JOURNAL OF PLANT PATHOLOGY (J PLANT PATHOL)
The Journal of Plant Pathology (JPP) is the international journal of the Italian Phytopathological Society (S.I.Pa.V), covering fundamental and applied aspects of plant pathology. JPP will publish original contribution written in English, in the form of full-lenght papers, short communication, disease notes, and review articles on mycology, bacteriology, virology, physiological plant pathology, plant-parasite interactions, post-harvest diseases, non infectious diseases, and plant protection. All contributions will be peer reviewed under the supervision of an international Editorial Board. JPP is published quarterly.
Current impact factor: 1.04
Impact Factor Rankings
|2016 Impact Factor||Available summer 2017|
|2014 / 2015 Impact Factor||1.043|
|2013 Impact Factor||0.768|
|2012 Impact Factor||0.688|
|2011 Impact Factor||0.912|
|2010 Impact Factor||1.054|
|2009 Impact Factor||0.974|
|2008 Impact Factor||0.786|
|2007 Impact Factor||0.974|
|2006 Impact Factor||0.783|
|2005 Impact Factor||0.647|
|2004 Impact Factor||0.586|
Impact factor over time
|Website||Journal of Plant Pathology website|
|Material type||Periodical, Internet resource|
|Document type||Journal / Magazine / Newspaper, Internet Resource|
Publications in this journal
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ABSTRACT: Fig leaf mottle-associated virus 3 (FLMaV-3) is a putative member of the family Closteroviridae that has been found in fig mosaic disease (FMD) affected fig trees in Turkey (Elci et al., 2012). In May 2014, outdoor fig gardens in Mazandaran province (north of Iran) with FMD symptoms such as leaf mottling and systemic mosaic on young leaves were surveyed and 20 samples were collected from ten fig gardens. Total RNAs was extracted from all twenty samples and healthy fig leaves and used in RTPCR with primer pair FLMaV-3s F (5’-CTGTATCTGTCATTACCTCTTCGGG-3’) and FLMaV-3as R (5’-CTGTATCTGTCATTACCTCTTCGGG-3’) designed to amplify part of the heat shock protein 70 homologue (HSP70h) gene of FLMaV-3 (GenBank accession No. EF654103). The expected 375 bp DNA fragment was amplified from one fig sample but not from the others. The DNA amplicon was purified and cloned into pTZ57R/T (MBI Fermentas, Germany) and sequenced. The corresponding sequence of the partial HSP70h gene was deposited in GenBank under accession No. KM516760. BLAST analysis showed that the sequence of the Iranian FLMaV-3 isolate had 96% and 100% identity with an isolate from the USA (GenBank accession No. EF654103) at the nucleotide and amino acid levels, respectively. Various viruses belonging to different genera have been reported in fig trees in Iran (Shahmirzaie et al., 2012; Nouri Ale-Agha and Rakhshandehroo, 2013; Danesh-Amuz et al., 2014), however, to our knowledge, this is the first report of FLMaV-3 naturally infecting fig in Iran.
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ABSTRACT: Bacterial wilt of sweet pepper, caused by Ralstonia solanacearum (Rs) race 1, is a limiting disease in northern and northeastern Brazil. The present study evaluated the effect of silicon (Si) on the disease in the sweet pepper cv. Enterprise, which was grown in a substrate containing 0.00, 0.25, 0.50, 1.50, or 3.00 g SiO2 kg(-1) and was subsequently transplanted into soil infested with Rs CGM-8. The following variables were evaluated: latency period (LP50); incidence; bacterial wilt index (BWI); area under the disease progress curve (AUDPC); biomass; accumulation of Ca+2, Mg+2, and Si; total protein and enzymatic activity; chemical characteristics of the substrate; and in vitro bacterial growth. A dose of 2.95 g Si kg(-1) substrate increased the LP50 (33.6%) and reduced the BWI (98%) and AUDPC (93.7%); this treatment also increased Ca+2 levels in the shoots and reduced Mg+2 levels in the shoots and the roots. Supplementation with various doses of Si yielded maximum increases in the shoot fresh biomass (121.8%), the root fresh biomass (83.6%), and the shoot dry biomass (84.9%); increased the concentrations of total protein, catalase, ascorbate peroxidase, and chitinase; caused the accumulation of Si in the shoots and substrate; increased the pH, Na+, and K+; and decreased P in the substrate. The putative mechanisms of action of Si included a direct effect on colonization of the pathogen, an indirect effect on the plant development, increased Ca+2 absorption, and signaled for the production of plant defence enzymes. Therefore, the production of sweet pepper seedlings in a substrate containing calcium silicate (2.95 g SiO2 kg(-1)) could be utilized as an alternative cultivation practice for the management of bacterial wilt disease. More research is needed to elucidate the exact mechanisms of silicon and its effects on latent infections and on bacterial cells and population.
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ABSTRACT: The seasonal acquisition pattern of Grapevine leafrollassociated virus 1 (GLRaV-1) and Grapevine leafroll-associated virus 3 (GLRaV-3) by the grape mealybug, Pseudococcus maritimus (Erhorn), was determined over two consecutive years in a leafroll-diseased vineyard in the Finger Lakes region of New York. Groups of 1-15 immature mealybugs (1st, 2nd or 3rd instars), adults or eggs were collected from April to November on 20 selected vines infected with GLRaV-1 and/or GLRaV-3. Results of RT-PCR using specific primers were consistent with a preferential virus acquisition by overwintered, 1st instar nymphs in April and May (87%, 45 of 52) followed by summer generation immature mealybugs in July (82%, 28 of 34). Crawlers collected on or near ovisacs in September (100%, 12 of 12) were aviruliferous and eggs collected in June (100%, 250 of 250) as well as crawlers hatching from eggs (100%, 51 of 51) tested negative for the two target viruses in RT-PCR. Importantly, crawlers collected in the vineyard at bud swell in April transmitted GLRaV-1 to healthy grapevines in a greenhouse. These findings suggest that disease management strategies designed to mitigate leafroll spread by reducing vector populations should target overwintered crawlers and second instar crawlers at a very early grapevine development stage, i.e. from bud swell to bloom, as well as the summer generation crawlers later in mid-summer.
Data provided are for informational purposes only. Although carefully collected, accuracy cannot be guaranteed. The impact factor represents a rough estimation of the journal's impact factor and does not reflect the actual current impact factor. Publisher conditions are provided by RoMEO. Differing provisions from the publisher's actual policy or licence agreement may be applicable.