Relationships among resistances to fusarium and Aspergillus ear rots and contamination by fumonisin and aflatoxin in maize.

abstract：:In this study, spatial analyses were conducted at three different scales to better understand the epidemiology of rice blast, a major rice disease caused by Magnaporthe oryzae. At the regional scale, across the major rice production regions in China, rice blast incidence was monitored on 101 dates at 193 stations from...

journal_title：Phytopathology

authors： Guo F,Chen X,Lu M,Yang L,Wang S,Wu BM

更新日期：2018-11-01 00:00:00

abstract：:ABSTRACT Genes for copper resistance, located on the chromosome of strain XvP26 of Xanthomonas axonopodis pv. vesicatoria, were transferred by conjugation to a recipient strain of the bacterium. The chromosomal gene transfer was verified by analyses of the genomes of donor, recipient, and putative transconjugants for ...

journal_title：Phytopathology

authors： Basim H,Stall RE,Minsavage GV,Jones JB

更新日期：1999-11-01 00:00:00

abstract：:ABSTRACT Relationships between disease incidence measured at two levels in a spatial hierarchy are derived. These relationships are based on the properties of the binomial distribution, the beta-binomial distribution, and an empirical power-law relationship that relates observed variance to theoretical binomial varian...

journal_title：Phytopathology

authors： Hughes G,McRoberts N,Madden LV,Gottwald TR

更新日期：1997-05-01 00:00:00

abstract：:The obligate biotrophic chytrid species Synchytrium endobioticum is the causal agent of potato wart disease. Currently, 39 pathotypes have been described based on their interaction with a differential set of potato varieties. Wart resistance and pathotyping is performed using bioassays in which etiolated tuber sprouts...

journal_title：Phytopathology

authors： van de Vossenberg BTLH,van Gent-Pelzer MPE,Boerma M,van der Gouw LP,van der Lee TAJ,Vossen JH

更新日期：2019-06-01 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 Lasiodiplodia theobromae genome encodes numerous glycoside hydrolases involved in organic matter degradation and conducive to pathogen infection, whereas their molecular mechanisms are still largely unknown. Here, we identified the glycoside hydrolase family 28 endopolygalacturonase LtEPG1 in L. theobromae and cha...

journal_title：Phytopathology

authors： Thilini Chethana KW,Peng J,Li X,Xing Q,Liu M,Zhang W,Hyde KD,Zhao W,Yan J

更新日期：2020-10-01 00:00:00

abstract：:Vitis rupestris B38 is a North American grapevine resistant to the major pathogen of cultivated grapevines, Erysiphe necator. Sources of powdery mildew resistance, like V. rotundifolia, are widely used in grape breeding but are already threatened, even before commercialization, by isolates that can reproduce on Run1 a...

journal_title：Phytopathology

authors： Barba P,Cadle-Davidson L,Galarneau E,Reisch B

更新日期：2015-08-01 00:00:00

abstract：:ABSTRACT Relationships between environmental factors and release of ascospores of Anisogramma anomala, the causal agent of eastern filbert blight, were examined in four European hazelnut (Corylus avellana) orchards during a 2-year period. In each orchard, Burkhard volumetric spore traps and automated weather-monitorin...

journal_title：Phytopathology

authors： Pinkerton JN,Johnson KB,Stone JK,Ivors KL

更新日期：1998-02-01 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：:Fish emulsion (FE) added to a sandy-loam soil at 1 and 2% rates reduced the viability of Verticillium dahliae microsclerotia by 39 and 74% in 1 day, 87 and 98% in 3 days, and 95 and 99% in 6 days, respectively. The immediate kill of microsclerotia indicated that FE contains toxic substances. We found in FE high concen...

journal_title：Phytopathology

authors： Abbasi PA,Lazarovits G,Jabaji-Hare S

更新日期：2009-03-01 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 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：:Plants have developed complex defense mechanisms to protect themselves against pathogens. A wide-host-range fungus, Austropuccinia psidii, which has caused severe damage to ecosystems and plantations worldwide, is a major threat to Australian ecosystems dominated by members of the family Myrtaceae. In particular, the ...

journal_title：Phytopathology

authors： Hsieh JF,Chuah A,Patel HR,Sandhu KS,Foley WJ,Külheim C

更新日期：2018-04-01 00:00:00

abstract：:Zucchini squash is host to Cucurbit yellow stunting disorder virus (CYSDV), a member of the genus Crinivirus, and Cucumber vein yellowing virus (CVYV), a member of the genus Ipomovirus, both transmitted by the whitefly Bemisia tabaci. Field observations suggest the appearance of new symptoms observed on leaves of zucc...

