Genetic Control and Host Range of Avirulence Toward Brassica napus Cultivars Quinta and Jet Neuf in Leptosphaeria maculans.

abstract：:ABSTRACT The infection of Arabidopsis thaliana roots with the obligate parasite Orobanche ramosa represents a useful model for a study of the molecular events involved in the host plant response to a parasitic plant attack. To avoid analysis problems due to the subterranean development of O. ramosa, we developed two i...

journal_title：Phytopathology

authors： Dos Santos CV,Letousey P,Delavault P,Thalouarn P

更新日期：2003-04-01 00:00:00

abstract：:Cucurbit downy mildew (CDM), caused by the oomycete pathogen Pseudoperonospora cubensis, is a devastating disease that affects cucurbit species worldwide. This obligate, wind-dispersed pathogen does not overwinter in Michigan or other northern regions and new isolates can enter the state throughout the growing season....

journal_title：Phytopathology

authors： Naegele RP,Quesada-Ocampo LM,Kurjan JD,Saude C,Hausbeck MK

更新日期：2016-04-01 00:00:00

abstract：:ABSTRACT Colletotrichum acutatum, which causes anthracnose disease on strawberry, can also persist on several other plant species without causing disease symptoms. The genetic and molecular bases that determine pathogenic and nonpathogenic lifestyles in C. acutatum are unclear. We developed a transformation system for...

journal_title：Phytopathology

authors： Horowitz S,Freeman S,Sharon A

更新日期：2002-07-01 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

abstract：:Triticum pathotype (MoT) of Magnaporthe oryzae (syn. Pyricularia oryzae) causes wheat blast, which has recently spread to Asia. To assess the potential risk of wheat blast in rice-wheat growing regions, we investigated the pathogenicity of 14 isolates of P. oryzae on 32 wheat cultivars, among which MoO isolates were c...

journal_title：Phytopathology

authors： Wang S,Wang J,Zhang Z,Hao Z,Zhu X,Wang Y,Lin F,Sun G

更新日期：2021-01-20 00:00:00

abstract：:There is increasing use of networks in ecology and epidemiology, but still relatively little application in phytopathology. Networks are sets of elements (nodes) connected in various ways by links (edges). Network analysis aims to understand system dynamics and outcomes in relation to network characteristics. Many exi...

journal_title：Phytopathology

authors： Moslonka-Lefebvre M,Finley A,Dorigatti I,Dehnen-Schmutz K,Harwood T,Jeger MJ,Xu X,Holdenrieder O,Pautasso M

更新日期：2011-04-01 00:00:00

abstract：:ABSTRACT A major leaf rust (Puccinia triticina) resistance quantitative trait locus (QTL) (QLrP.sfr-7DS) previously has been described on chromosome 7DS in the winter wheat (Triticum aestivum) cv. Forno. It was detected in a population of single-seed descent (SSD) lines derived from the cross Arina x Forno. QLrP.sfr-7...

journal_title：Phytopathology

authors： Schnurbusch T,Bossolini E,Messmer M,Keller B

更新日期：2004-10-01 00:00:00

abstract：:The role of Grapevine Pinot gris virus (GPGV) in the etiology of grapevine leaf mottling and deformation was investigated by biological and molecular assays. A survey on different cultivars from the Trentino Region in Italy showed a widespread distribution of GPGV, which was associated with symptomatic (79%) but also ...

journal_title：Phytopathology

authors： Saldarelli P,Giampetruzzi A,Morelli M,Malossini U,Pirolo C,Bianchedi P,Gualandri V

更新日期：2015-04-01 00:00:00

abstract：:Nicotiana benthamiana is a valuable model organism in plant biology research. This report describes its extended applicability in the field of molecular plant pathology by introducing a nonbiotrophic fungal pathogen Cercospora nicotianae that can be conveniently used under laboratory conditions, consistently induces a...

journal_title：Phytopathology

authors： Fodor J,Kámán-Tóth E,Dankó T,Schwarczinger I,Bozsó Z,Pogány M

更新日期：2018-01-01 00:00:00

abstract：:Bois noir phytoplasma (BNp), widespread in wine-producing areas of Europe and endemic in France and Italy, is classified in the 16SrXII-A subgroup, whose members are referred to as Stolbur phytoplasmas. The 16S rDNA gene of Stolbur phytoplasma shows low variability, and few non-ribosomal genes are available as markers...

journal_title：Phytopathology

authors： Pacifico D,Alma A,Bagnoli B,Foissac X,Pasquini G,Tessitori M,Marzachì C

更新日期：2009-06-01 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 Pyrenophora tritici-repentis, causal agent of tan spot of wheat, produces multiple host-selective toxins (HSTs), including Ptr ToxA, Ptr ToxB, and Ptr ToxC. The specific complement of HSTs produced by a particular isolate determines its host cultivar specificity. Each unique specificity profile, represented b...

journal_title：Phytopathology

authors： Andrie RM,Pandelova I,Ciuffetti LM

更新日期：2007-06-01 00:00:00

abstract：:Lily leaf blight, caused by Botrytis elliptica, is an important fungal disease in Taiwan. In order to identify an effective, nonfungicide method to decrease disease incidence in Lilium formosanum, the efficacy of rhizobacteria eliciting induced systemic resistance (ISR) was examined in this study. Over 300 rhizobacter...

