Chromosomal Gene Transfer by Conjugation in the Plant Pathogen Xanthomonas axonopodis pv. vesicatoria.

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：:The induction of plant defense mechanisms by resistance inducers is an attractive and innovative alternative to reduce the use of fungicides on wheat against Zymoseptoria tritici, the responsible agent of Septoria tritici blotch (STB). Under controlled conditions, we investigated the resistance induction in three whea...

journal_title：Phytopathology

authors： Ors M,Randoux B,Siah A,Couleaud G,Maumené C,Sahmer K,Reignault P,Halama P,Selim S

更新日期：2019-12-01 00:00:00

abstract：:A weather-based disease prediction model for bacterial canker of kiwifruit (known worldwide as Psa; Pseudomonas syringae pv. actinidiae biovar 3) was developed using a new mechanistic scheme for bacterial disease forecasters, the multiplication and dispersal concept. Bacterial multiplication is estimated from a temper...

journal_title：Phytopathology

authors： Beresford RM,Tyson JL,Henshall WR

更新日期：2017-02-01 00:00:00

abstract：:ABSTRACT Tomato race 3 (T3) strains of Xanthomonas campestris pv. vesicatoria are antagonistic in vitro to tomato race 1 (T1) strains of the bacterium. All T1 strains and 11 strains of other X. campestris pathovars tested were inhibited by T3 strains. Sensitivity of tomato race 2 (T2) strains was variable. No strains ...

journal_title：Phytopathology

authors： Tudor-Nelson SM,Minsavage GV,Stall RE,Jones JB

更新日期：2003-11-01 00:00:00

abstract：:Resistance genes are a major tool for managing crop diseases. The networks of crop breeders who exchange resistance genes and deploy them in varieties help to determine the global landscape of resistance and epidemics, an important system for maintaining food security. These networks function as a complex adaptive sys...

journal_title：Phytopathology

authors： Garrett KA,Andersen KF,Asche F,Bowden RL,Forbes GA,Kulakow PA,Zhou B

更新日期：2017-10-01 00:00:00

abstract：:ABSTRACT Barley has two flowering types, chasmogamous (open-flowering) and cleistogamous (closed-flowering). We examined the effect of the timing of Fusarium graminearum infection on Fusarium head blight (FHB) and mycotoxin accumulation in barley cultivars with different flowering types using greenhouse experiments. I...

journal_title：Phytopathology

authors： Yoshida M,Kawada N,Nakajima T

更新日期：2007-09-01 00:00:00

abstract：:Boerhavia erecta plants in and around agricultural fields in the Azua Valley of the southeastern Dominican Republic often show striking golden mosaic symptoms. Leaf samples from B. erecta plants showing these symptoms were collected in 2012 and 2013, and PCR tests with degenerate primers revealed begomovirus DNA-A and...

journal_title：Phytopathology

authors： Melgarejo TA,Rojas MR,Gilbertson RL

更新日期：2019-08-01 00:00:00

abstract：:Xylella fastidiosa infects a wide range of plant hosts and causes Pierce's disease (PD) of grapevines. The type 1 multidrug resistance (MDR) efflux system is essential for pathogenicity and survival of bacterial pathogens in planta. X. fastidiosa, with a single MDR system, is significantly more vulnerable to inhibitio...

journal_title：Phytopathology

authors： Zhang S,Jain M,Fleites LA,Rayside PA,Gabriel DW

更新日期：2019-02-01 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：:Current methods to quantitatively assess fungicide sensitivity for a diverse range of oomycetes are slow and labor intensive. Microtiter-based assays can be used to increase throughput. However, many factors can affect their quality and reproducibility. Therefore, efficient and reliable methods for detection of assay ...

journal_title：Phytopathology

authors： Noel ZA,Rojas AJ,Jacobs JL,Chilvers MI

更新日期：2019-09-01 00:00:00

abstract：:Monilinia fructicola is a fungal pathogen of worldwide significance that causes brown rot of stone fruits. There are only few reports related to the production of biologically active polyketides by this pathogen. In this study, we examined an atypical M. fructicola strain TW5-4 that shows strong antimicrobial activity...

journal_title：Phytopathology

authors： Yu FY,Chiu CM,Lee YZ,Lee SJ,Chou CM,You BJ,Hsieh DK,Lee MR,Lee MH,Bostock RM

更新日期：2020-08-01 00:00:00

abstract：:A study was designed to screen individual strains of plant growth-promoting rhizobacteria (PGPR) for broad-spectrum disease suppression in vitro and in planta. In a preliminary screen, 28 of 196 strains inhibited eight different tested pathogens in vitro. In a secondary screen, these 28 strains showed broad spectrum a...

journal_title：Phytopathology

authors： Liu K,Newman M,McInroy JA,Hu CH,Kloepper JW

更新日期：2017-08-01 00:00:00

abstract：:Xylella fastidiosa releases outer membrane vesicles (OMVs) known to play a role in the systemic dissemination of this pathogen. OMVs inhibit bacterial attachment to xylem wall and traffic lipases/esterases that act on the degradation of plant cell wall. Here, we extended the characterization of X. fastidiosa OMVs by i...

