Bacteriocin-Like Substances from Tomato Race 3 Strains of Xanthomonas campestris pv. vesicatoria.

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 Bean calico mosaic virus (BCMoV), a whitefly-transmitted geminivirus from Sonora, Mexico, was purified, and the genome components were cloned and sequenced. Purified viral fractions and cloned genome components were infectious by biolistic inoculation to bean, completing Koch's postulates for both. The B biot...

journal_title：Phytopathology

authors： Brown JK,Ostrow KM,Idris AM,Stenger DC

更新日期：1999-04-01 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：:Moroccan watermelon mosaic virus (MWMV) represents an emerging threat to cucurbit production in the Mediterranean Basin. We sequenced the near complete genome of MWMV-SQ10_1.1, a cloned Spanish isolate. MWMV-SQ10_1.1 has the typical potyvirus genomic structure, and phylogenetic analysis showed that it shared a common ...

journal_title：Phytopathology

authors： Miras M,Juárez M,Aranda MA

更新日期：2019-05-01 00:00:00

abstract：:ABSTRACT None of the chemical alternatives currently registered and available has the full spectrum of activity and versatility of methyl bromide as a pre-plant soil fumigant. Chloropicrin and 1,3-dichloropropene (Telone) can provide significant control of many plant pathogens in soil and growth stimulation in annual ...

journal_title：Phytopathology

authors： Duniway JM

更新日期：2002-12-01 00:00:00

abstract：:ABSTRACT A fungivorous nematode, Aphelenchoides sp., was isolated from field soil by baiting with mycelium of the biocontrol fungus Trichoderma harzianum ThzID1, and subsequently was maintained on agar cultures of the fungus. Interactions between the nematode and the green fluorescent protein-producing transformant, T...

journal_title：Phytopathology

authors： Bae YS,Knudsen GR

更新日期：2001-03-01 00:00:00

abstract：:A collection of 565 isolates of Verticillium dahliae, recovered between 1992 and 1997 from 13 host plant species and soil at 47 sites in Israel, was tested for vegetative compatibility using nitrate-nonutilizing (nit) mutants. Three vegetative compatibility groups (VCGs) were found and identified as VCG2A (28 isolates...

journal_title：Phytopathology

authors： Korolev N,Katan J,Katan T

更新日期：2000-05-01 00:00:00

abstract：:ABSTRACT A new foliar disease on coffee leaves was observed in Mindanao, Philippines, in 1996. The symptoms appeared as large circular or irregularly shaped necrotic areas with small circular necrotic spots (1 mm or less in diameter) usually found around the periphery of the large necrotic areas. Rhizoctonia solani wa...

journal_title：Phytopathology

authors： Priyatmojo A,Escopalao VE,Tangonan NG,Pascual CB,Suga H,Kageyama K,Hyakumachi M

更新日期：2001-11-01 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：:Yellows diseases, caused by phytopathogenic bacteria of the genus Phytoplasma, are a major threat to grapevines worldwide. Because conventional applications against this pathogen are inefficient and disease management is highly challenging, the use of beneficial bacteria has been suggested as a biocontrol solution. A ...

journal_title：Phytopathology

authors： Iasur-Kruh L,Zahavi T,Barkai R,Freilich S,Zchori-Fein E,Naor V

更新日期：2018-03-01 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：:Wheat landrace PI 177906 has seedling resistance to stem rust caused by Puccinia graminis f. sp. tritici races TTKSK, TTKST, and BCCBC and field resistance to the Ug99 race group. Parents, 140 recombinant inbred lines, and 138 double haploid (DH) lines were evaluated for seedling resistance to races TTKSK and BCCBC. P...

journal_title：Phytopathology

authors： Babiker EM,Gordon TC,Chao S,Rouse MN,Wanyera R,Acevedo M,Brown-Guedira G,Bonman JM

更新日期：2017-02-01 00:00:00

abstract：:To assess the diversity of Xanthomonas campestris spp. infecting crucifers in New York, 154 isolates were collected over 10 years across the state. The goal was to determine if isolates of the pathogen were overwintering in New York and serving as primary inoculum in subsequent years, or if novel isolates were enterin...

journal_title：Phytopathology

authors： Lange HW,Tancos MA,Carlson MO,Smart CD

更新日期：2016-02-01 00:00:00

abstract：:The study of the transmission biology of insect-borne plant viruses is important to develop disease control practices. We characterized the transmission of a nanovirus, Banana bunchy top virus (BBTV), by its aphid vector Pentalonia nigronervosa Coquerel (Hemiptera, Aphididae) with respect to temperature, vector life s...

journal_title：Phytopathology

authors： Anhalt MD,Almeida RP

更新日期：2008-06-01 00:00:00

abstract：:Scientific communication is facilitated by a data-driven, scientifically sound taxonomy that considers the end-user's needs and established successful practice. Previously (Geiser et al. 2013; Phytopathology 103:400-408. 2013), the Fusarium community voiced near unanimous support for a concept of Fusarium that represe...