journal_title：Phytopathology

authors： Liu YH,Huang CJ,Chen CY

更新日期：2008-07-01 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：:ABSTRACT A viral isolate, designated N-1 and obtained from a gentian (Gentiana scabra) plant that exhibited mosaic symptoms, was transmitted mechanically to nine plant species in six families. These plants are known as hosts of fabaviruses. The N-1 isolate was composed of isometric particles 30 nm in diameter and incl...

journal_title：Phytopathology

authors： Kobayashi YO,Kobayashi A,Hagiwara K,Uga H,Mikoshiba Y,Naito T,Honda Y,Omura T

更新日期：2005-02-01 00:00:00

abstract：:Fifty strains of Fusarium oxysporum, recovered from rhizosphere soil around native Gossypium species and found to be mildly virulent on cotton (Gossypium hirsutum), were used to assay the propensity for evolution of virulence using serial passage assays through cotton. Only one lineage A strain, 2613, successfully com...

journal_title：Phytopathology

authors： Wang B,Brubaker CL,Tate W,Woods MJ,Burdon JJ

更新日期：2008-03-01 00:00:00

abstract：:Although 'Candidatus Liberibacter asiaticus' (Las) is a major pathogen associated with citrus huanglongbing (HLB), some characteristics of transmission by the psyllid vector Diaphorina citri are not fully understood. We examined the latent period and persistence of transmission of Las by D. citri in a series of experi...

journal_title：Phytopathology

authors： Canale MC,Tomaseto AF,Haddad ML,Della Coletta-Filho H,Lopes JR

更新日期：2017-03-01 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：: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 The spread of Fusarium head blight of wheat from a small area inoculum source was examined in wheat plots (100, 625, or 2,500 m(2)) inoculated in the center with Gibberella zeae-colonized corn kernels or macro-conidia sprayed on heads at anthesis. With the first inoculation method, disease foci were produced ...

journal_title：Phytopathology

authors： Fernando WG,Paulitz TC,Seaman WL,Dutilleul P,Miller JD

更新日期：1997-04-01 00:00:00

abstract：:ABSTRACT Temperature is a critical factor in plant disease development. As part of a research program to determine how specific environmental variables affect soybean rust, we determined temperature effects on urediniospore germination and germ tube growth of four isolates of Phakopsora pachyrhizi, one each from Brazi...

journal_title：Phytopathology

authors： Bonde MR,Berner DK,Nester SE,Frederick RD

更新日期：2007-08-01 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：:ABSTRACT Strains of Ralstonia solanacearum have been shown to cause bacterial wilt in some, but not all, ecotypes of Arabidopsis thaliana. We demonstrate here that after inoculation of the leaves of resistant ecotype S96 with R. solanacearum strain Ps95 necrosis around the inoculation site rapidly appeared and no furt...

journal_title：Phytopathology

authors： Ho GD,Yang CH

更新日期：1999-08-01 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：:ABSTRACT Since 1991, dramatic changes have occurred in the genetic composition of populations of Phytophthora infestans in the United States. Clonal lineages recently introduced into the United States (US-7 and US-8) are more common now than the previously dominant lineage (US-1). To help determine why these changes o...

journal_title：Phytopathology

authors： Kato M,Mizubuti ES,Goodwin SB,Fry WE

更新日期：1997-09-01 00:00:00

abstract：:Rice sheath blight (ShB), caused by the soilborne pathogen Rhizoctonia solani, annually causes severe losses in yield and quality in many rice production areas worldwide. Jasmine 85 is an indica cultivar that has proven to have a high level of resistance to this pathogen. The objective of this study was to determine t...

journal_title：Phytopathology

authors： Liu G,Jia Y,Correa-Victoria FJ,Prado GA,Yeater KM,McClung A,Correll JC

更新日期：2009-09-01 00:00:00

abstract：:Sphaeropsis sapinea sensu lato is a conifer fungal pathogen that causes shoot blight and stem cankers. Recently, the former S. sapinea has been divided into two species, Diplodia pinea and D. scrobiculata. The aims of the study were to determine the contribution of each species in disease development on red and jack p...

journal_title：Phytopathology

authors： Santamaría O,Smith DR,Stanosz GR

更新日期：2011-03-01 00:00:00

abstract：:ABSTRACT In order to understand the molecular mechanisms underlying transmission of Spiroplasma citri by the leafhopper Circulifer haematoceps, we screened leafhopper proteins as putative S. citri-binding molecules using a spiroplasma overlay assay of protein blots (Far-western assay). Insect proteins were separated b...

journal_title：Phytopathology

authors： Killiny N,Castroviejo M,Saillard C

更新日期：2005-05-01 00:00:00

abstract：:The genetic basis of systemic resistance to bacterial blight disease (blight) of anthurium (Anthurium andraeanum) caused by Xanthomonas axonopodis pv. dieffenbachiae was investigated in progenies of 53 crosses involving 31 parent cultivars using segregation analysis. Inoculation of parents and progenies was achieved b...

journal_title：Phytopathology

authors： Elibox W,Umaharan P

更新日期：2008-04-01 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