An update on the occurrence of nematodes belonging to the genus<i>Bursaphelenchus</i>in the Mediterranean area

d’Errico, Giada; Carletti, Beatrice; Schröder, Thomas; Mota, Manuel; Vieira, Paulo; Roversi, Pio Federico

doi:10.1093/forestry/cpv028

Cited by 22 publications

(18 citation statements)

References 63 publications

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“…The particular association of B. sexdentati with O. erosus has been reported in Portugal and Italy (d'Errico et al., ), but not exclusively, as this nematode has also been found in association with other bark beetles, such as Ips sexdentatus Borner and Tomicus pineperda L. On the other hand, O. erosus also reveals a generalist association with other Bursaphelenchus spp., such as B. erosus Kurashvili, Kakulia & Devdariani, 1980, B. fuchsi Kruglik & Eroshenko, 2004, B. fungivorous Franklin & Hooper, 1962 and B. minutus Walia, Negi, Bajaj & Kalia, 2003.…”

Section: Resultsmentioning

confidence: 80%

“…Whereas B. sexdentati type I is found mainly in Central European countries (e.g., Germany, Switzerland), B. sexdentati type II has a southern European distribution (e.g., Cyprus, Greece, Portugal, Spain), like the isolate found in Israel. In Mediterranean regions, B. sexdentati has been recurrently found associated with pine trees colonized by bark beetles (e.g., P. brutia, P. halepensis, Pinus nigra Arnold , Pinus pinea L. , Pinus pinaster Aiton, Pinus radiata Don and Pinus sylvestris L.) (d'Errico et al., ).…”

Section: Resultsmentioning

confidence: 99%

“…These efforts revealed a wide range of Bursaphelenchus spp. associated with Mediterranean pine forests (d'Errico et al., ).…”

Section: Introductionmentioning

confidence: 99%

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First report onBursaphelenchus sexdentati(Nematoda: Aphelenchoididae) in Israel

et al. 2018

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Summary This is the first report and characterization of Bursaphelenchus sexdentati and the first official report of the presence of the genus Bursaphelenchus in Israel. This species was isolated from Orthotomicus erosus (Coleoptera: Scolytinae) found on Pinus halepensis in the Judean foothills in Israel. Nematodes collected from insect galleries were reared on fungal cultures and identified based on morphological diagnostic characters for the genus Bursaphelenchus. Sequencing analyses of the Internal Transcribed Spacer (ITS) region, small subunit (SSU) and large subunit (LSU) of ribosomal DNA confirmed the identification of this nematode species collected from wood and directly from the insect body.

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Section: Resultsmentioning

confidence: 80%

Section: Resultsmentioning

confidence: 99%

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First report onBursaphelenchus sexdentati(Nematoda: Aphelenchoididae) in Israel

et al. 2018

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“…France; Italy; Switzerland; Vietnam Lieutier & Laumond, 1978;Polomski et al, 2006;Carletti, 2008;, d'Errico et al, 2015 (review) Thorne, 1935;Massey, 1956Massey, , 1974Kaisa, 2003 Braasch et al, 2004;Gu, Braasch, Burgermeister, & Zhang, 2006;Polomski et al, 2006;Akbulut, Vieira, et al, 2008a;Akbulut, Elekcioglu, & Keten, 2008b;Anon, 2010;Dayi & Akbulut, 2012;Toth & Elekes, 2013;Marek et al, 2014;d'Errico et al, 2015. TA B L E 4 (Continued)…”

Section: Ips Sexdentatus (Boerner)mentioning

confidence: 99%

Report of Bursaphelenchus crenati Rühm, 1956 (Nematoda: Parasitaphelenchinae) from Belarus and Russia with a diagnostic key and phylogeny of the Sexdentati group

et al. 2019

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The endoparasitic nematode, Bursaphelenchus crenati, in beetle tunnels of Hylesinus crenatus from the ash Fraxinus excelsior L. with signs of ash dieback, is recorded for the first time in Central Russia and Belarus. Third‐stage dauer juveniles were extracted from the bark beetle, H. crenatus, and cultured on Botrytis cinerea. Morphological, morphometric and molecular analyses of these populations are presented here. Some morphological differences of dauers and adults were found between Belarusian and Russian populations, which may be attributed to seasonal variations. For description of new Bursaphelenchus species, it is recommended to indicate not only the number of lateral incisures but also the number of bands. Recommendations are made to classify the male caudal papillae of Bursaphelenchus into two groups: papilliform and gland papillae with separate numerals. Emended diagnosis, tabular diagnostic polytomous key for the species of Sexdentati group with lists of their vectors and plants, is given. Phylogenetic relationships between some species of the Sexdentati group are also presented based on the analysis of partial 18S, ITS and 28S rRNA gene sequences.

