Hypovirulence and Double-Stranded RNA in Botrytis cinerea.

abstract：:Fungicide resistance can cause disease control failure in agricultural systems, and is particularly concerning with Zymoseptoria tritici, the causal agent of Septoria tritici blotch of wheat. In North America, the first quinone outside inhibitor resistance in Z. tritici was discovered in the Willamette Valley of Orego...

journal_title：Phytopathology

authors： Hagerty CH,Anderson NP,Mundt CC

更新日期：2017-03-01 00:00:00

abstract：:ABSTRACT Sweet pepper-Leveillula taurica microclimate relations were studied under controlled conditions and in commercial greenhouses. Conidial germination occurred at 10 to 37 degrees C and was optimal at 20 degrees C. Conidial viability declined as temperatures increased to 40 degrees C for 6 h. Leaf colonization w...

journal_title：Phytopathology

authors： Elad Y,Messika Y,Brand M,David DR,Sztejnberg A

更新日期：2007-07-01 00:00:00

abstract：:The genetic variability of a Cucurbit aphid-borne yellows virus (CABYV) (genus Polerovirus, family Luteoviridae) population was evaluated by determining the nucleotide sequences of two genomic regions of CABYV isolates collected in open-field melon and squash crops during three consecutive years in Murcia (southeaster...

journal_title：Phytopathology

authors： Kassem MA,Juarez M,Gómez P,Mengual CM,Sempere RN,Plaza M,Elena SF,Moreno A,Fereres A,Aranda MA

更新日期：2013-11-01 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：:ABSTRACT It has been speculated that the N-terminal half of the readthrough domain (RTD) encoded by open reading frame 5 of Soybean dwarf virus (SbDV) is related to the vector specificity. To further investigate this hypothesis, transmissibility via aphids was tested on 17 SbDV isolates and comparisons of the deduced ...

journal_title：Phytopathology

authors： Terauchi H,Honda K,Yamagishi N,Kanematsu S,Ishiguro K,Hidaka S

更新日期：2003-12-01 00:00:00

abstract：:ABSTRACT Three polymerase chain reaction (PCR) techniques-standard PCR (Std-PCR), direct-binding PCR (DB-PCR), and immunocapture PCR (IC-PCR)-using degenerate primers were optimized and evaluated for the detection of begomoviruses. Tomato leaf samples were ground in three different extraction buffers and subjected to ...

journal_title：Phytopathology

authors： Rampersad SN,Umaharan P

更新日期：2003-09-01 00:00:00

abstract：:ABSTRACT Citrus Huanglongbing (HLB) is one of the most devastating diseases of citrus worldwide. The causal agent of HLB in Florida is thought to be 'Candidatus Liberibacter asiaticus'. In this work, we examined the responses of 30 different genotypes of citrus to Florida isolates of 'Ca. L. asiaticus' under controlle...

journal_title：Phytopathology

authors： Folimonova SY,Robertson CJ,Garnsey SM,Gowda S,Dawson WO

更新日期：2009-12-01 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：:Bacterial leaf streak (BLS) of wheat, caused by Xanthomonas translucens pv. undulosa, has been a notable disease in Minnesota wheat fields over the past decade. Potential sources of the pathogen include infested seed and crop debris. Perennial weeds are also considered a possible inoculum source, but no surveys have b...

journal_title：Phytopathology

authors： Ledman KE,Curland RD,Ishimaru C,Dill-Macky R

更新日期：2020-11-23 00:00:00

abstract：:Xanthomonads were detected by using the Xan-D(CCF) medium from the brassica seeds, and their pathogenicity was determined by plant inoculation tests. It was found that some seed lots were infested with Xanthomonas campestris pv. campestris, some with X. campestris pv. raphani, and some with nonpathogenic xanthomonads....

journal_title：Phytopathology

authors： Lee YA,Yang PY,Huang SC

更新日期：2020-05-01 00:00:00

abstract：:To support the search for alternative, non-chemical plant disease control strategies, we present a review of the pathogen-suppressive effects of biochar, a product derived from agricultural and other organic wastes, used as a soil amendment. A wide range of biochar effects contribute to the control of root or foliar f...

journal_title：Phytopathology

authors： Poveda J,Martínez Gómez Á,Fenoll C,Escobar C

更新日期：2021-02-02 00:00:00

abstract：:Lysobacter enzymogenes strain C3 (LeC3) is a potential biocontrol agent for plant diseases caused by fungi and oomycetes. Understanding the interaction between LeC3 and soybean pathogens at the molecular level could help improve its biocontrol efficacy. In this study, we obtained mutants with decreased abilities in in...

journal_title：Phytopathology

authors： Yu M,Zhang G,Jiang J,Du L,Zhao Y

更新日期：2020-03-01 00:00:00

abstract：:ABSTRACT Culture filtrates of a pathogenic isolate (IT37) of Stemphylium vesicarium, causing brown spot of European pear, induced veinal necrosis only on pear leaves susceptible to the pathogen. Two host-specific toxins, SV-toxins I and II, were purified from culture filtrates of IT37 by successively using Amberlite X...

journal_title：Phytopathology

authors： Singh P,Bugiani R,Cavanni P,Nakajima H,Kodama M,Otani H,Kohmoto K

更新日期：1999-10-01 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：: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：:Potato late blight, caused by the oomycete phytopathogen Phytophthora infestans, is a devastating disease found in potato-growing regions worldwide. Long-term management strategies to control late blight include the incorporation of host resistance to predominant strains. However, due to rapid genetic changes within p...

