Yesterday I visited a stand on the Clearwater NF where it appears that H. irregulare is killing ponderosa and lodgepole pine. Expanding infection centers of pole to mature pines around large resinous pine stumps that look like they are about 50 years since cutting, pine decay, white/tan ectotrophic mycelium on roots of affected pines while Douglas-fir and grand fir ingrowth are unaffected by root disease fits well with this guess. I could not find any conks but will be attempting some isolations from the wood and ectotrophic mycelium to see what comes out.
The district silviculturist had been planning a regeneration harvest and regenerating by planting western larch/western white pine. Does anyone have any recent references on which Heterobasidion species and what severity can be expected on western white pine? I seem to recall that western white can act differently than hard pines but I haven't been able to pull much information together yet.
Thanks!
[Forest Service Shield]
Paul Zambino, PhD
Plant Pathologist
Forest Service
Region 1 Forest Health Protection, Coeur d'Alene Field Office
p: 208-765-7493
c: 208-446-4251
f: 208-765-7307
pzambino(a)fs.fed.us<mailto:pzambino@fs.fed.us>
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---------- Weitergeleitete Nachricht ----------
From: iufro2015 < <mailto:iufro2015@sdu.edu.tr> iufro2015(a)sdu.edu.tr>
To: " <mailto:div7@lists.iufro.org> div7(a)lists.iufro.org" < <mailto:div7@lists.iufro.org> div7(a)lists.iufro.org>
Date: Wed, 4 Mar 2015 12:29:42 +0000
Subject: IUFRO-Working Party 7.02.01 “Root and Butt rot of Forest Trees"
Dear colleagues,
We added some more information to our webpage! You are welcome to have a look...
http://ormanweb.sdu.edu.tr/iufro2015/
Kind regards!
On the behalf of organising comittee
Dear Colleagues -
Katherine Tubby is asking if there are any recent observations of problems with sycamore (Platanus) in the USA??
There are reports in the literature of Splanchnonema platani, the cause of Massaria disease, but please let me and Kath know if you are familiar with any work in the USA in last 20 years. (The pathogen used to be called Macrodiplodiopsis desmazieresii/Massaria platani.)
She is also interested in US reports of Ceratocystis platani.
Info on Massaria and other sycamore problems in the UK may be found at http://www.forestry.gov.uk/fr/infd-8tvbq4
Katherine's contact info:
Dr Kath Tubby, Forest pathologist, Forest Research, Alice Holt Lodge, Farnham, Surrey (Katherine.Tubby(a)forestry.gsi.gov.uk<mailto:Katherine.Tubby@forestry.gsi.gov.uk>).
- Susan
[Forest Service Shield]
Susan Frankel
Plant Pathologist
Forest Service
Pacific Southwest Research Station
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f: 510-559-6440
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For planning purposes, if interested attending, please send an email to
Veronique JORGE (Veronique.Jorge(a)orleans.inra.fr<mailto:Veronique.Jorge@orleans.inra.fr>)
Arnaud DOWKIW (Arnaud.Dowkiw(a)orleans.inra.fr)
**Please pass along to those that work with resistance and Tree-Parasite Interactions
Also, if your group would like to be a Sponsor, see website for details
Genetic Resistance to Diseases and Insects in Forest Trees Workshop 2015
5th International Workshop on the Genetics of Tree-Parasite Interactions
Hello!
At the 2011 excellent workshop in Eugene, Oregon (proceedings at http://www.fs.fed.us/psw/publications/documents/psw_gtr240/)
it was decided to have the next international workshop on this topic in France.
the 5th International Workshop on the Genetics of Tree-Parasite Interactions
that will be held in Orléans, France, from 23 to 28 August 2015.
Please see the email from Arnaud Dowkiw (below) for some details and the website:
https://colloque.inra.fr/tree-parasite-interactions2015
This important topic is even more relevant today, as several additional insect and disease epidemics have taken place.
Also, note – there may be some funding available for 1 or 2 scientists: some of the requirements (see website for details):
· Scientists from developing countries (according to World Bank List of Economies: low income countries and lower middle income countries (http://data.worldbank.org/country)
· Preference given to scientists working in IUFRO member institutions
We hope to see you in France for the talks, the discussions, and the continued friendships and collaborations.