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“…Insects that are secondary pests of forest trees can serve as an example, as climate warming contributes to increasing the number of their generations emerging in the year (Öhrn 2012). On the other hand, high air temperatures (over 30 o C) can negatively affect population dynamics by limiting insect fertility and feeding activity (Christiansen and Bakke 1968;Wermelinger and Seifert 1998). Extreme air temperatures can have indirect effects on insect population numbers, such as decreased biological activity of natural enemies, in particular pathogenic bacteria, viruses, fungi and nematodes (Lacey et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Current Problems and Tasks of Forest Protection in Poland

Skrzecz

Perlińska

2018

Folia Forestalia Polonica

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Current problems of forest protection concern the declining health of forest stands due to climate change and the resulting extreme weather events such as heat waves, droughts, hurricane winds, heavy rainfalls and floods. Repeated impacts of these factors increase susceptibility of forest stands to pest insects and fungal pathogens. Norway spruce (Picea abies [L.] H. Karst) is sensitive to high air temperatures and water shortage. Long lasting droughts during the last two decades, have been one of the reasons behind Norway spruce dieback due to severe outbreak of European spruce bark beetle Ips typographus (L.) in the mountainous regions of southern Poland. In the Scots pine (Pinus sylvestris L.) stands, water balance disorders have enhanced the colonization of weekend trees by steelblue jewel beetle Phaenops cyanea (F.) and engraver beetle Ips acuminatus (Gyll.), as well as contributed to the spread of fungal diseases caused by Gremmeniella abietina (Lagerb.) Cenangium ferruginosum Fr. and Sphaeropsis sapinea Fr. fungi. Water related stress leads to weakening of oak stands, which are attacked by Agrilus spp. beetles and pathogens from the genus Phytophthora. It is possible that long lasting droughts initiated the spread of infectious ash disease caused by Hymenoscyphus fraxineus (= Chalara fraxinea), which resulted in the epidemic of ash dieback throughout Europe. Until recently, the use of plant protection products was the most common method of forest protection against pest insects and pathogens. Poland’s accession to the European Union has affected the marketing and use of plant protection products in the country. The implementation of the EU legislation (Directive 91/414/EEC, Directive 2009/128/ EC and Regulation No 1107/2009) has resulted in decreased assortment of pesticides registered for the protection of forests. High costs and long registration process considerably limited the interest of producers in placing the plant protection products on the market. Systematic decrease in the number of plant protection products possible to register for use in forestry, as well as the principles of integrated plant protection established in the EU in 2014 call for seeking plant protection methods based on the natural enemies of pests, such as pathogenic microorganisms, parasites and predators. Therefore, contemporary forest protection requires the advancement of integrated methods for pest insect and disease control through developing methods of forecasting forest dangers, the use of natural enemies and agro-technical methods for regulation of pests, as well as the development of decision support systems as a tool facilitating introduction of integrated forest protection principles. Such support systems help to establish optimal terms for the implementation of protection measures, so as to increase their efficiency while limiting the use of chemical pesticides to an absolute minimum.

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An update on the occurrence of nematodes belonging to the genusBursaphelenchusin the Mediterranean area

Cited by 22 publications

References 63 publications

First report onBursaphelenchus sexdentati(Nematoda: Aphelenchoididae) in Israel

First report onBursaphelenchus sexdentati(Nematoda: Aphelenchoididae) in Israel

Report of Bursaphelenchus crenati Rühm, 1956 (Nematoda: Parasitaphelenchinae) from Belarus and Russia with a diagnostic key and phylogeny of the Sexdentati group

Current Problems and Tasks of Forest Protection in Poland

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