解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::ABSTRACT Sudden death syndrome (SDS) of soybean is caused by the soilborne Fusarium solani f. sp. glycines (synonym F. virguliforme). In a sequential approach, two multifactor factorial-design microplot experiments were conducted to investigate the effects of fungal infestation levels and soil moisture on both root ne...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0763
更新日期:2006-07-01 00:00:00
abstract::ABSTRACT An isometric virus ca. 25 nm in diameter with angular contour was isolated from onion plants showing yellow leaf striping and necrotic tips. The virus was mechanically transmitted onto 28 species of indicator plants belonging to five families, viz. Amaranthaceae, Chenopodiaceae, Cucurbitaceae, Leguminosae, an...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0622
更新日期:2006-06-01 00:00:00
abstract::ABSTRACT Plasmopara viticola populations collected from three islands in the Ionian Sea-an arm of the Mediterranean Sea to the west of Greece-were analyzed with microsatellite molecular markers in order to investigate the pathogen population structure. Downy mildew populations from mainland regions previously studied ...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0501
更新日期:2006-05-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0386
更新日期:2006-04-01 00:00:00
abstract::ABSTRACT The effects of salicylic acid (SA) and 1-aminocyclopropane-1-carboxylic acid (ACC) on the systemic development of symptoms induced by a severe isolate of Potato virus Y group N:O (PVY(N:O)) in tobacco were investigated. Upon inoculation, the systemic development of symptoms in tobacco plants could be divided ...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0255
更新日期:2006-03-01 00:00:00
abstract::ABSTRACT Epicuticular wax on needles was evaluated for its influence on Cronartium ribicola infection of resistant and susceptible selections of Pinus strobus. Environmental scanning electron microscopy comparisons revealed that needles from a resistant selection of eastern white pine, P327, had a significantly higher...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0171
更新日期:2006-02-01 00:00:00
abstract::ABSTRACT Crown gall disease, caused by Agrobacterium tumefaciens, remains a serious agricultural problem despite current biocontrol methods. Agrobacterium tumefaciens transfers single-stranded DNA (T-strands) into plant cells along with several virulence proteins, including a single-stranded DNA-binding protein (VirE2...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-96-0105
更新日期:2006-01-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO-95-1482
更新日期:2005-12-01 00:00:00
abstract::ABSTRACT Fusarium head blight (FHB), or scab, is a destructive disease of small grains caused by members of the Fusarium graminearum species complex, comprised of at least nine distinct, cryptic species. Members of this complex are known to produce mycotoxins including the trichothecenes deoxynivalenol (DON) along wit...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-1397
更新日期:2005-12-01 00:00:00
abstract::ABSTRACT Striga hermonthica is a parasitic weed endemic to sub-Saharan Africa. It most commonly parasitizes sorghum, maize, pearl millet, and upland rice, lowering yields and affecting the welfare of over 100 million people, principally subsistence farmers. Cereal crops with complete resistance to this pathogen have n...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-1294
更新日期:2005-11-01 00:00:00
abstract::ABSTRACT Naturally established lowbush blueberry clones in four fields were evaluated for the incidence of leaf and flower blight, proportion of mummy berries, and yield reductions caused by Monilinia vacciniicorymbosi. The relationship between the phenology of flower and leaf bud development and susceptibility also w...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-1174
更新日期:2005-10-01 00:00:00
abstract::ABSTRACT Recent reports have shown induction of resistance to Rhizoctonia root rot using nonpathogenic strains of binucleate Rhizoctonia spp. (np-BNR). This study evaluates the biocontrol ability of several np-BNR isolates against root and foliar diseases of cotton in greenhouse trials, provides evidence for induced s...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-1030
更新日期:2005-09-01 00:00:00
abstract::ABSTRACT The reniform nematode, Rotylenchulus reniformis, is a serious threat to cotton (Gossypium hirsutum) production in the United States, causing an annual loss of about $80 million. The objective of this study was to isolate fungi from eggs of R. reniformis and select potential biocontrol agents for R. reniformis...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0890
更新日期:2005-08-01 00:00:00
abstract::ABSTRACT Nonhost resistance is hypothesized to protect plants in a nonspecific manner. For highly specialized parasites, this hypothesis applies not only to distantly related plants but also to resistant congeners of the host species. Congeners of Populus spp. were hybridized to create two interspecific hybrid poplar ...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0779
更新日期:2005-07-01 00:00:00
abstract::ABSTRACT A genetic map including three avirulence (Avr) genes, AvrPik, AvrPiz, and AvrPiz-t, was constructed in a genetic cross of two rice field isolates, 84R-62B and Y93-245c-2. The chromosomal locations of the Avr genes were determined by using selected markers to probe Southern blots of the parental chromosomes th...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0640
更新日期:2005-06-01 00:00:00
abstract::ABSTRACT In order to understand the molecular mechanisms underlying transmission of Spiroplasma citri by the leafhopper Circulifer haematoceps, we screened leafhopper proteins as putative S. citri-binding molecules using a spiroplasma overlay assay of protein blots (Far-western assay). Insect proteins were separated b...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0541
更新日期:2005-05-01 00:00:00
abstract::ABSTRACT Amplified fragment length polymorphisms (AFLPs) were used to estimate phylogenetic relationships within Magnaporthe grisea and determine the genetic structure of M. grisea populations associated with tall fescue and St. Augustinegrass in Georgia. Sixteen clonal lineages were identified in a sample population ...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0463
更新日期:2005-05-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0381
更新日期:2005-04-01 00:00:00
