Detection of Latent Sphaeropsis sapinea Infections in Austrian Pine Tissues Using Nested-Polymerase Chain Reaction.

abstract：:The importance of sexual recombination in determining fungal population structure cannot be inferred solely from the relative abundance of sexual and asexual spores and reproductive structures. To complement a previously reported study of proportions of Mycosphaerella graminicola ascocarps and pycnidia, we investigate...

journal_title：Phytopathology

authors： Cowger C,Brunner PC,Mundt CC

更新日期：2008-07-01 00:00:00

abstract：:Phytophthora capsici causes significant losses to vegetable production worldwide. Pyrimorph, a new carboxylic acid amide fungicide, has been registered to control P. capsici in China. A mutation (Q1077K) in cellulose synthase 3 has been reported to confer resistance to pyrimorph. In this study, we measured the competi...

journal_title：Phytopathology

authors： Pang Z,Shao J,Hu J,Chen L,Wang Z,Qin Z,Liu X

更新日期：2014-03-01 00:00:00

abstract：:Soybean rust, caused by the fungus Phakopsora pachyrhizi, is an economically important disease of soybean with potential to cause severe epidemics resulting in significant yield losses. Host resistance is one of the management tools to control this disease. This study compared soybean genotypes exhibiting immunity, co...

journal_title：Phytopathology

authors： Vittal R,Paul C,Hill CB,Hartman GL

更新日期：2014-01-01 00:00:00

abstract：:Sweetpotato production in the United States is limited by several postharvest diseases, and one of the most common is Fusarium root rot. Although Fusarium solani is believed to be the primary causal agent of disease, numerous other Fusarium spp. have been reported to infect sweetpotato. However, the diversity of Fusar...

journal_title：Phytopathology

authors： Scruggs AC,Quesada-Ocampo LM

更新日期：2016-08-01 00:00:00

abstract：:ABSTRACT The potential for outcrossing, occurrence of oospores, and inheritance of mefenoxam sensitivity was assessed in naturally occurring populations of Phytophthora capsici. Between 1997 and 1998, 14 farms were sampled, with 473 isolates recovered from cucurbit hosts and 30 from bell pepper. The A1 and A2 compatib...

journal_title：Phytopathology

authors： Lamour KH,Hausbeck MK

更新日期：2000-04-01 00:00:00

abstract：:The deposition of callose is a common plant defense response to intruding pathogens and part of the plant's innate immunity. In this study, eight grapevine callose synthase (CalS) genes were identified and characterized. To investigate biological function of CalS in grapevine against the infection of Plasmopara vitico...

journal_title：Phytopathology

authors： Yu Y,Jiao L,Fu S,Yin L,Zhang Y,Lu J

更新日期：2016-01-01 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 population structure of the grape powdery mildew fungus, Erysiphe necator (formerly Uncinula necator), has been hypothesized to vary from being clonal to highly diverse and recombining. We report here on the structure of an E. necator population sampled during a 4-year period from an isolated vineyard in northern ...

journal_title：Phytopathology

authors： Cortesi P,Pizzatti C,Bertocchi D,Milgroom MG

更新日期：2008-02-01 00:00:00

abstract：:Lysobacter enzymogenes strain C3 (LeC3) is a potential biocontrol agent for plant diseases caused by fungi and oomycetes. Understanding the interaction between LeC3 and soybean pathogens at the molecular level could help improve its biocontrol efficacy. In this study, we obtained mutants with decreased abilities in in...

journal_title：Phytopathology

authors： Yu M,Zhang G,Jiang J,Du L,Zhao Y

更新日期：2020-03-01 00:00:00

abstract：:Avirulence (AVR) genes in Magnaporthe oryzae, the fungal pathogen that causes the devastating rice blast disease, have been documented to be major targets subject to mutations to avoid recognition by resistance (R) genes. In this study, an AVR-gene-based diagnosis tool for determining the virulence spectrum of a rice ...

journal_title：Phytopathology

authors： Selisana SM,Yanoria MJ,Quime B,Chaipanya C,Lu G,Opulencia R,Wang GL,Mitchell T,Correll J,Talbot NJ,Leung H,Zhou B

更新日期：2017-06-01 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：:The analysis of the spatial distribution of plant diseases requires the availability of trustworthy geostatistical methods. The mean distance tests (MDT) are here proposed as a series of permutation and randomization tests to assess the spatial distribution of plant diseases when the variable of phytopathological inte...

journal_title：Phytopathology

authors： Lione G,Gonthier P

更新日期：2016-01-01 00:00:00

abstract：:Tubulins are the proposed target of clinically relevant anticancer drugs, anthelmintic, and fungicide. β2-tubulin of the plant pathogen Fusarium graminearum was considered as the target of benzimidazole compounds by homology modeling in our previous work. In this study, α1-, α2-, and β2-tubulin of F. graminearum were ...

journal_title：Phytopathology

authors： Zhou Y,Xu J,Zhu Y,Duan Y,Zhou M

更新日期：2016-08-01 00:00:00

abstract：:ABSTRACT The possibility that the Ht1 gene or genes tightly linked to Ht1 convey general resistance to races of Exserohilum turcicum that are virulent against Ht1 (i.e., residual resistance) could be useful in sweet corn where the Ht1 gene is present in many commercial hybrids and breeding populations. The objective o...

