Validation of consensus quantitative trait loci associated with resistance to multiple foliar pathogens of maize.

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：:ABSTRACT The use of host diversity as a tool for management of potato late blight has not been viewed as promising in the past. But the increasing importance of late blight internationally has brought new consideration to all potential management tools. We studied the effect of host diversity on epidemics of potato la...

journal_title：Phytopathology

authors： Garrett KA,Mundt CC

更新日期：2000-12-01 00:00:00

abstract：:ABSTRACT A total of 126 field studies reporting deoxynivalenol (DON; ppm) content of harvested wheat grain and Fusarium head blight index (IND; field or plot-level disease severity) were analyzed to determine the overall mean regression slope and intercept for the relationship between DON and IND, and the influence of...

journal_title：Phytopathology

authors： Paul PA,Lipps PE,Madden LV

更新日期：2006-09-01 00:00:00

abstract：:Previously, oscillations in beet seedling damping-off by Pythium ultimum, measured as area under the disease progress curve (AUDPC), were demonstrated after incorporation of organic materials into organic and conventional soils. These periodic fluctuations of P. ultimum infections were cross-correlated with oscillatio...

journal_title：Phytopathology

authors： He M,Tian G,Semenov AM,van Bruggen AH

更新日期：2012-04-01 00:00:00

abstract：:A well-studied severe isolate of Citrus tristeza virus (CTV) known as SY568 has previously been shown to contain multiple variants of the virus which differ in their genetic and biological characters. Aphid transmission was used in an attempt to segregate some of these variants for further characterization. Resulting ...

journal_title：Phytopathology

authors： Velazquez-Monreal JJ,Mathews DM,Dodds JA

更新日期：2009-10-01 00:00:00

abstract：:ABSTRACT In the rice blast fungus pathosystem, cerebroside, a compound categorized as a sphingolipid, was found in our previous study to be a non-racespecific elicitor, which elicits defense responses in rice. Here we describe that cerebroside C is produced in diverse strains of Fusarium oxysporum, a common soilborne ...

journal_title：Phytopathology

authors： Umemura K,Tanino S,Nagatsuka T,Koga J,Iwata M,Nagashima K,Amemiya Y

更新日期：2004-08-01 00:00:00

abstract：:ABSTRACT Three similar isolates of Phytophthora (Phytophthora sp-h) were obtained from diseased Spathiphyllum and Primula plants. Cultural characteristics did not fit any known description of Phytophthora species. The Phytophthora sp-h isolates are papillate, are homothallic, possess 80 to 86% amphigynous antheridia, ...

journal_title：Phytopathology

authors： Man In 't Veld WA,Veenbaas-Rijks WJ,Ilieva E,de Cock AW,Bonants PJ,Pieters R

更新日期：1998-09-01 00:00:00

abstract：:G-negative bacteria produce myriad N-acyl-homoserine lactones (AHLs) that can function as quorum sensing (QS) signaling molecules. AHLs are also known to regulate various plant biological activities. p-Coumaroyl-homoserine lactone (pC-HSL) is the only QS molecule produced by a photosynthetic bacterium, Rhodopseudomona...

journal_title：Phytopathology

authors： Du X,Huang R,Zhang Z,Zhang D,Cheng JE,Tian P,Wang Y,Zhai Z,Chen L,Kong X,Liu Y,Su P

更新日期：2020-09-02 00:00:00

abstract：:The vacuolar H+-ATPases (V-ATPases) are conserved ATP-dependent proton pumps that acidify intracellular compartments in eukaryotic cells. The role of Cpvma1, a V-ATPase catalytic subunit A of Cryphonectria parasitica, was investigated by generating cpvma1-overexpressing and cpvma1-silenced strains. The mutant strains ...

journal_title：Phytopathology

authors： Li R,Bai S,He Y,Chen Q,Yao Y,Wang J,Chen B

更新日期：2019-08-01 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：: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：:Rice blast is one of the most damaging diseases of rice worldwide. In the present study, we analyzed DNA sequence variation of avirulence (AVR) genes of AVR-Pita1 in field isolates of Magnaporthe oryzae in order to understand the effectiveness of the resistance gene Pi-ta in China. Genomic DNA of 366 isolates of M. or...

journal_title：Phytopathology

authors： Li J,Lu L,Jia Y,Li C

更新日期：2014-07-01 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：:Tobacco mosaic virus (TMV) is an extensively studied RNA virus known to infect tobacco (Nicotiana tabacum) and other solanaceous crops. TMV has been classified as a seedborne virus in tobacco, with infection of developing seedlings thought to occur from contact with the TMV-infected seed coat. The mechanism of TMV tra...

journal_title：Phytopathology

authors： Ellis MD,Hoak JM,Ellis BW,Brown JA,Sit TL,Wilkinson CA,Reed TD,Welbaum GE

更新日期：2020-01-01 00:00:00

abstract：:The distinguished intracellular stylet puncture called phloem-pd (potential drop [pd]) produced by Myzus persicae has been associated with the transmission of the semipersistently transmitted, phloem-limited Beet yellows virus (BYV, Closterovirus). However, the production of intracellular punctures in phloem cells (ph...

journal_title：Phytopathology

authors： Jiménez J,Arias-Martín M,Moreno A,Garzo E,Fereres A

更新日期：2020-01-01 00:00:00

abstract：:ABSTRACT Selected isolates of Cladosporium tenuissimum were tested for their ability to inhibit in vitro aeciospore germination of the two-needle pine stem rusts Cronartium flaccidum and Peridermium pini and to suppress disease development in planta. The antagonistic fungus displayed a number of disease-suppressive me...