Best regards,
Richard
IUFRO 2.02.15 Coordinator
[Forest Service Shield]
Richard A. Sniezko, PhD
Center Geneticist
Forest Service
Dorena Genetic Resource Center
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c: 541-954-6793
f: 541-767-5709
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From: Arnaud Dowkiw [mailto:Arnaud.Dowkiw@orleans.inra.fr]
Sent: Tuesday, January 27, 2015 10:06 AM
Subject: You have expressed interest in attending the 5th Tree-Parasite Interactions Congress in Orleans - France
Dear Colleague,
You have expressed interest in attending the 5th International Symposium on the Genetics of Tree-Parasite Interactions that will be held in Orléans, France, from 23 to 28 August 2015.
We know that there are many other scientific meetings that you could attend in 2015, but YOU selected the best one :-)
For those who experienced the previous editions of this workshop, you know that they are always very interesting, very rich, not only because of the diversity of the attendees (phytopathologists, breeders, entomologists, physiologists, evolutionary biologists ...) but also because they are always organized in a way that most of the attendees have an oportunity to present their work and in a format that fosters discussions.
Also, compared to many other meetings, the registration fees are not so high. It is 600 € for early bird registration (1 April) and only 500 € for graduate students. These fees include all the meals (lunches + diners) + field tour and conference diner.
Last but not least, some of you are project leaders, group coordinators or in the process of building a project. We have negociated some extra free meeting rooms where you will be able to gather your troops, so think seriously about this opportunity.
Now is time to think seriously about confirming your participation to this event ! There is a brand new website waiting for you with lots of information to help you organize your trip and your presentation :
https://colloque.inra.fr/tree-parasite-interactions2015
Although registrations to the meeting will open 2nd of February, online abstract registration is now open !
Please circulate this information around you and think about other colleagues or students in your lab who maybe interested (think also that France still is a good place for summer holidays, either before or after the meeting !!).
[cid:part1.08000603.02070607@orleans.inra.fr]
We look forward to seeing you in Orleans !
The local organizing team
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This is the first announcement of the upcoming IUFRO –Workshop Division 7, Unit 7.02.04 on viruses and phytoplasma of forest and urban trees on 25th of August 2015
The workshop will be held within the XVIII. International Plant Protection Congress (IPPC) 2015, 24.08. - 27.08.2015 in the Henry Ford Building, Garystraße 35, 14195 Berlin,
Please note:
Proposals for the workshop and abstract submission are invited by 1st April 2015.
Dear Colleagues and friends,
we invite you to take part in the 3rd meeting and workshop of Unit 7.02.04 on viruses and phytoplasma of forest and urban trees held in the evening of
25th of August, 19.00-22.00, Henry Ford Building, Garystraße 35, 14195 Berlin ( <http://www.fu-berlin.de/> www.fu-berlin.de)
The focus will be on all issues of virus and phytoplasma diseases of forest and urban trees. The topic of the meeting will bring innovative developments, methods and ideas, new viruses and risk assessment and management together.
Any presentation or comments on the following keywords are welcome:
· monitoring, visual survey,
· detection tools, detection steps,
· known pathogens, unknown agents,
· risk assessment and control
· epidemiological and ecological evidence, pathogen transmission,
· economic importance, seed quality, seedling quality, wood quality
· certification of seeds and plants
Participants will have the option to take part in the XVIII. International Plant Protection Congress (IPPC) 2015, from 24.08. - 27.08.2015 in the Henry Ford Building, Berlin, Garystraße 35. For further information and accommodation, please, see the website
<http://dpg.phytomedizin.org/de/xviii-international-plant-protection-congres…> http://dpg.phytomedizin.org/de/xviii-international-plant-protection-congres…
We look forward to hearing from all researchers/workers in the field of viruses and phytoplasma. Please feel free to forward this email to any of your colleagues and/or associates who might also be interested in attending.
<http://dpg.phytomedizin.org/de/xviii-international-plant-protection-congres…> http://dpg.phytomedizin.org/de/xviii-international-plant-protection-congres…
Please, feel free to contact us with any questions and comments.