journal_title：Phytopathology

authors： Khiutti A,Spooner DM,Jansky SH,Halterman DA

更新日期：2015-09-01 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：:ABSTRACT The comovirus Bean pod mottle virus (BPMV) is widespread in the soybean-growing regions in the United States. It has a bipartite genome consisting of RNA1 and RNA2, which are encapsidated separately. We previously have reported the occurrence in nature of two distinct subgroups of BPMV strains (subgroups I an...

journal_title：Phytopathology

authors： Gu H,Zhang C,Ghabrial SA

更新日期：2007-01-01 00:00:00

abstract：:Stalk rot is one of the most serious and widespread diseases in maize, and effective control measures are currently lacking. Therefore, this study aimed to develop a new biological agent to manage this disease. An antagonistic bacterial strain, TA-1, was isolated from rhizosphere soil and identified as Bacillus methyl...

journal_title：Phytopathology

authors： Cheng X,Ji X,Ge Y,Li J,Qi W,Qiao K

更新日期：2019-04-01 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：:β-Tubulin is the target of benzimidazole fungicides, the most widely used of which is carbendazim (methyl benzimidazol-2-ylcarbamate [MBC]). MBC sensitivity is determined by the differential affinity of MBC for β-tubulins. However, the mechanism of less sensitivity of Fusarium graminearum to MBC compared with other fu...

journal_title：Phytopathology

authors： Zhu Y,Liang X,Li Y,Duan Y,Zheng Z,Wang J,Zhou M

更新日期：2018-03-01 00:00:00

abstract：:ABSTRACT Leptosphaeria maculans causes blackleg of oilseed rape. Gene-for-gene interactions between race PG3 and Brassica napus cv. Quinta were related to interaction between the fungal avirulence (Avr) gene AvrLm1 and the corresponding resistance gene Rlm1. AvrLm1 isolates were aviru-lent on cvs. Doublol, Vivol, Colu...

journal_title：Phytopathology

authors： Balesdent MH,Attard A,Ansan-Melayah D,Delourme R,Renard M,Rouxel T

更新日期：2001-01-01 00:00:00

abstract：:ABSTRACT Locations of silicon accumulation in rice leaves and its possible association with resistance to rice blast were investigated by electron microscopy and X-ray microanalysis. A blast-susceptible cultivar, Jinmi, and a partially resistant cultivar, Hwaseong, were grown under a hydroponic culture system with mod...

journal_title：Phytopathology

authors： Kim SG,Kim KW,Park EW,Choi D

更新日期：2002-10-01 00:00:00

abstract：:Yellows diseases, caused by phytopathogenic bacteria of the genus Phytoplasma, are a major threat to grapevines worldwide. Because conventional applications against this pathogen are inefficient and disease management is highly challenging, the use of beneficial bacteria has been suggested as a biocontrol solution. A ...

journal_title：Phytopathology

authors： Iasur-Kruh L,Zahavi T,Barkai R,Freilich S,Zchori-Fein E,Naor V

更新日期：2018-03-01 00:00:00

abstract：:Cyclophilins (EC 5.2.1.8) belong to a subgroup of proteins known as immunophilins, which also include FK506-binding proteins and parvulins. Members of the immunophilins have two main characteristic properties: (i) peptidyl-prolyl cis-trans isomerase activity and (ii) the ability to bind immunosuppressant molecules of ...

journal_title：Phytopathology

authors： Singh K,Winter M,Zouhar M,Ryšánek P

更新日期：2018-01-01 00:00:00

abstract：:The root-lesion nematode Pratylenchus thornei is a major pathogen of wheat (Triticum aestivum) in many regions globally. Resistance of wheat genotypes to P. thornei can be determined from final nematode population densities in glasshouse experiments but combining results across multiple experiments presents challenges...

journal_title：Phytopathology

authors： Thompson JP,Sheedy JG,Robinson NA

更新日期：2020-02-01 00:00:00

abstract：:ABSTRACT Leaf rust and stripe rust, caused by Puccinia triticina and P. striiformis, respectively, are important diseases of wheat in many countries. In this study we sought to identify molecular markers for adult plant resistance genes that could aid in incorporating such durable resistance into wheat. We used a doub...

journal_title：Phytopathology

authors： Suenaga K,Singh RP,Huerta-Espino J,William HM

更新日期：2003-07-01 00:00:00

abstract：:The importance of sexual recombination in determining fungal population structure cannot be inferred solely from the relative abundance of sexual and asexual spores and reproductive structures. To complement a previously reported study of proportions of Mycosphaerella graminicola ascocarps and pycnidia, we investigate...

journal_title：Phytopathology

authors： Cowger C,Brunner PC,Mundt CC

更新日期：2008-07-01 00:00:00

abstract：:Blast, caused by Pyricularia oryzae, has become an economically important disease in wheat in Brazil, but little effort has been devoted to understanding the wheat-P. oryzae interaction. This study was intended to determine the effects of P. oryzae infection on the photosynthetic process in wheat plants using a suscep...

journal_title：Phytopathology

authors： Debona D,Rodrigues FÁ,Rios JA,Martins SC,Pereira LF,DaMatta FM

更新日期：2014-01-01 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

authors： Nie X

更新日期：2006-03-01 00:00:00