Xanthomonas oryzae pv. oryzae XKK.12 contains an AroQgamma chorismate mutase that is involved in rice virulence.

abstract：:Stalk rot is one of the most serious and widespread diseases in maize, and effective control measures are currently lacking. Therefore, this study aimed to develop a new biological agent to manage this disease. An antagonistic bacterial strain, TA-1, was isolated from rhizosphere soil and identified as Bacillus methyl...

journal_title：Phytopathology

authors： Cheng X,Ji X,Ge Y,Li J,Qi W,Qiao K

更新日期：2019-04-01 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：:ABSTRACT A major leaf rust (Puccinia triticina) resistance quantitative trait locus (QTL) (QLrP.sfr-7DS) previously has been described on chromosome 7DS in the winter wheat (Triticum aestivum) cv. Forno. It was detected in a population of single-seed descent (SSD) lines derived from the cross Arina x Forno. QLrP.sfr-7...

journal_title：Phytopathology

authors： Schnurbusch T,Bossolini E,Messmer M,Keller B

更新日期：2004-10-01 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

abstract：:ABSTRACT Phytophthora cinnamomi isolates collected from 1977 to 1986 and 1991 to 1993 in two regions in South Africa were analyzed using isozymes. A total of 135 isolates was analyzed for 14 enzymes representing 20 putative loci, of which four were polymorphic. This led to the identification of nine different multiloc...

journal_title：Phytopathology

authors： Linde C,Drenth A,Kemp GH,Wingfield MJ,von Broembsen SL

更新日期：1997-08-01 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 Our objective was to determine the value of corn (Zea mays) inbred Oh516 as a source of resistance to Aspergillus ear rot and aflatoxin accumulation in grain. Types and magnitudes of gene action associated with resistance were determined with generation means analysis. Molecular markers associated with resist...

journal_title：Phytopathology

authors： Busboom KN,White DG

更新日期：2004-10-01 00:00:00

abstract：:ABSTRACT A portion of the 18S ribosomal DNA (rDNA) gene, the internal transcribed spacers (ITS1 and ITS2), and the 5.8S rDNA gene were polymerase chain reaction-amplified from strains and field populations of Venturia inaequalis and assessed for genetic variation. A previously reported optional group I intron in the 1...

journal_title：Phytopathology

authors： Schnabel G,Schnabel EL,Jones AL

更新日期：1999-01-01 00:00:00

abstract：:ABSTRACT Geminiviruses are a group of single-stranded DNA viruses that cause major losses on a number of important crops throughout the world. Bean golden mosaic virus (BGMV) is a typical bipartite, whitefly-transmitted geminivirus that causes a severe disease on beans (Phaseolus vulgaris) in the Western Hemisphere. T...

journal_title：Phytopathology

authors： Hanson SF,Maxwell DP

更新日期：1999-06-01 00:00:00

abstract：:ABSTRACT Sweet pepper-Leveillula taurica microclimate relations were studied under controlled conditions and in commercial greenhouses. Conidial germination occurred at 10 to 37 degrees C and was optimal at 20 degrees C. Conidial viability declined as temperatures increased to 40 degrees C for 6 h. Leaf colonization w...

journal_title：Phytopathology

authors： Elad Y,Messika Y,Brand M,David DR,Sztejnberg A

更新日期：2007-07-01 00:00:00

abstract：:Chlorotic streak is a global disease of commercial sugarcane (Saccharum spp. hybrids). The disease is transmitted by wet soil, water, as well as in diseased planting material. Although first recognized almost 90 years ago and despite significant research effort, the identity of the causal agent has been elusive. Metag...

journal_title：Phytopathology

authors： Ngo CN,Braithwaite KS,Bass D,Young AJ,Croft BJ

更新日期：2018-04-01 00:00:00

abstract：:ABSTRACT Multivariate random-effects meta-analyses were conducted on 12 years of data from 14 U.S. states to determine the mean yield and test-weight responses of wheat to treatment with propiconazole, prothioconazole, tebuconazole, metconazole, and prothioconazole+tebuconazole. All fungicides led to a significant inc...

