,Moretti A,Vannacci G

更新日期：2019-04-01 00:00:00

abstract：:The increase in the incidence of gastroenteritis outbreaks linked to the consumption of foods of plant origin has ignited public concern and scientific interest in understanding interactions of human enteric pathogens with plants. Enteric disease caused by nontyphoidal Salmonella is a major public health burden, with ...

journal_title：Phytopathology

authors： Brandl MT,Cox CE,Teplitski M

更新日期：2013-04-01 00:00:00

abstract：:ABSTRACT Phytophthora cinnamomi isolates collected from 1977 to 1986 and 1991 to 1993 in two regions in South Africa were analyzed using isozymes. A total of 135 isolates was analyzed for 14 enzymes representing 20 putative loci, of which four were polymorphic. This led to the identification of nine different multiloc...

journal_title：Phytopathology

authors： Linde C,Drenth A,Kemp GH,Wingfield MJ,von Broembsen SL

更新日期：1997-08-01 00:00:00

abstract：:Complete genomic sequences of Artichoke latent virus (ArLV) have been obtained by classical or high-throughput sequencing for an ArLV isolate from Italy (ITBr05) and for two isolates from France (FR37 and FR50). The genome is 8,278 to 8,291 nucleotides long and has a genomic organization comparable with that of Chines...

journal_title：Phytopathology

authors： Minutillo SA,Marais A,Mascia T,Faure C,Svanella-Dumas L,Theil S,Payet A,Perennec S,Schoen L,Gallitelli D,Candresse T

更新日期：2015-08-01 00:00:00

abstract：:Stripe rust is a major disease constraint of wheat production worldwide. Resistance to stripe rust was analyzed using 131 F6 recombinant inbred lines (RILs) derived from a cross between synthetic derived wheat line Soru#1 and wheat cultivar Naxos. The phenotype was evaluated in Mexico and Norway at both seedling and a...

journal_title：Phytopathology

authors： Zhang R,Singh RP,Lillemo M,He X,Randhawa MS,Huerta-Espino J,Singh PK,Li Z,Lan C

更新日期：2019-01-01 00:00:00

abstract：:In planta growth of Zymoseptoria tritici, causal agent of Septoria tritici blotch of wheat, during the infection process has remained an understudied topic due to the long symptomless latent period before the emergence of fruiting bodies. In this study, we attempted to understand the relationship between in planta gro...

journal_title：Phytopathology

authors： Rahman A,Doohan F,Mullins E

更新日期：2020-06-01 00:00:00

abstract：:ABSTRACT It has been speculated that the N-terminal half of the readthrough domain (RTD) encoded by open reading frame 5 of Soybean dwarf virus (SbDV) is related to the vector specificity. To further investigate this hypothesis, transmissibility via aphids was tested on 17 SbDV isolates and comparisons of the deduced ...

journal_title：Phytopathology

authors： Terauchi H,Honda K,Yamagishi N,Kanematsu S,Ishiguro K,Hidaka S

更新日期：2003-12-01 00:00:00

abstract：:ABSTRACT Plant pathogens often exhibit variation in virulence, the ability to cause disease on host plants with specific resistance, evident from the diversity of races observed within pathogen species. The evolution of races in asexual fungal pathogens has been hypothesized to occur in a stepwise fashion, in which mu...

journal_title：Phytopathology

authors： Del Mar Jiménez-Gasco M,Milgroom MG,Jiménez-Díaz RM

更新日期：2004-03-01 00:00:00

abstract：:Fungicide hormesis has implications for the application of fungicides to control plant diseases. We investigated the hormetic effects of the dicarboximide fungicide dimethachlone on mycelial growth and virulence of the necrotrophic plant pathogen Sclerotinia sclerotiorum. Dimethachlone at sublethal doses in potato dex...

journal_title：Phytopathology

authors： Hu S,Li LJ,Wang P,Zhu F

更新日期：2020-10-27 00:00:00

abstract：:Leaf rust, caused by Puccinia triticina, is one of the main fungal diseases limiting durum wheat production. This study aimed to characterize previously undescribed genes for leaf rust resistance in durum wheat. Six different resistant durum genotypes were crossed to two susceptible International Maize and Wheat Impro...

journal_title：Phytopathology

authors： Loladze A,Kthiri D,Pozniak C,Ammar K

更新日期：2014-12-01 00:00:00

abstract：:Phacidiopycnis washingtonensis is the cause of speck rot of apple and leaf blight of Pacific madrone in Washington State. In total, 314 isolates were collected from apple production areas in eastern Washington and Pacific madrone in western Washington. Using eight microsatellite markers designed in this study, 58 uniq...

