Phylogenetic analysis of Verticillium dahliae vegetative compatibility groups.

abstract：:ABSTRACT Temperature is a critical factor in plant disease development. As part of a research program to determine how specific environmental variables affect soybean rust, we determined temperature effects on urediniospore germination and germ tube growth of four isolates of Phakopsora pachyrhizi, one each from Brazi...

journal_title：Phytopathology

authors： Bonde MR,Berner DK,Nester SE,Frederick RD

更新日期：2007-08-01 00:00:00

abstract：:ABSTRACT Recently, the gene-for-gene host-parasite coevolution model of Leonard was extended by incorporating two kinds of perturbations. The first kind was the natural perturbations that include those caused by pathogen migration between the two subpopulations of the host, forward and backward mutations in the host o...

journal_title：Phytopathology

authors： Sun P,Yang XB

更新日期：1999-09-01 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：:Resin obtained from Pinus radiata and five monoterpene components of resin (limonene, α-pinene, β-pinene, camphene, and myrcene) were tested to determine their effects on mycelial growth and germination and survival of spores of Fusarium circinatum, the cause of pitch canker in pine, and F. temperatum, which is interf...

journal_title：Phytopathology

authors： Slinski SL,Zakharov F,Gordon TR

更新日期：2015-01-01 00:00:00

abstract：:Ampelomyces quisqualis is a mycoparasite of a diverse range of phytopathogenic fungi associated with the powdery mildew disease. Among them are several Erysiphaceae species with great economic impact on high-value crops such as grape. Due to its ability to parasitize and prevent the spread of powdery mildews, A. quisq...

journal_title：Phytopathology

authors： Siozios S,Tosi L,Ferrarini A,Ferrari A,Tononi P,Bellin D,Maurhofer M,Gessler C,Delledonne M,Pertot I

更新日期：2015-02-01 00:00:00

abstract：:ABSTRACT Pear blossoms were sampled during various stages of bloom in 1991 and 1992 from orchards at Cashmere, WA, and Corvallis and Medford, OR, for epiphytic populations of culturable bacteria. On stigmatic surfaces, bacteria were isolated from 2 to 32% of blossoms prior to petal expansion and from 47 to 94% of blos...

journal_title：Phytopathology

authors： Stockwell VO,McLaughlin RJ,Henkels MD,Loper JE,Sugar D,Roberts RG

更新日期：1999-12-01 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 Pasteuria penetrans is a bacterial parasite of root-knot nematodes that shows great potential as a biocontrol agent. Scanning and transmission electron microscopy were used to study the ultrastructure, morphology, and sporogenesis of four isolates of P. penetrans. The effects of different Meloidogyne spp. and...

journal_title：Phytopathology

authors： Chen ZX,Dickson DW,Freitas LG,Preston JF

更新日期：1997-03-01 00:00:00

abstract：:ABSTRACT A previously undescribed leaf spot disease of banana has been discovered in southern and Southeast Asia. The fungus identified as the causal agent of this leaf spot has a Mycosphaerella teleomorph stage and a Septoria anamorph stage. Isolation and reinoculation of the fungus to banana reproduced symptoms and ...

journal_title：Phytopathology

authors： Carlier J,Zapater MF,Lapeyre F,Jones DR,Mourichon X

更新日期：2000-08-01 00:00:00

abstract：:Developing oat cultivars with partial resistance to crown rust would be beneficial and cost-effective for disease management. Two recombinant inbred-line populations were generated by crossing the susceptible cultivar Provena with two partially resistant sources, CDC Boyer and breeding line 94197A1-9-2-2-2-5. A third ...

journal_title：Phytopathology

authors： Babiker EM,Gordon TC,Jackson EW,Chao S,Harrison SA,Carson ML,Obert DE,Bonman JM

更新日期：2015-02-01 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：:Hemileia vastatrix caused a severe epidemic in Central America in 2012-13. The gradual development of that epidemic on nearly a continental scale suggests that dispersal at different scales played a significant role. Shade has been proposed as a way of reducing uredospore dispersal. The effect of shade (two strata: Er...

journal_title：Phytopathology

authors： Boudrot A,Pico J,Merle I,Granados E,Vílchez S,Tixier P,Filho Ede M,Casanoves F,Tapia A,Allinne C,Rice RA,Avelino J

更新日期：2016-06-01 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 Compost tea is being used increasingly in agricultural production to control plant diseases. However, there has been limited investigation relating disease control efficacy to various compost tea production methods, particularly compost tea produced with active aeration and additives to increase microbial pop...

journal_title：Phytopathology

authors： Scheuerell SJ,Mahaffee WF

更新日期：2004-11-01 00:00:00

abstract：:ABSTRACT Striga aspera and S. hermonthica are sympatric in Africa. Each may serve as virulent gene reservoirs for the other if they hybridize and their hybrids are virulent and fertile. Intraspecific and interspecific crosses were made within and between the species, and reproductive success was determined. Freshly ha...

