Characterization of the Race Structure of Leptosphaeria maculans Causing Blackleg of Winter Canola in Oklahoma and Kansas.

abstract：:Hot pepper (Capsicum annuum) cultivated in India has been identified as a host of geminiviruses causing leaf curl disease such as Chilli leaf curl virus and Pepper leaf curl virus, leading to serious crop losses (3). In June 2013, hot pepper plants growing in Bangalore showed stunting and upward leaf curling. Viral DN...

journal_title：Plant disease

authors： Byun HS,Kil EJ,Kim S,Hwang H,Lee JH,Chung YJ,Lee S

更新日期：2014-11-01 00:00:00

abstract：:In 2001, a disease tentatively named Iranian cabbage yellows (ICY) was observed in cabbage fields of Zarghan (Fars Province, Iran). The major symptoms of the disease were yellowing, little leaves, plant stunting, opening of the head, and proliferation of the buds at the base of the stem into a witches'-broom. Among le...

journal_title：Plant disease

authors： Salehi M,Izadpanah K,Siampour M

更新日期：2007-05-01 00:00:00

abstract：:Pseudomonas syringae pv. tomato is a seedborne pathogen that causes bacterial speck disease in tomato. P. syringae pv. tomato is typically detected in tomato seed using quantitative real-time PCR (qPCR) but the inability of qPCR to distinguish between viable and nonviable cells might lead to an overestimation of viabl...

journal_title：Plant disease

authors： Chai AL,Ben HY,Guo WT,Shi YX,Xie XW,Li L,Li BJ

更新日期：2020-08-01 00:00:00

abstract：:The plant-parasitic nematode Pratylenchus penetrans is a major constraint to the production of red raspberry. To determine whether several popular raspberry cultivars in Washington State differ in susceptibility to P. penetrans and whether post-plant nematicides treatments are warranted, five independent, multiyear tr...

journal_title：Plant disease

authors： Han Z,Walters TW,Zasada IA

更新日期：2014-11-01 00:00:00

abstract：:Colletotrichum Corda, 1831 species are well-documented pathogens of citrus that are associated with leaf and fruit anthracnose diseases. However, their role in twig and shoot dieback diseases of citrus has recently become more prominent. Recent surveys of orchards in the Central Valley of California have revealed C. g...

journal_title：Plant disease

authors： Mayorquin JS,Nouri MT,Peacock BB,Trouillas FP,Douhan GW,Kallsen C,Eskalen A

更新日期：2019-07-01 00:00:00

abstract：:In 2009 and 2010, peaches (Prunus persica) with brown rot symptoms were collected from Zhejiang Plant Protection State Research Farm and a commercial orchard in Fujian Province in southeastern China. Affected fruit showed brown decay with zones of sporulation. Single-spore isolates from the diseased fruit were culture...

journal_title：Plant disease

authors： Hu MJ,Chen Y,Chen SN,Liu XL,Yin LF,Luo CX

更新日期：2011-02-01 00:00:00

abstract：:Agrobacterium-like colonies were recovered onto Roy-Sasser's medium from a young tumor (4 cm in diameter) on the stem of weeping fig (Ficus benjamina L.), 10 cm from the crown. The galled plant was collected in 1999 from a garden center in Valencia, Spain. After colony purification and tomato and weeping fig plant ino...

journal_title：Plant disease

authors： Penyalver R,Sánchez JJ,Petit A,Salcedo CI,López MM

更新日期：2004-04-01 00:00:00

abstract：:During December 2003, symptoms were observed in greenhouse tomato plants in Bet Dagan, Israel that resembled those of Tomato chlorosis virus (ToCV), a crinivirus common in the southeastern United States and southern Europe (2,3). Middle-aged leaves showed interveinal chlorosis, while more mature leaves showed more int...

journal_title：Plant disease

authors： Segev L,Wintermantel WM,Polston JE,Lapidot M

更新日期：2004-10-01 00:00:00

abstract：:Previous studies established that excised leaf tissues of alfalfa can be inoculated with Sclerotinia trifoliorum to select for heritable resistance, but the original procedures were not practical for use in large-scale screening programs. In this study, simplified leaf inoculation procedures for more rapid screening f...

journal_title：Plant disease

authors： Pratt RG,Rowe DE

更新日期：1998-10-01 00:00:00

abstract：:Two microplot studies were conducted with peanut (Arachis hypogaea L.) in 2000, 2001, and 2002 to determine the effects of plant spacing, inoculation date, and cultivar on stem rot development caused by Sclerotium rolfsii Sacc., tomato spotted wilt incidence, and microclimate (temperature and relative humidity). Stem ...

