Ultrastructural and Cytochemical Aspects of the Biological Control of Botrytis cinerea by Candida saitoana in Apple Fruit.

abstract：:ABSTRACT Long-distance dispersal of spores generally presents anisotropy. This anisotropy can appear in the mean number of spores deposited along a given direction (anisotropy in density) and in the mean distance that a spore travels in a given direction (anisotropy in distance). Specific experiments together with a s...

journal_title：Phytopathology

authors： Soubeyrand S,Enjalbert J,Sanchez A,Sache I

更新日期：2007-10-01 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：: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：: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：:Citrus Huanglongbing (HLB) is the most severe disease of citrus plants caused by 'Candidatus Liberibacter asiaticus' and transmitted by the insect vector Asian citrus psyllid (ACP). No effective curative measure is available against HLB. For citrus production areas without HLB or with low HLB disease incidence, remova...

journal_title：Phytopathology

authors： Pandey SS,Wang N

更新日期：2019-06-01 00:00:00

abstract：:Mummy berry, caused by Monilinia vaccinii-corymbosi, causes economic losses of highbush blueberry in the U.S. Pacific Northwest (PNW). Apothecia develop from mummified berries overwintering on soil surfaces and produce ascospores that infect tissue emerging from floral and vegetative buds. Disease control currently re...

journal_title：Phytopathology

authors： Harteveld DOC,Grant MR,Pscheidt JW,Peever TL

更新日期：2017-11-01 00:00:00

abstract：:ABSTRACT Magnaporthe grisea, the causal agent of rice blast, forms a dome-shaped melanized infection structure, an appressorium, to infect its host. Environmental cues that induce appressorium formation in this fungus include the hydrophobicity and hardness of the contact surface and chemicals produced by the host. An...

journal_title：Phytopathology

authors： Choi WB,Kang SH,Lee YW,Lee YH

更新日期：1998-01-01 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：: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：:Curly top in sugar beet continues to be a challenging disease to control in the western United States. To aid in development of host resistance and management options, the curtovirus species composition was investigated by sampling 246 commercial fields along with nursery and field trials in the western United States....

journal_title：Phytopathology

authors： Strausbaugh CA,Wintermantel WM,Gillen AM,Eujayl IA

更新日期：2008-11-01 00:00:00

abstract：:ABSTRACT A simple model has been developed to predict the onset of pseudothecia maturity and seasonal ascospore showers in relation to blackleg disease in canola, caused by the fungus Leptosphaeria maculans. The model considers a combination of two weather factors, daily mean temperature and daily total rainfall, to d...

journal_title：Phytopathology

authors： Salam MU,Khangura RK,Diggle AJ,Barbetti MJ

更新日期：2003-09-01 00:00:00

abstract：:Kiwifruit bleeding sap samples, collected in Italian and Chilean orchards from symptomatic and asymptomatic plants, were evaluated for the presence of Pseudomonas syringae pv. actinidiae, the causal agent of bacterial canker. The saps were sampled during the spring in both hemispheres, before the bud sprouting, during...

journal_title：Phytopathology

authors： Biondi E,Zamorano A,Vega E,Ardizzi S,Sitta D,De Salvador FR,Campos-Vargas R,Meneses C,Perez S,Bertaccini A,Fiore N

更新日期：2018-05-01 00:00:00

abstract：:Venturia effusa (syn. Fusicladium effusum), causal agent of pecan scab, is the most prevalent pathogen of pecan (Carya illinoinensis), causing severe yield losses in the southeastern United States. V. effusa is currently known only by its asexual (conidial) stage. However, the degree and distribution of genetic divers...

journal_title：Phytopathology

authors： Young CA,Bock CH,Charlton ND,Mattupalli C,Krom N,Bowen JK,Templeton M,Plummer KM,Wood BW

更新日期：2018-07-01 00:00:00

abstract：:ABSTRACT In the present work ectophosphatase activities of three trypanosomatid parasites of plants were characterized using intact cells. Phytomonas françai, Phytomonas mcgheei, and Herpetomonas sp. hydrolyzed p-nitro-phenylphosphate at a rate of 5.40, 7.28, and 25.58 nmol Pi/mg of protein per min, respectively. Expe...

journal_title：Phytopathology

authors： Dutra PM,Rodrigues CO,Romeiro A,Grillo LA,Dias FA,Attias M,De Souza W,Lopes AH,Meyer-Fernandes JR

更新日期：2000-09-01 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

authors： Pfender WF

更新日期：2004-03-01 00:00:00

abstract：:ABSTRACT The effect of the plant on the diversity of soilborne populations of Fusarium oxysporum was assessed after successive cultures of flax, melon, tomato, and wheat in separate samples of the same soil. Forty soil-borne isolates of F. oxysporum and forty root-colonizing isolates of each plant species were sampled...