journal_title：Phytopathology

authors： Paul PA,McMullen MP,Hershman DE,Madden LV

更新日期：2010-02-01 00:00:00

abstract：:Seiridium cardinale is the pathogenic fungus of unknown origin responsible for a world pandemic known as cypress canker affecting several species of Cupressaceae in both the Northern and Southern Hemisphere. In this study, a comparative genetic analysis of worldwide populations was performed using sequence analysis of...

journal_title：Phytopathology

authors： Della Rocca G,Eyre CA,Danti R,Garbelotto M

更新日期：2011-12-01 00:00:00

abstract：:Lily leaf blight, caused by Botrytis elliptica, is an important fungal disease in Taiwan. In order to identify an effective, nonfungicide method to decrease disease incidence in Lilium formosanum, the efficacy of rhizobacteria eliciting induced systemic resistance (ISR) was examined in this study. Over 300 rhizobacter...

journal_title：Phytopathology

authors： Liu YH,Huang CJ,Chen CY

更新日期：2008-07-01 00:00:00

abstract：:Heikezijing, a japonica rice landrace from the Taihu region of China, exhibited broad-spectrum resistance to more than 300 isolates of the blast pathogen (Magnaporthe oryzae). In our previous research, we fine mapped a broad-spectrum resistance gene, Pi-hk1, in chromosome 11. In this research, 2010-9(G1), one of the p...

journal_title：Phytopathology

authors： He W,Fang N,Wang R,Wu Y,Zeng G,Guan C,Chen H,Huang J,Wang J,Bao Y,Zhang H

更新日期：2017-01-01 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：: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：: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 Seed certification and the use of cultivars containing one of two, probably allelic, recessive genes, mo1(1) and mo1(2), are the principal control methods for Lettuce mosaic virus (LMV) in lettuce. Although for a few LMV isolates, mo1(2) confers resistance with most isolates, the genes mo1(1) or mo1(2) confer...

journal_title：Phytopathology

authors： Candresse T,Le Gall O,Maisonneuve B,German-Retana S,Redondo E

更新日期：2002-02-01 00:00:00

abstract：:Potyviral helper component protease (HC-Pro), as a major determinant of symptom expression in susceptible plants, is a likely target candidate in the production of attenuated strains for cross-protection. In this study, single or double mutations of Lys (K) to Glu (E) in the Lys-Ile-Thr-Cys motif and Arg (R) to Ile (I...

journal_title：Phytopathology

authors： Tuo D,Zhou P,Zhao G,Yan P,Tan D,Li X,Shen W

更新日期：2020-01-01 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：:As the causal agent of late blight on potato, Phytophthora infestans is one of the most destructive plant pathogens worldwide and widely known as the Irish potato famine pathogen. Understanding the genetic structure of P. infestans populations is important both for breeding and deployment of resistant varieties and fo...

journal_title：Phytopathology

authors： Tian Y,Yin J,Sun J,Ma H,Ma Y,Quan J,Shan W

更新日期：2015-06-01 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：:There is increasing use of networks in ecology and epidemiology, but still relatively little application in phytopathology. Networks are sets of elements (nodes) connected in various ways by links (edges). Network analysis aims to understand system dynamics and outcomes in relation to network characteristics. Many exi...

journal_title：Phytopathology

authors： Moslonka-Lefebvre M,Finley A,Dorigatti I,Dehnen-Schmutz K,Harwood T,Jeger MJ,Xu X,Holdenrieder O,Pautasso M

更新日期：2011-04-01 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：: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：: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：: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：:Beet powdery mildew incited by Erysiphe betae is a serious foliar fungal disease of worldwide distribution causing losses of up to 30%. In the present work, we searched for resistance in a germplasm collection of 184 genotypes of Beta vulgaris including fodder (51 genotypes), garden (60 genotypes), leaf (51 genotypes)...

journal_title：Phytopathology

authors： Fernández-Aparicio M,Prats E,Emeran AA,Rubiales D

更新日期：2009-04-01 00:00:00