Prof. Dr. Carmen Buettner
husiegel_bw_klein Humboldt-Universität zu Berlin
Devision Phytomedicine
Lentzeallee 55/57
14195 Berlin, Germany
Email: <mailto:carmen.buettner@agrar.hu-berlin.de> carmen.buettner(a)agrar.hu-berlin.de
Phone: +49-30-209346444/45
Telefax: 030 2093 46450
Dr. Dr. Risto Jalkanen
Natural Resources Institute Finland (Luke)
Rovaniemi Unit
Luonnonvarakeskus (Luke), Rovaniemen toimintayksikkö
PO Box 16, 96301 Rovaniemi, Finland
Email: <mailto:risto.jalkanen@luke.fi> risto.jalkanen(a)luke.fi
Phone: +358-29-5324430
Dr. Falko Feldmann
Logo der DPG (2011) IPPC Congress managing director
and managing director, German Phytopathological Society
Messeweg 11-12, 33104 Braunschweig
Email: <mailto:Feldmann@phytomedizin.org> Feldmann(a)phytomedizin.org
Phone: +49-531-2993213
Dear colleagues and friends,
This is the second announcement of the upcoming IUFRO (International Union of Forest Research Organizations) All Division 7 Conference, "Global Change and Forest Health".
The conference will be held at the University of Istanbul in Istanbul, Turkey, on 25-29 April 2016.
Please note:
Proposals for sessions and symposia are invited by 31 May 2015. We kindly invite you to propose a session to this exciting global event.
Abstract submission will be available from 1 July to 30 November 2015.
Please check the web page www.foresthealth2016.com<http://www.foresthealth2016.com> for details, to subscribe to information updates, and/or to submit a session proposal.
The main conference topics are, in the context of global change and forest health:
· climate change,
· biological invasions,
· air pollution,
· forest pathology,
· forest entomology,
· and their interactions
Feel free to contact us with any questions and comments.
Kind regards
Yusuf Serengil
Faculty of Forestry, Istanbul University - Turkey
Coordinator IUFRO Working Party WP 7.01.08
Local Organizer, Conference Scientific and Organizing Committees
serengil(a)istanbul.edu.tr<mailto:serengil@istanbul.edu.tr>, yserengil(a)yahoo.com<mailto:yserengil@yahoo.com>
Eckehard Brockerhoff
Scion (New Zealand Forest Research Institute) and
University of Canterbury, School of Biological Sciences - New Zealand
Coordinator IUFRO Division 7, Forest Health
Member of the Conference Scientific Committee
eckehard.brockerhoff(a)scionresearch.com<mailto:eckehard.brockerhoff@scionresearch.com>
Elena Paoletti
National Research Council
Sustainable Plant Protection Institute - Italy
Coordinator IUFRO RG 7.1, Impacts of Air Pollution and Climate Change on Forest Ecosystems
Member of the Conference Scientific Committee
elena.paoletti(a)cnr.it<mailto:elena.paoletti@cnr.it>
Jolanda Roux
Tree Pathology Co-operative Programme (TPCP)
Forestry and Agricultural Biotechnology Institute - South Africa
Coordinator IUFRO RG 7.2, Pathology
Member of the Conference Scientific Committee
Jolanda.Roux(a)up.ac.za<mailto:Jolanda.Roux@up.ac.za>
Andrew (Sandy) Liebhold
US Forest Service
Northern Research Station - USA
Coordinator IUFRO RG 7.3, Entomology
Member of the Conference Scientific Committee
aliebhold(a)gmail.com<mailto:aliebhold@gmail.com>, aliebhold(a)fs.fed.us<mailto:aliebhold@fs.fed.us>
Andrzej Bytnerowicz
US Forest Service
Pacific Southwest Research Station - USA
Deputy Coordinator IUFRO RG 7.1, Impacts of Air Pollution and Climate Change on Forest Ecosystems
Member of the Conference Scientific Committee
abytnerowicz(a)fs.fed.us<mailto:abytnerowicz@fs.fed.us>
________________________________
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With the reduced availability of Benlate fungicide our lab is seeking other options for a selective medium for isolating basidiomycete cultures (unlike many other fungal groups, basidiomycetes are able to grow in the presence of the added active ingredient, benomyl).
I would be pleased to hear what media other laboratories may be currently using to isolate basidiomycte fungi and what people may think of their effectiveness.