journal_title：Phytopathology

authors： Edel V,Steinberg C,Gautheron N,Alabouvette C

更新日期：1997-07-01 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：:Plants have developed complex defense mechanisms to protect themselves against pathogens. A wide-host-range fungus, Austropuccinia psidii, which has caused severe damage to ecosystems and plantations worldwide, is a major threat to Australian ecosystems dominated by members of the family Myrtaceae. In particular, the ...

journal_title：Phytopathology

authors： Hsieh JF,Chuah A,Patel HR,Sandhu KS,Foley WJ,Külheim C

更新日期：2018-04-01 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

authors： McCallum BD,Tekauz A,Gilbert J

更新日期：2004-05-01 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

authors： Vasey RA,Scholes JD,Press MC

更新日期：2005-11-01 00:00:00

abstract：:The most economically important plant pathogens in the genus Pseudoperonospora (family Peronosporaceae) are Pseudoperonospora cubensis and P. humuli, causal agents of downy mildew on cucurbits and hop, respectively. Recently, P. humuli was reduced to a taxonomic synonym of P. cubensis based on internal transcribed spa...

journal_title：Phytopathology

authors： Mitchell MN,Ocamb CM,Grünwald NJ,Mancino LE,Gent DH

更新日期：2011-07-01 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

authors： Chen ZY,Brown RL,Damann KE,Cleveland TE

更新日期：2004-09-01 00:00:00

abstract：:ABSTRACT Pyrenophora teres, the causal agent of net blotch of barley (Hordeum vulgare L.), induces a combination of necrosis and extensive chlorosis in susceptible barley cultivars. Cell-free filtrates from both net and spot forms of P. teres; P. teres f. sp. teres, and P. teres f. sp. maculata were found to contain p...

journal_title：Phytopathology

authors： Sarpeleh A,Wallwork H,Catcheside DE,Tate ME,Able AJ

更新日期：2007-08-01 00:00:00

abstract：:Previously, oscillations in beet seedling damping-off by Pythium ultimum, measured as area under the disease progress curve (AUDPC), were demonstrated after incorporation of organic materials into organic and conventional soils. These periodic fluctuations of P. ultimum infections were cross-correlated with oscillatio...

journal_title：Phytopathology

authors： He M,Tian G,Semenov AM,van Bruggen AH

更新日期：2012-04-01 00:00:00

abstract：:Phacidiopycnis washingtonensis is the cause of speck rot of apple and leaf blight of Pacific madrone in Washington State. In total, 314 isolates were collected from apple production areas in eastern Washington and Pacific madrone in western Washington. Using eight microsatellite markers designed in this study, 58 uniq...

journal_title：Phytopathology

authors： Sikdar P,Mazzola M,Xiao CL

更新日期：2019-03-01 00:00:00

abstract：:Race Ug99 (TTKSK) of Puccinia graminis f. sp. tritici, detected in Uganda in 1998, has been recognized as a serious threat to food security because it possesses combined virulence to a large number of resistance genes found in current widely grown wheat (Triticum aestivum) varieties and germplasm, leading to its poten...

journal_title：Phytopathology

authors： Singh RP,Hodson DP,Jin Y,Lagudah ES,Ayliffe MA,Bhavani S,Rouse MN,Pretorius ZA,Szabo LJ,Huerta-Espino J,Basnet BR,Lan C,Hovmøller MS

更新日期：2015-07-01 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

authors： Campaña A,Pataky JK

更新日期：2005-01-01 00:00:00

abstract：:Barley is a host to Puccinia striiformis f. sp. hordei, and is an intermediate or near nonhost to the formae speciales adapted to wheat (P. striiformis f. sp. tritici) and to barley grass (P. striiformis f. sp. pseudo-hordei). The genetic basis of resistance to these forms of P. striiformis is not well understood. Acc...

journal_title：Phytopathology

authors： Haghdoust R,Singh D,Garnica DP,Park RF,Dracatos PM

更新日期：2018-05-01 00:00:00

abstract：:The root-knot nematode, Meloidogyne incognita, is among the most damaging agricultural pests, particularly to tomato. The mutualistic endophytes Fusarium oxysporum strain Fo162 (Fo162) and Rhizobium etli strain G12 (G12) have been shown to systemically induce resistance toward M. incognita. By using triple-split-root ...

journal_title：Phytopathology

authors： Martinuz A,Schouten A,Sikora RA

更新日期：2012-03-01 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

authors： Penman LN,Annis SL

更新日期：2005-10-01 00:00:00