journal_title：Phytopathology

authors： Aigbokhan EI,Berner DK,Musselman LJ

更新日期：1998-06-01 00:00:00

abstract：:ABSTRACT Lepidopteran cells (Spodoptera frugiperda) produced isometric virus-like particles (VLP) when infected with a recombinant baculovirus Ac61 that contained the Potato leafroll virus (PLRV) coat protein gene modified with an N-terminal histidine tag (P3-6H). Cells infected with AcFL, a recombinant baculovirus th...

journal_title：Phytopathology

authors： Gildow FE,Reavy B,Mayo MA,Duncan GH,Woodford JA,Lamb JW,Hay RT

更新日期：2000-10-01 00:00:00

abstract：:ABSTRACT Effective biocontrol strains of Trichoderma virens can induce the production of defense-related compounds in the roots of cotton. Ineffective strains do not induce these compounds to significant levels. This elicittation was found to be heat stable, insoluble in chloroform, passed through a 5K molecular weigh...

journal_title：Phytopathology

authors： Hanson LE,Howell CR

更新日期：2004-02-01 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：:ABSTRACT Late leaf spot disease caused by Cercosporidium personatum is one of the most destructive foliar diseases of peanut (Arachis hypogaea) worldwide. The objective of this research was to identify resistance genes in response to leaf spot disease using microarray and real-time polymerase chain reaction (PCR). To ...

journal_title：Phytopathology

authors： Luo M,Dang P,Bausher MG,Holbrook CC,Lee RD,Lynch RE,Guo BZ

更新日期：2005-04-01 00:00:00

abstract：:The smut fungi form a large, diverse, and nonmonophyletic group of plant pathogens that have long served as both important pests of human agriculture and, also, as fertile organisms of scientific investigation. As modern techniques of molecular genetic analysis became available, many previously studied species that pr...

journal_title：Phytopathology

authors： Toh SS,Perlin MH

更新日期：2016-11-01 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 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：: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：:ABSTRACT Digestive cysteine proteinases have been isolated from plant-parasitic nematodes as well as coleopteran and hemipteran insects. Phytocystatins, inhibitors of cysteine proteinases, are found in a number of plants where they may play a role in defense against pathogens and pests. The cDNAs of the phytocystatins...

journal_title：Phytopathology

authors： Samac DA,Smigocki AC

更新日期：2003-07-01 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：:We studied spore dispersal by Dothistroma septosporum, causal agent of a serious outbreak of red band needle blight in lodgepole pine plantations in northwest British Columbia. Spore abundance was assessed at different distances and heights from inoculum sources and microclimatic factors were recorded during two conse...

journal_title：Phytopathology

authors： Boateng K,Lewis KJ

更新日期：2015-01-01 00:00:00

abstract：:A polymerase chain reaction (PCR)-based method was developed for the detection of phytoplasma in insect feeding medium (sucrose). A correlation was established between the transmissibility of Flavescence dorée phytoplasma in the experimental leafhopper vector Euscelidius variegatus and its detection by PCR in the inse...

journal_title：Phytopathology

authors： Tanne E,Boudon-Padieu E,Clair D,Davidovich M,Melamed S,Klein M

更新日期：2001-08-01 00:00:00

abstract：:ABSTRACT Fusarium fungi, including F. culmorum, cause seedling blight, foot rot, and head blight diseases of cereals, resulting in yield loss. In a screen for potential disease control organisms and agents, Pseudomonas fluorescens strains MKB 100 and MKB 249, P. frederiksbergensis strain 202, Pseudomonas sp. strain MK...

journal_title：Phytopathology

authors： Khan MR,Fischer S,Egan D,Doohan FM

更新日期：2006-04-01 00:00:00

abstract：:Crop losses caused by nematode infections are estimated to be valued at USD 157 billion per year. Meloidogyne incognita, a root-knot nematode (RKN), is considered to be one of the most important plant pathogens due to its worldwide distribution and the austere damage it can cause to a large variety of agronomically im...

journal_title：Phytopathology

authors： Lourenço-Tessutti IT,Souza Junior JD,Martins-de-Sa D,Viana AA,Carneiro RM,Togawa RC,de Almeida-Engler J,Batista JA,Silva MC,Fragoso RR,Grossi-de-Sa MF

更新日期：2015-05-01 00:00:00

abstract：:ABSTRACT Fusarium verticillioides, F. proliferatum, and Aspergillus flavus cause ear rots of maize and contaminate the grain with mycotoxins (fumonisin or aflatoxin). The objective of this study was to investigate the relationships between resistance to Fusarium and Aspergillus ear rots and fumonisin and aflatoxin con...

journal_title：Phytopathology

authors： Robertson-Hoyt LA,Betrán J,Payne GA,White DG,Isakeit T,Maragos CM,Molnár TL,Holland JB

更新日期：2007-03-01 00:00:00