journal_title：Phytopathology

authors： Geiser DM,Al-Hatmi A,Aoki T,Arie T,Balmas V,Barnes I,Bergstrom GC,Bhattacharyya MKK,Blomquist CL,Bowden R,Brankovics B,Brown DW,Burgess LW,Bushley K,Busman M,Cano-Lira JF,Carrillo JD,Chang HX,Chen CY,Chen W,Chilve

更新日期：2020-11-17 00:00:00

abstract：:Cyclophilins (EC 5.2.1.8) belong to a subgroup of proteins known as immunophilins, which also include FK506-binding proteins and parvulins. Members of the immunophilins have two main characteristic properties: (i) peptidyl-prolyl cis-trans isomerase activity and (ii) the ability to bind immunosuppressant molecules of ...

journal_title：Phytopathology

authors： Singh K,Winter M,Zouhar M,Ryšánek P

更新日期：2018-01-01 00:00:00

abstract：:Citrus is an economically important fruit crop that is severely afflicted by Asiatic citrus bacterial canker (CBC), a disease caused by the phytopathogen Xanthomonas citri subsp. citri (X. citri). To gain insight into the molecular epidemiology of CBC, 42 Xanthomonas isolates were collected from a range of Citrus spp....

journal_title：Phytopathology

authors： Chiesa MA,Siciliano MF,Ornella L,Roeschlin RA,Favaro MA,Delgado NP,Sendín LN,Orce IG,Ploper LD,Vojnov AA,Vacas JG,Filippone MP,Castagnaro AP,Marano MR

更新日期：2013-06-01 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

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：:ABSTRACT During formation of appressoria produced from conidia and ascospores of Venturia inaequalis, a dark brown ring structure was detected at the base of appressoria. This melanized appressorial ring structure (MARS) was attached to the leaf surface like a sealing ring and formed the fungus-plant interface; it is ...

journal_title：Phytopathology

authors： Steiner U,Oerke EC

更新日期：2007-10-01 00:00:00

abstract：:ABSTRACT Twenty-one strains of Botrytis cinerea isolated from 13 species of plants grown in China were compared for pathogenicity on Brassica napus, mycelial growth on potato dextrose agar, and presence of double-stranded (ds)RNA. The results showed that the strain CanBc-1 was severely debilitated in pathogenicity and...

journal_title：Phytopathology

authors： Wu MD,Zhang L,Li GQ,Jiang DH,Hou MS,Huang HC

更新日期：2007-12-01 00:00:00

abstract：:ABSTRACT This study was conducted to identify the species of Colletotrichum infecting tamarillo, mango, and passiflora in Colombia and to assess whether cross-infection between host species is occurring. Isolates of Colletotrichum spp. from tamarillo (n = 54), passiflora (n = 26), and mango (n = 15) were characterized...

journal_title：Phytopathology

authors： Afanador-Kafuri L,Minz D,Maymon M,Freeman S

更新日期：2003-05-01 00:00:00

abstract：:ABSTRACT Two biocontrol agents, a yeast (Pichia guilermondii) and a bacterium (Bacillus mycoides), were tested separately and together for suppression of Botrytis cinerea on strawberry leaves. The aims of the research were to determine whether the use of their combination would broaden the environmental conditions und...

journal_title：Phytopathology

authors： Guetsky R,Shtienberg D,Elad Y,Dinoor A

更新日期：2001-07-01 00:00:00

abstract：:ABSTRACT Monoconidial isolates of Venturia inaequalis were collected in 1990 and 1991 from orchards in New York, Michigan, and Nova Scotia that had never or only sporadically been treated with fungicides acting as sterol demethylation inhibitors (DMIs). Sensitivities of isolates to two representative DMIs (fenarimol a...

journal_title：Phytopathology

authors： Köller W,Wilcox WF,Barnard J,Jones AL,Braun PG

更新日期：1997-02-01 00:00:00

abstract：:ABSTRACT Mycosphaerella citri, the cause of citrus greasy spot, produces pseudothecia and ascospores in decomposing leaf litter on the grove floor. In laboratory studies, the effect of wetting and drying and temperature on the formation, maturation, and production of pseudothecia and ascospores was evaluated on mature...

journal_title：Phytopathology

authors： Mondal SN,Timmer LW

更新日期：2002-12-01 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：:ABSTRACT A 3.3-kb fragment of genomic DNA from bacteriophage Phi-Ea1h encoding an amylovoran-directed depolymerase lyase was sequenced, and three open reading frames (ORFs) were detected. The first ORF could encode a lysozyme and the second a holin that may form a pore supporting cell lysis by the lysozyme. The third ...

journal_title：Phytopathology

authors： Kim WS,Geider K

更新日期：2000-11-01 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 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 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