journal_title：Phytopathology

authors： Gil-Salas FM,Peters J,Boonham N,Cuadrado IM,Janssen D

更新日期：2011-11-01 00:00:00

abstract：:ABSTRACT The population structure of Guignardia citricarpa sensu lato (anamorph: Phyllosticta citricarpa), a fungus of which strains pathogenic to citrus are subject to phytosanitary legislation in the European Union and the United States, was investigated. Internal transcribed spacer sequences revealed two phylogenet...

journal_title：Phytopathology

authors： Baayen RP,Bonants PJ,Verkley G,Carroll GC,van der Aa HA,de Weerdt M,van Brouwershaven IR,Schutte GC,Maccheroni W,de Blanco CG,Azevedo JL

更新日期：2002-05-01 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：:Wheat powdery mildew is a disease of global importance that occurs across a wide geographic area in the United States. A virulence survey of Blumeria graminis f. sp. tritici, the causal agent, was conducted by sampling 36 wheat fields in 15 U.S. states in the years 2013 and 2014. Using a hierarchical sampling protocol...

journal_title：Phytopathology

authors： Cowger C,Mehra L,Arellano C,Meyers E,Murphy JP

更新日期：2018-03-01 00:00:00

abstract：:Phytophthora species are destructive fungus-like plant pathogens that use asexual single-celled flagellate zoospores for dispersal and plant infection. Many of the zoospore behaviors are density-dependent although the underlying mechanisms are poorly understood. Here, we use P. nicotianae as a model and demonstrate au...

journal_title：Phytopathology

authors： Kong P,Hong C

更新日期：2010-07-01 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：: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：:Squash leaf curl virus (SLCV) and Watermelon chlorotic stunt virus (WmCSV) are cucurbit-infecting bipartite begomoviruses. Both viruses are found in the eastern Mediterranean basin but the effects of dual infection of both viruses on melon (Cucumis melo L.) have not been described. 'Arava' melon plants were inoculated...

journal_title：Phytopathology

authors： Sufrin-Ringwald T,Lapidot M

更新日期：2011-02-01 00:00:00

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：:ABSTRACT Fifty-one isolates representing the four Botrytis spp. associated with onion neck rot were clustered by unweighted pair group method with arithmetic mean based on universal-primed polymerase chain reaction (UP-PCR) fingerprints. Bootstrap analysis of the consensus phenogram clearly demonstrated five strong cl...

journal_title：Phytopathology

authors： Nielsen K,Justesen AF,Jensen DF,Yohalem DS

更新日期：2001-06-01 00:00:00

abstract：:ABSTRACT Double-stranded RNA (dsRNA) was purified from grapevines infected with grapevine leafroll-associated viruses 4 (GLRaV-4) and 5 (GLRaV-5), two putative closteroviruses. Reverse-transcriptase polymerase chain reaction (RT-PCR) was performed on this dsRNA using degenerate oligonucleotides designed to amplify an ...

journal_title：Phytopathology

authors： Routh G,Zhang YP,Saldarelli P,Rowhani A

更新日期：1998-11-01 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：:The recent rapid emergence of maize lethal necrosis (MLN), caused by coinfection of maize with Maize chlorotic mottle virus (MCMV) and a second virus usually from the family Potyviridae, is causing extensive losses for farmers in East Africa, Southeast Asia, and South America. Although the genetic basis of resistance ...

journal_title：Phytopathology

authors： Jones MW,Penning BW,Jamann TM,Glaubitz JC,Romay C,Buckler ES,Redinbaugh MG

更新日期：2018-06-01 00:00:00

abstract：:ABSTRACT Calla lily chlorotic spot virus (CCSV) isolated from central Taiwan was recently identified as a tospovirus serologically but distantly related to Watermelon silver mottle virus (WSMoV). To clarify the serological relationship between the two viruses, rabbit polyclonal antibody (PAb) to CCSV and mouse monoclo...

journal_title：Phytopathology

authors： Lin YH,Chen TC,Hsu HT,Liu FL,Chu FH,Chen CC,Lin YZ,Yeh SD

更新日期：2005-12-01 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：: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 Isolates of Colletotrichum spp. from almond, avocado, and strawberry from Israel and isolates of the pink subpopulation from almond from the United States were characterized by various molecular methods and compared with morphological identification. Taxon-specific primer analysis grouped the avocado isolates...

journal_title：Phytopathology

authors： Freeman S,Minz D,Jurkevitch E,Maymon M,Shabi E

更新日期：2000-06-01 00:00:00