Plant Pathology
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Effects of inoculum concentration, wetness duration and plant age on development of early blight (Alternaria solani) and on shedding of leaves in tomato plantsEffects of inoculum concentration, wetness duration and plant age on the development of tomato early blight were evaluated in relation to host susceptibility under controlled environmental conditions. The main effect of early blight was premature defoliation, which was linearly related to the percentage of leaf area showing symptoms. As ln(inoculum concentration, conidia mL−1... hiện toàn bộ
Plant Pathology - Tập 49 Số 3 - Trang 339-345 - 2000
Viral inclusions in monocotyledons infected by maize streak and related geminivirusesIsolates of maize streak virus (MSV) were examined by thin‐section electron microscopy in plants, assessed for characteristic features of infection and compared with other related geminiviruses infecting monocotyledons from Africa, islands in the Indian Ocean, and the Pacific Island of Vanuatu. Arrays of virus particles, often crystalline, were most often seen in the nucleus. The morpholog... ... hiện toàn bộ
Plant Pathology - Tập 42 Số 1 - Trang 75-87 - 1993
Detection of double‐stranded RNA and virus‐like particles in Australian isolates of Pythium irregulareMycelial extracts of Pythium irregulare were processed using CF‐11 chromatography and analysed by gel electrophoresis for double‐stranded RNA (dsRNA) content. DsRNA molecules of between 1 and 6 kb were found in 33 of 39 isolates tested. The dsRNA profiles of individual isolates remained unchanged after repeated subculturing of hyphal tips, after storage under wat... ... hiện toàn bộ
Plant Pathology - Tập 42 Số 1 - Trang 6-15 - 1993
Snow mould caused by a Pythium sp.: a potential vascular plant pathogen in the maritime AntarcticThe pathogenicity of an isolate of a Pythium species from Signy Island in the South Orkney Islands was tested against the Antarctic hairgrass Deschampsia antarctica . The isolate was found to infect plants at 8ºC and to cause foliar and root symptoms similar to those seen in other Pythium infections in grasses.... ... hiện toàn bộ
Plant Pathology - Tập 57 Số 6 - Trang 1066-1072 - 2008
Một tổng quan về bệnh lúa mì Fusarium hạt nhỏ ngũ cốc - Fusarium ear blight (scab) Dịch bởi AI Tổng quan này về bệnh Fusarium trên hạt nhỏ ngũ cốc cho thấy có tới 17 loại tác nhân gây bệnh đã được xác định có liên quan đến căn bệnh đang phổ biến ở hầu hết các khu vực trồng ngũ cốc trên thế giới. Các loài phổ biến nhất là Fusarium graminearum (Gibberella zeae), F. culmorum, F. avenaceum (G. avenacea), F. poae và Microdochium nivale (Monographella nivalis). Bệnh được ghi nhận phổ biến... ... hiện toàn bộ
Plant Pathology - Tập 44 Số 2 - Trang 207-238 - 1995
#Fusarium #nấm bệnh #ngũ cốc #bệnh lúa mì #Fusarium graminearum #kiểm soát sinh học #kháng bệnh #mycotoxin #khí hậu nhiệt đới
Inheritance of resistance to carboxylic acid amide (CAA) fungicides in Plasmopara viticolaMandipropamid is a new mandelic acid amide fungicide expressing high activity against foliar infecting oomycetes, including the grapevine downy mildew, Plasmopara viticola . Because cross‐resistance with the valinamide fungicides iprovalicarb and benthiavalicarb and the cinnamic acid amide fungicides dimethomorph and flumorph was postulated, all five compounds are... ... hiện toàn bộ
Plant Pathology - Tập 56 Số 2 - Trang 199-208 - 2007
Effects of calcium on biocontrol activity of yeast antagonists against the postharvest fungal pathogen Rhizopus stoloniferCalcium chloride (2% w/v) significantly inhibited the growth of the pathogen Rhizopus stolonifer , but did not affect the colony‐forming units (CFU) of yeasts Candida guilliermondii and Pichia membranefaciens in potato dextrose broth. The concentration of yeast suspension influenced spore germination and germ t... ... hiện toàn bộ
Plant Pathology - Tập 51 Số 3 - Trang 352-358 - 2002
Molecular and biochemical characterization of Colletotrichum gloeosporioides isolates resistant to azoxystrobin from grape in ChinaAbstract Anthracnose, caused by Colletotrichum gloeosporioides , is one of the most important diseases in grape‐growing regions worldwide. In Jiangsu Province of China, quinone‐outside inhibitor fungicides (QoIs) have been extensively sprayed as disease control for more than 10 years. A spore germination assay of 64 isolates obtained from 3... ... hiện toàn bộ
Plant Pathology - Tập 70 Số 6 - Trang 1300-1309 - 2021
Phylogenetic relationships and pathogenicity of Colletotrichum acutatum isolates from grape in subtropical AustraliaThe identity of Colletotrichum acutatum as the causal pathogen of grape ripe‐rot, which causes yield loss and a bitter taint that lowers wine quality in Australian subtropical wine‐grape regions, was confirmed using species‐specific primers. Cultural, morphological and molecular methods (RAPD‐PCR and sequencing of parts of the 5·8S‐ITS regions and the β‐tubulin‐2... ... hiện toàn bộ
Plant Pathology - Tập 56 Số 3 - Trang 448-463 - 2007
Aetiology of anthracnose on grapevine shoots in BrazilAnthracnose is an important disease in vineyards in south and southeast Brazil, the main grape‐producing regions in the country. This study aimed to identify the causal agents of grapevine anthracnose in Brazil through multilocus phylogenetic analyses, morphological characterization and pathogenicity tests. Thirty‐nine Elsinoë ampelina and 13 Colleto... ... hiện toàn bộ
Plant Pathology - Tập 67 Số 3 - Trang 692-706 - 2018
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