journal_title：Phytopathology

authors： Feitosa-Junior OR,Stefanello E,Zaini PA,Nascimento R,Pierry PM,Dandekar AM,Lindow SE,da Silva AM

更新日期：2019-08-01 00:00:00

abstract：:ABSTRACT Citrus bacterial canker disease has been introduced at least three times into Florida in the last 15 years and, despite federal and state quarantine and eradication efforts, continues to spread in Florida. Accurate, fast, and reliable detection of the causal agent is of great importance. However, citrus bacte...

journal_title：Phytopathology

authors： Mavrodieva V,Levy L,Gabriel DW

更新日期：2004-01-01 00:00:00

abstract：:Leaf rust, caused by Puccinia triticina, is one of the main fungal diseases limiting durum wheat production. This study aimed to characterize previously undescribed genes for leaf rust resistance in durum wheat. Six different resistant durum genotypes were crossed to two susceptible International Maize and Wheat Impro...

journal_title：Phytopathology

authors： Loladze A,Kthiri D,Pozniak C,Ammar K

更新日期：2014-12-01 00:00:00

abstract：:ABSTRACT Xanthomonas axonopodis pv. glycines is the causal agent of bacterial pustule disease of soybeans. A transposon insertional mutant (KU-P-M670) of X. axonopodis pv. glycines derived from wild-type strain KU-P-34017 lost the ability to induce the hypersensitive response (HR) on tobacco and pepper but retained it...

journal_title：Phytopathology

authors： Kaewnum S,Prathuangwong S,Burr TJ

更新日期：2006-11-01 00:00:00

abstract：:ABSTRACT Meta-analysis is a set of statistical procedures for synthesizing research results from a number of different studies. An estimate of a statistical effect, such as the difference in disease severity for plants with or without a management treatment, is collected from each study along with a measure of the var...

journal_title：Phytopathology

authors： Rosenberg MS,Garrett KA,Su Z,Bowden RL

更新日期：2004-09-01 00:00:00

abstract：:In null hypothesis testing, failure to reject a null hypothesis may have two potential interpretations. One interpretation is that the treatments being evaluated do not have a significant effect, and a correct conclusion was reached in the analysis. Alternatively, a treatment effect may have existed but the conclusion...

journal_title：Phytopathology

authors： Gent DH,Esker PD,Kriss AB

更新日期：2018-01-01 00:00:00

abstract：:ABSTRACT The complete sequence of the 7.07 Mb genome of the biological control agent Pseudomonas fluorescens Pf-5 is now available, providing a new opportunity to advance knowledge of biological control through genomics. P. fluorescens Pf-5 is a rhizosphere bacterium that suppresses seedling emergence diseases and pro...

journal_title：Phytopathology

authors： Loper JE,Kobayashi DY,Paulsen IT

更新日期：2007-02-01 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：:Raffaelea lauricola, a fungal symbiont of the ambrosia beetle Xyleborus glabratus, causes laurel wilt in members of the Lauraceae plant family. North American species in the family, such as avocado (Persea americana) and swamp bay (P. palustris), are particularly susceptible to laurel wilt, whereas the Asian camphortr...

journal_title：Phytopathology

authors： Campbell AS,Ploetz RC,Rollins JA

更新日期：2017-01-01 00:00:00

abstract：:The plant bacterial pathogen Xanthomonas oryzae pv. oryzae causes bacterial blight of rice, which is one of the most destructive rice diseases prevalent in Asia and parts of Africa. Despite many years of research, how X. oryzae pv. oryzae causes bacterial blight of rice is still not completely understood. Here, we sho...

journal_title：Phytopathology

authors： Zhang Y,Wu G,Palmer I,Wang B,Qian G,Fu ZQ,Liu F

更新日期：2019-11-01 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：: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：:ABSTRACT Plant nonhost disease resistance is characterized by the induction of multiple defense genes. The pea DRR206 gene is induced following inoculation with pathogens and treatment with abiotic agents, and moderately induced by wounding. A deletion series of DRR206 promoter segments was fused with the beta-glucuro...

journal_title：Phytopathology

authors： Choi JJ,Klosterman SJ,Hadwiger LA

更新日期：2004-06-01 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：: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 Pyrenophora teres, the causal agent of net blotch of barley (Hordeum vulgare L.), induces a combination of necrosis and extensive chlorosis in susceptible barley cultivars. Cell-free filtrates from both net and spot forms of P. teres; P. teres f. sp. teres, and P. teres f. sp. maculata were found to contain p...

journal_title：Phytopathology

authors： Sarpeleh A,Wallwork H,Catcheside DE,Tate ME,Able AJ

更新日期：2007-08-01 00:00:00

abstract：:ABSTRACT The influence exerted by Pythium group F (a minor pathogen ubiquitous in soilless cultures) and P. uncinulatum (a nonpathogenic species) colonization on tomato roots was investigated. In both interactions, infected roots did not exhibit obvious symptoms; however, major physiological changes occurred within th...

journal_title：Phytopathology

authors： Rey P,Benhamou N,Tirilly Y

更新日期：1998-03-01 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