journal_title：Phytopathology

authors： Moricca S,Ragazzi A,Mitchelson KR,Assante G

更新日期：2001-05-01 00:00:00

abstract：:Potato genotypes from a breeding population adapted to tropical highlands were analyzed for the stability of late blight resistance and also for marker-phenotype association. We harmonized the historical evaluation data, consisting of observations spanning 6 years from two field sites utilizing a resistance scale cons...

journal_title：Phytopathology

authors： Lindqvist-Kreuze H,Gastelo M,Perez W,Forbes GA,de Koeyer D,Bonierbale M

更新日期：2014-06-01 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 Leptosphaeria maculans causes blackleg of oilseed rape. Gene-for-gene interactions between race PG3 and Brassica napus cv. Quinta were related to interaction between the fungal avirulence (Avr) gene AvrLm1 and the corresponding resistance gene Rlm1. AvrLm1 isolates were aviru-lent on cvs. Doublol, Vivol, Colu...

journal_title：Phytopathology

authors： Balesdent MH,Attard A,Ansan-Melayah D,Delourme R,Renard M,Rouxel T

更新日期：2001-01-01 00:00:00

abstract：:Western X (WX) disease, caused by 'Candidatus Phytoplasma pruni', is a devastating disease of sweet cherry resulting in the production of small, bitter-flavored fruits that are unmarketable. Escalation of WX disease in Washington State prompted the development of a rapid detection assay based on recombinase polymerase...

journal_title：Phytopathology

authors： Villamor DEV,Eastwell KC

更新日期：2019-06-01 00:00:00

abstract：:Rhizoctonia solani is a highly destructive necrotrophic fungal pathogen having a diverse host range, including rice and tomato. Previously R. solani infection in rice has been found to cause large-scale readjustment in host primary metabolism and accumulation of various stress associated metabolites such as gamma amin...

journal_title：Phytopathology

authors： Rani M,Jha G

更新日期：2020-12-15 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：:Stem nematode (Ditylenchus destructor) is one of most serious diseases that limit the productivity and quality of sweet potato (Ipomoea batatas), a root crop with worldwide importance for food security and nutrition improvement. Hence, there is a global demand for developing sweet potato varieties that are resistant t...

journal_title：Phytopathology

authors： Fan W,Wei Z,Zhang M,Ma P,Liu G,Zheng J,Guo X,Zhang P

更新日期：2015-11-01 00:00:00

abstract：:ABSTRACT A genetic map including three avirulence (Avr) genes, AvrPik, AvrPiz, and AvrPiz-t, was constructed in a genetic cross of two rice field isolates, 84R-62B and Y93-245c-2. The chromosomal locations of the Avr genes were determined by using selected markers to probe Southern blots of the parental chromosomes th...

journal_title：Phytopathology

authors： Luo CX,Yin LF,Koyanagi S,Farman ML,Kusaba M,Yaegashi H

更新日期：2005-06-01 00:00:00

abstract：:ABSTRACT A series of samples were taken from mulched and unmulched trees starting at the surface of mulch or soil to a 15 cm soil depth, forming a vertical transect. Saprophytic fungi isolated from the soil samples on rose bengal medium and surveyed visually were most abundant in mulches and at the interface of mulch ...

journal_title：Phytopathology

authors： Downer AJ,Menge JA,Pond E

更新日期：2001-09-01 00:00:00

abstract：:ABSTRACT Liquid swine manure added to acidic soils killed microsclerotia of the wilt fungus Verticillium dahliae. We investigated whether volatile fatty acids (VFAs) in the manure were responsible for this toxicity. The survival of microsclerotia was determined after exposure to various dilutions of manure or its VFA ...

journal_title：Phytopathology

authors： Tenuta M,Conn KL,Lazarovits G

更新日期：2002-05-01 00:00:00

abstract：:The fungus Rhizoctonia oryzae-sativae is an important pathogen that causes the aggregated sheath spot disease on rice. In this study, we investigated the genetic structure of rice-adapted populations of R. oryzae-sativae sampled from traditional rice-cropping areas from the Paraíba Valley, São Paulo, Brazil, and from ...

journal_title：Phytopathology

authors： Pereira DA,Ceresini PC,Castroagudín VL,Ramos-Molina LM,Chavarro-Mesa E,Negrisoli MM,Campos SN,Pegolo ME,Takada HM

更新日期：2017-01-01 00:00:00

abstract：:ABSTRACT Alternative control agents, including UV-type C (254 nm) irradiation, yeasts antagonistic to fungal growth, chitosan and harpin, were evaluated for their ability to induce resistance in cv. Red Delicious apple fruit against postharvest blue mold caused by Penicillium expansum. Freshly harvested and controlled...

journal_title：Phytopathology

authors： de Capdeville G,Wilson CL,Beer SV,Aist JR

更新日期：2002-08-01 00:00:00

abstract：:Effects of the root-knot nematode Meloidogyne incognita and the fungal pathogen Thielaviopsis basicola on cotton seedling growth and root morphology were evaluated in controlled environmental experiments. Four pathogen treatments, including noninfested soil, soil infested with M. incognita, soil infested with T. basic...

journal_title：Phytopathology

authors： Ma J,Jaraba J,Kirkpatrick TL,Rothrock CS

更新日期：2014-05-01 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