journal_title：Phytopathology

authors： Campaña A,Pataky JK

更新日期：2005-01-01 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：:Scleromitrula shiraiana causes the popcorn disease in mulberry trees resulting in severe economic losses. Previous studies have shown that melanin may play a vital role in establishing the pathogenicity of fungi. In the present study, we identified the melanin produced in S. shiraiana belongs to DHN melanin by gas chr...

journal_title：Phytopathology

authors： Lǚ Z,Kang X,Xiang Z,He N

更新日期：2017-03-01 00:00:00

abstract：:ABSTRACT Comparison of a sampling of complementary DNA (cDNA) sequences from the Florida citrus tristeza virus (CTV) isolates T3 and T30 to the sequence of the genome of the Israeli isolate VT showed a relatively consistent or symmetrical distribution of nucleotide sequence identity in both the 5' and 3' regions of th...

journal_title：Phytopathology

authors： Hilf ME,Karasev AV,Albiach-Marti MR,Dawson WO,Garnsey SM

更新日期：1999-04-01 00:00:00

abstract：:ABSTRACT Locations of silicon accumulation in rice leaves and its possible association with resistance to rice blast were investigated by electron microscopy and X-ray microanalysis. A blast-susceptible cultivar, Jinmi, and a partially resistant cultivar, Hwaseong, were grown under a hydroponic culture system with mod...

journal_title：Phytopathology

authors： Kim SG,Kim KW,Park EW,Choi D

更新日期：2002-10-01 00:00:00

abstract：:ABSTRACT The effects of salicylic acid (SA) and 1-aminocyclopropane-1-carboxylic acid (ACC) on the systemic development of symptoms induced by a severe isolate of Potato virus Y group N:O (PVY(N:O)) in tobacco were investigated. Upon inoculation, the systemic development of symptoms in tobacco plants could be divided ...

journal_title：Phytopathology

authors： Nie X

更新日期：2006-03-01 00:00:00

abstract：:The online community resource Phytophthora database (PD) was developed to support accurate and rapid identification of Phytophthora and to help characterize and catalog the diversity and evolutionary relationships within the genus. Since its release in 2008, the sequence database has grown to cover 1 to 12 loci for ≈2...

journal_title：Phytopathology

authors： Park B,Martin F,Geiser DM,Kim HS,Mansfield MA,Nikolaeva E,Park SY,Coffey MD,Russo J,Kim SH,Balci Y,Abad G,Burgess T,Grünwald NJ,Cheong K,Choi J,Lee YH,Kang S

更新日期：2013-12-01 00:00:00

abstract：:ABSTRACT One susceptible and two resistant cultivars of tomato were tested for differences in infection by Ralstonia solanacearum and for the subsequent multiplication, colonization, and production of the wilt-inducing virulence factor, exopolysaccharide I (EPS I). Bacterial ingress into the taproot was fastest in the...

journal_title：Phytopathology

authors： McGarvey JA,Denny TP,Schell MA

更新日期：1999-12-01 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：: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 The effects of take-all epidemics on winter wheat yield formation were determined, and disease-yield relationships were established to assess the agronomic efficacy and economic benefits of control methods. Epidemics were generated in naturally infested fields by varying cropping season, crop order in the rot...

journal_title：Phytopathology

authors： Schoeny A,Jeuffroy MH,Lucas P

更新日期：2001-07-01 00:00:00

abstract：:ABSTRACT Long-distance dispersal of spores generally presents anisotropy. This anisotropy can appear in the mean number of spores deposited along a given direction (anisotropy in density) and in the mean distance that a spore travels in a given direction (anisotropy in distance). Specific experiments together with a s...

journal_title：Phytopathology

authors： Soubeyrand S,Enjalbert J,Sanchez A,Sache I

更新日期：2007-10-01 00:00:00

abstract：:Xanthomonads were detected by using the Xan-D(CCF) medium from the brassica seeds, and their pathogenicity was determined by plant inoculation tests. It was found that some seed lots were infested with Xanthomonas campestris pv. campestris, some with X. campestris pv. raphani, and some with nonpathogenic xanthomonads....

journal_title：Phytopathology

authors： Lee YA,Yang PY,Huang SC

更新日期：2020-05-01 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：:Fig mosaic occurs worldwide and is the most common and important viral disease of fig. In the quest to identify the causal agent of the disease, several new viruses have been identified, including a new DNA virus, the subject of this communication. Phylogenetic analysis placed the virus, provisionally named Fig badnav...

journal_title：Phytopathology

authors： Laney AG,Hassan M,Tzanetakis IE

更新日期：2012-12-01 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：:Understanding pathogen evolution over time is vital for plant breeding and deployment of host resistance. In the context of a soilborne pathogen, the potential of host-directed evolution of a Verticillium dahliae race 1 isolate and genotypic variation of V. dahliae associated with two major hosts (lettuce and tomato) ...

journal_title：Phytopathology

authors： Puri KD,Gurung S,Short DPG,Atallah ZK,Sandoya G,Davis RM,Hayes RJ,Subbarao KV

更新日期：2017-11-01 00:00:00