journal_title：Plant disease

authors： Sconyers LE,Brenneman TB,Stevenson KL,Mullinix BG

更新日期：2005-09-01 00:00:00

abstract：:In March of 2008, a leaf scab disease was observed in a papaya (Carica papaya L.) orchard at Guoshing, 24.03°N, 120.51°E, in Nantou County, Taiwan. Infected papayas developed symptoms of numerous, pale green, water-soaked areas, 0.5 to 1.5 mm. Infected leaves gradually turned white to gray on the upper surface and sma...

journal_title：Plant disease

authors： Chen RS,Wang WL,Li JC,Wang YY,Tsay JG

更新日期：2009-04-01 00:00:00

abstract：:Sansevieria trifasciata originates from tropical West Africa. It is widely planted as a potted ornamental in China for improving indoor air quality (1). In February 2011, leaves of S. trifasciata plants in an ornamental market of Anle, Luoyang City, China, were observed with sunken brown lesions up to 20 mm in diamete...

journal_title：Plant disease

authors： Li YL,Zhou Z,Lu W,Ye JR

更新日期：2013-07-01 00:00:00

abstract：:Sixty-three commercial seed lots of peanut produced in Virginia were examined for the presence of seed with speckled testae. Speckled seed were present in seed lots from the 1998, 1999, and 2000 growing seasons at average rates of 3, 1.2, and 0.6%, respectively. Speckled and normal seed from 19 seed lots were assayed ...

journal_title：Plant disease

authors： Glenn DL,Phipps PM,Stipes RJ

更新日期：2003-07-01 00:00:00

abstract：:Brugmansia (Brugmansia spp.), also known as Angel's trumpet, is a perennial shrub in the Solanaceae that is a popular landscape plant in the tropics and subtropics, and potted plant in temperate regions. In April 2012, virus-like symptoms including chlorotic leaf patterns and curling followed by necrosis and distortio...

journal_title：Plant disease

authors： Nikolić D,Stanković I,Vučurović A,Ristić D,Milojević K,Bulajić A,Krstić B

更新日期：2013-06-01 00:00:00

abstract：:Plum pox virus (PPV) was detected in wild apricot and cultivated plum maintained in a germ plasm collection in Kazakhstan. Both isolates were typed as D strain, with no evidence of recombination. The virus was detected by triple-antibody sandwich enzyme-linked immunosorbent assay (ELISA) utilizing the universal PPV-sp...

journal_title：Plant disease

authors： Spiegel S,Kovalenko EM,Varga A,James D

更新日期：2004-09-01 00:00:00

abstract：:During 2006 and 2007 in the region of Sumaré, state of São Paulo, Brazil, surveys were done on tomato (Solanum lycopersicum L.) virus diseases in three open field-grown crops. The data revealed low incidence (0.25 to 3.42%) of randomly distributed plants exhibiting interveinal chlorosis and some necrosis on the basal ...

journal_title：Plant disease

authors： Barbosa JC,Teixeira APM,Moreira AG,Camargo LEA,Filho AB,Kitajima EW,Rezende JAM

更新日期：2008-12-01 00:00:00

abstract：:Since 1996, commercial spinach cultivars with resistance to four previously described races of Peronospora farinosa f. sp. spinaciae (races 1, 2, 3, and 4) were observed with high incidences of downy mildew both in California and Europe. Isolates of P. farinosa f. sp. spinaciae collected in California between 1997 and...

journal_title：Plant disease

authors： Irish BM,Correll JC,Koike ST,Schafer J,Morelock TE

更新日期：2003-05-01 00:00:00

abstract：:Solanum viarum Dunal (tropical soda apple) belongs to the section Acanthophora in the genus Solanum, which includes nearly 20 neotropical species of herbs and small shrubs (2). The species in this section are sometimes called the 'spiny Solanums' (2) and are adapted mainly to highly disturbed habitats and open seconda...

journal_title：Plant disease

authors： Cárdenas ME,Medina E,Tabima J,Vargas A,Lopera C,Bernal A,Restrepo S

更新日期：2011-07-01 00:00:00

abstract：:Botryosphaeria dothidea (Moug.: Fr.) Ces. & De Not has a worldwide distribution infecting species from over 80 genera of plants (1). Apart from being an important pathogen of apple trees in many countries, B. dothidea can cause pre- and postharvest decay on apple fruit (2). It has been known to cause canker and diebac...

journal_title：Plant disease

authors： Vasić M,Duduk N,Vico I,Ivanović MS

更新日期：2013-12-01 00:00:00

abstract：:Cercospora leaf blight (CLB) became much more prevalent in Louisiana beginning in 1999. A previous study showed that the Louisiana population of Cercospora kikuchii, the causal agent, was dominated by a new lineage that differed from those collected in other locations at earlier times. In this study, we tested whether...