journal_title：Phytopathology

authors： Sikdar P,Mazzola M,Xiao CL

更新日期：2019-03-01 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：:Ralstonia solanacearum causes bacterial wilt on a wide range of plant hosts. Most strains of R. solanacearum are nonpathogenic below 20°C; however, Race 3 Biovar 2 (R3B2) strains are classified as quarantine pathogens because of their ability to infect crops, cause disease, and survive in temperate climates. We have i...

journal_title：Phytopathology

authors： Bocsanczy AM,Achenbach UC,Mangravita-Novo A,Yuen JM,Norman DJ

更新日期：2012-02-01 00:00:00

abstract：:Stalk rot is one of the most serious and widespread diseases in maize, and effective control measures are currently lacking. Therefore, this study aimed to develop a new biological agent to manage this disease. An antagonistic bacterial strain, TA-1, was isolated from rhizosphere soil and identified as Bacillus methyl...

journal_title：Phytopathology

authors： Cheng X,Ji X,Ge Y,Li J,Qi W,Qiao K

更新日期：2019-04-01 00:00:00

abstract：:The soilborne fungus Rhizoctonia solani anastomosis group 3 (AG-3PT) is a globally important potato pathogen. However, little is known about the population genetic processes affecting field populations of R. solani AG-3PT, especially in the South American Colombian Andes, which is near the center of diversity of the t...

journal_title：Phytopathology

authors： Ferrucho RL,Ceresini PC,Ramirez-Escobar UM,McDonald BA,Cubeta MA,García-Domínguez C

更新日期：2013-08-01 00:00:00

abstract：:ABSTRACT The influence exerted by Pythium group F (a minor pathogen ubiquitous in soilless cultures) and P. uncinulatum (a nonpathogenic species) colonization on tomato roots was investigated. In both interactions, infected roots did not exhibit obvious symptoms; however, major physiological changes occurred within th...

journal_title：Phytopathology

authors： Rey P,Benhamou N,Tirilly Y

更新日期：1998-03-01 00:00:00

abstract：:ABSTRACT Xanthomonas axonopodis pv. glycines is the causal agent of bacterial pustule disease of soybeans. A transposon insertional mutant (KU-P-M670) of X. axonopodis pv. glycines derived from wild-type strain KU-P-34017 lost the ability to induce the hypersensitive response (HR) on tobacco and pepper but retained it...

journal_title：Phytopathology

authors： Kaewnum S,Prathuangwong S,Burr TJ

更新日期：2006-11-01 00:00:00

abstract：:ABSTRACT The influence of varying environmental and cropping conditions including temperature, light, soil type, pathogen isolate and race, and cultivar of tomato on biological control of Fusarium wilt of tomato by isolates of nonpathogenic Fusarium oxysporum (CS-20 and CS-24) and F. solani (CS-1) was evaluated in gre...

journal_title：Phytopathology

authors： Larkin RP,Fravel DR

更新日期：2002-11-01 00:00:00

abstract：:ABSTRACT Citrus Huanglongbing (HLB) is one of the most devastating diseases of citrus worldwide. The causal agent of HLB in Florida is thought to be 'Candidatus Liberibacter asiaticus'. In this work, we examined the responses of 30 different genotypes of citrus to Florida isolates of 'Ca. L. asiaticus' under controlle...

journal_title：Phytopathology

authors： Folimonova SY,Robertson CJ,Garnsey SM,Gowda S,Dawson WO

更新日期：2009-12-01 00:00:00

abstract：:ABSTRACT 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 supp...

journal_title：Phytopathology

authors： Kasuya M,Olivier AR,Ota Y,Tojo M,Honjo H,Fukui R

更新日期：2006-12-01 00:00:00

abstract：:Bacterial disease management is a challenge for modern agriculture due to rapid changes in pathogen populations. Genome sequences for hosts and pathogens provide detailed information that facilitates effector-based breeding strategies. Tomato genotypes have gene-for-gene resistance to the bacterial spot pathogen Xanth...

journal_title：Phytopathology

authors： Timilsina S,Abrahamian P,Potnis N,Minsavage GV,White FF,Staskawicz BJ,Jones JB,Vallad GE,Goss EM

更新日期：2016-10-01 00:00:00

abstract：:Candidatus Liberibacter asiaticus (CLas) is the predominant causal agent of citrus huanglongbing (HLB). The pathogen population size in local tissues and the whole plant are critical for the development of disease symptoms via pathogenicity factors and causing metabolic burden to the host. However, the total populatio...

journal_title：Phytopathology

authors： N C Vasconcelos F,Li J,Pang Z,Vincent C,Wang N

更新日期：2020-10-22 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：:ABSTRACT Colletotrichum gloeosporioides forms a specialized infection structure, an appressorium, for host infection. Contacting hard surface induces appressorium formation in C. gloeosporioides, whereas hydrophobicity of the contact surface does not affect this infection-related differentiation. To determine if the c...

journal_title：Phytopathology

authors： Uhm KH,Ahn IP,Kim S,Lee YH

更新日期：2003-01-01 00:00:00