abstract::ABSTRACT Severe Cercospora leaf spots epidemics in sugar beet during the late 1980s and early 1990s in southern Germany prompted us to initiate investigations on the epidemiology of the causal agent, Cercospora beticola. The data set involved 69 field trials (1993 to 2003) focusing on factors affecting the epidemic on...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0269
更新日期:2005-03-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0192
更新日期:2005-02-01 00:00:00
abstract::ABSTRACT The possibility that the Ht1 gene or genes tightly linked to Ht1 convey general resistance to races of Exserohilum turcicum that are virulent against Ht1 (i.e., residual resistance) could be useful in sweet corn where the Ht1 gene is present in many commercial hybrids and breeding populations. The objective o...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO-95-0085
更新日期:2005-01-01 00:00:00
abstract::ABSTRACT One drawback of traditional methods for fungal biomass measurement is the inability to distinguish biomass of an introduced fungus from that of the indigenous microbial community in nonsterile soil. We quantified biomass of a specific fungal biological control agent in nonsterile soil using epifluorescence mi...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.12.1383
更新日期:2004-12-01 00:00:00
abstract::ABSTRACT Field and in vitro trials were conducted to establish the influence of the biological control agent Microsphaeropsis ochracea on the ejection pattern of ascospores by Venturia inaequalis and on apple scab development, and to establish the best timing of application. The ejection pattern of ascospores was simi...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.12.1305
更新日期:2004-12-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.11.1156
更新日期:2004-11-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.10.1107
更新日期:2004-10-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.10.1036
更新日期:2004-10-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.9.1013
更新日期:2004-09-01 00:00:00
abstract::ABSTRACT Aflatoxins are carcinogens produced mainly by Aspergillus flavus during infection of susceptible crops such as maize. Through proteomic comparisons of maize kernel embryo proteins of resistant and susceptible genotypes, several protein spots previously were found to be unique or upregulated in resistant embry...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.9.938
更新日期:2004-09-01 00:00:00
abstract::ABSTRACT An epidemiological model integrating three organizational scales of host plant populations (e.g., sites, leaves, and plants) is presented. At the lowest (site) scale, the model simulates the dynamics of vacant, latent, infectious, and removed sites. Three types of vacant sites are distinguished, depending on ...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.8.883
更新日期:2004-08-01 00:00:00
abstract::ABSTRACT In the rice blast fungus pathosystem, cerebroside, a compound categorized as a sphingolipid, was found in our previous study to be a non-racespecific elicitor, which elicits defense responses in rice. Here we describe that cerebroside C is produced in diverse strains of Fusarium oxysporum, a common soilborne ...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.8.813
更新日期:2004-08-01 00:00:00
abstract::ABSTRACT Resistance to Soybean mosaic virus (SMV) was identified in PI 88788 soybean, a germ plasm accession from China that is used widely as a source of resistance to soybean cyst nematode. Strains SMV-G1 through -G7 infected the inoculated leaves of PI 88788 but were not detected in upper, noninoculated trifoliolat...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.7.687
更新日期:2004-07-01 00:00:00
abstract::ABSTRACT One of the major concerns with Fusarium head blight (FHB) of barley is the potential health risks to livestock and humans through the accumulation of the mycotoxin deoxynivalenol (DON) in infected grain. To define the role of the host in DON accumulation during the early stages of disease development, we cond...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.7.766
更新日期:2004-07-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.6.651
更新日期:2004-06-01 00:00:00
abstract::ABSTRACT White root rot, caused by Rosellinia necatrix, is a serious soilborne disease of fruit trees and other woody plants. R. necatrix isolate W370 contains 12 segments of double-stranded RNA (dsRNA) that is believed to represent a possible member of the family Reoviridae. W370 was weakly virulent and its hyphal-ti...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.6.561
更新日期:2004-06-01 00:00:00
abstract::ABSTRACT Crown rust (Puccinia coronata) in indigenous populations of Avena sterilis has been cited as an example of stability of wild pathosystems that consist of natural mixtures of resistance and virulence. This study confirmed that virulence/avirulence polymorphisms in P. coronata on A. sterilis in Israel are highl...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.5.505
更新日期:2004-05-01 00:00:00
abstract::ABSTRACT Vegetative compatibility has been used to assess the population biology of many fungal plant pathogens. However, for many species, including Fusarium graminearum, this has meant making auxotrophic mutants to force heterokaryon formation. A method was developed to observe barrage zones of thick, raised myceliu...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.5.432
更新日期:2004-05-01 00:00:00
abstract::ABSTRACT The dominant gene Am from Lycopersicon hirsutum f. sp. glabratum PI134417 confers resistance to most strains of Alfalfa mosaic virus, including the recently identified necrotic strains. The phenotypic response includes a lack of symptom development following mechanical inoculation of leaves. To study the resi...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.4.345
更新日期:2004-04-01 00:00:00
abstract::ABSTRACT Perennial ryegrass (Lolium perenne) was inoculated with urediniospores of Puccinia graminis subsp. graminicola at four stages of reproductive tiller development. All developmental stages, from expansion of the penultimate leaf through anthesis, were equally susceptible to infection measured as number of pustu...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.3.308
更新日期:2004-03-01 00:00:00
abstract::ABSTRACT Plant pathogens often exhibit variation in virulence, the ability to cause disease on host plants with specific resistance, evident from the diversity of races observed within pathogen species. The evolution of races in asexual fungal pathogens has been hypothesized to occur in a stepwise fashion, in which mu...
journal_title:Phytopathology
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.3.228
更新日期:2004-03-01 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
pub_type: 杂志文章
doi:10.1094/PHYTO.2004.94.2.171
更新日期:2004-02-01 00:00:00