journal_title：Plant disease

authors： Cai G,Schneider RW,Padgett GB

更新日期：2009-09-01 00:00:00

abstract：:San Quintin Valley, a 60-mile-long coastal plain (30°30'N, 116°W) in the Baja California Peninsula, is one of the major fresh tomato (Lycopersicon esculentum Mill.) production areas in Mexico with more than 8,000 ha. During the last 10 years, the valley's tomato production has declined because of gray mold and stem ca...

journal_title：Plant disease

authors： Holguín-Peña RJ,Arcos FG

更新日期：2005-05-01 00:00:00

abstract：:A rapid technique for identification and detection of Phoma sclerotioides, the causal agent of brown root rot of alfalfa, has been developed using polymerase chain reaction (PCR). Amplification products obtained from random amplified polymorphic DNA (RAPD) reactions were cloned and sequenced, and two extended primer s...

journal_title：Plant disease

authors： Larsen RC,Hollingsworth CR,Vandemark GJ,Gritsenko MA,Gray FA

更新日期：2002-09-01 00:00:00

abstract：:Flat apple disease-associated virus (FAV) was mechanically transmitted to the propagation host Chenopodium quinoa and double-stranded (ds)RNA recovered using CFII chromatography. Purified dsRNA was used to generate cDNA clones which were sequenced and the information used to design oligonucleotide primers for reverse ...

journal_title：Plant disease

authors： James D,Howell WE,Mink GI

更新日期：2001-01-01 00:00:00

abstract：:Fig mosaic disease (FMD) and the fig mite, Aceria ficus, are widespread in different fig growing provinces of Turkey. Fig trees (Ficus carica) cv. Bursa siyahı (D1) and an unknown seedling (D2) that showed typical FMD symptoms and was heavily infested by fig mites were used as donor plants for attempted mite transmiss...

journal_title：Plant disease

authors： Çağlayan K,Serçe ÇU,Barutçu E,Kaya K,Medina V,Gazel M,Soylu S,Çalışkan O

更新日期：2010-12-01 00:00:00

abstract：:The effects of four preplant ground cover systems as alternatives to chemical control of Mesocriconema xenoplax were investigated from 1991 to 1998. Ground cover establishment was initiated in 1991 in an orchard known to be infested with M. xenoplax and having a history of peach tree short life (PTSL). Ground cover sy...

journal_title：Plant disease

authors： Nyczepir AP,Bertrand PF

更新日期：2000-07-01 00:00:00

abstract：:Blossom blight of seed alfalfa (Medicago sativa L.), caused by the fungal pathogens Botrytis cinerea and Sclerotinia sclerotiorum, is a potentially devastating disease on the Canadian Prairies in moist growing seasons. Monitoring the airborne spore concentrations of these pathogens could facilitate disease forecasting...

journal_title：Plant disease

authors： Reich J,Chatterton S,Johnson D

更新日期：2017-02-01 00:00:00

abstract：:Soybean rust, caused by Phakopsora pachyrhizi, is one of the most important constraints to soybean production worldwide. The absence of high levels of host resistance to the pathogen has necessitated the continued search and identification of sources of resistance. In one set of experiments, 178 soybean breeding lines...

journal_title：Plant disease

authors： Twizeyimana M,Ojiambo PS,Ikotun T,Ladipo JL,Hartman GL,Bandyopadhyay R

更新日期：2008-06-01 00:00:00

abstract：:Commercial production area and yield of sweet persimmon (Diospyros kaki L.) in Spain has doubled in the last 10 years to more than 5,000 ha and 50,000 tons, respectively, mainly because of the high quality and consumer demand for the Valencian autochthonous cultivar 'Rojo Brillante' in European markets. In a recent su...

journal_title：Plant disease

authors： Palou L,Montesinos-Herrero C,Tarazona I,Taberner V

更新日期：2013-05-01 00:00:00

abstract：:During October 2005, rust lesions were observed on leaves of gladiolus (Gladiolus sp.) plants being grown for flower production in a 20-ha field in eastern Michoacán, México. Disease incidence was near 100% in the field. Five symptomatic plants were collected on 11 and 25 October 2005, from each of 10 farms for furthe...

journal_title：Plant disease

authors： Rodríguez-Alvarado G,Fernández-Pavía SP,Valenzuela-Vázquez M,Loya-Ramírez JG

更新日期：2006-05-01 00:00:00

abstract：:Fusarium head blight (FHB) is a fungal disease of wheat (Triticum aestivum L.) causing frequent economic losses to farmers under growing conditions of Eastern Canada. To assess risks associated with this disease and guide fungicide use decisions, many researchers from numerous countries have developed weather-based fo...

journal_title：Plant disease

authors： Giroux ME,Bourgeois G,Dion Y,Rioux S,Pageau D,Zoghlami S,Parent C,Vachon E,Vanasse A

更新日期：2016-06-01 00:00:00