____________________________
Ian Hood
Forest Protection Scientist
Scion (NZ Forest Research Inst. Ltd.)
49 Sala Street, Private Bag 3020, Rotorua 3046, New Zealand
DDI +64 7 343 5538
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Many thanks to all who responded to my inquiry last week about what additives people are currently using in media for isolating basidiomycete fungi, in view of the reduced availability of benomyl. There is a lot to think about in your replies which will be very helpful as we work out where we are headed in our own lab.
A number of those who replied requested that I circulate the email feedback for everyone's benefit, so I have collated all the relevant segments and pasted them below in rough categories. I have also attached and referenced several files that two people sent. If anyone else responds separately I will circulate the email directly, if it is not already distributed on the ForPath mailing list. Regards, Ian H.
------------------------------------------------------------------------------------------------------------------------
Original email query:
"With the reduced availability of Benlate fungicide our lab is seeking other options for a selective medium for isolating basidiomycete cultures (unlike many other fungal groups, basidiomycetes are able to grow in the presence of the added active ingredient, benomyl).
"I would be pleased to hear what media other laboratories may be currently using to isolate basidiomycte fungi and what people may think of their effectiveness". - Ian H (30 Jan.).
------------------------------------------------------------------------------------------------------------------------
Still using benomyl:
* "Have tried 3 other selective media, but none work well. Still using benomyl streptomycin malt agar. Please let me know what you find". - Dr. James (Jim) T. Blodgett, USDA Forest Service, Rocky Mountain Region, Forest Health Protection, Rapid City, South Dakota.
* "We're still using benomyl here. It seems one small canister will last us over 100 years!" - Dr. Jim Worrall, USDA Forest Service, Rocky Mountain Region, Forest Health Protection, Gunnison, Colorado. [see also below].
* Since I left WV (in 2008) I have not had to isolate for basidios. And back in WV I had a 1lb bag of the stuff squirreled away. Out in CA I'm more often isolating Leptographium on cyclohex. So I'm not much use. However, can I ask that when you accumulate the answers would you be so kind as to send a synthesis to all who respond. - Martin MacKenzie, Forest Pathologist, South Sierra Service Area, Stanislaus National Forest, Sonora, California.
* "That is an interesting question. I still have one bottle of benomyl which I keep safe and still did not need to use alternatives. In past we used poor and acidified media which also to an extent help in selecting basidiomycetes but not as efficiently as benomyl. I guess similar situation is with cycloheximide (actidion)which one could not buy anywhere so I had to rely on my stock and this compound is so successfully used in selective media to isolate Ophiostomatoid fungi. I hope you will write a small review of answers and tips you get from other researchers related to your questions and share it with this group. I would be very interested to hear it". - Adnan Uznovic, Durability and Sustainability, Advanced Building Systems, Vancouver, British Columbia.
* Please inform me of the media you do end up using, as I might want to change someday. I do have quite a bit of Benlate in the lab still, but I am always looking for good selective media. - Michelle Cram, US Forest Service, Forest Health Protection, Athens, Georgia. [see also below].
------------------------------------------------------------------------------------------------------------------------
Alternatives:
PCNB etc.:
* "This paper lists some alternative media and their relative performance. It's old but I'm not aware of any major developments since then: Worrall, J.J. 1991. Media for selective isolation of hymenomycetes. Mycologia 83(3):296-302. http://www.forestpathology.org/pdfs/worrall1991media.pdf." - Dr. Jim Worrall, USDA Forest Service, Rocky Mountain Region, Forest Health Protection, Gunnison, Colorado.
* "I did a test of several media [see attached: SWFDWcram14.docx]. The PP media developed by (Kuhlman and Hendrix 1962) was very good. I did find adding the 4 ppm of Benlate to this media (PPB media) was good at controlling the Trichoderma, but if I did not have Benlate, I would still use the PP media by Kuhlman and Hendrix.
"PP media, Kuhlman, EG, Hendrix, FF, Jr. 1962. A selective medium for the isolation of Fomes annosus. Phytopathology 52: 1310-1312.
5 g Bacto peptone, 20 g agar, 0.25g MgSO4*7H20, 0.5 g KH2PO4, 0.19 g Pentachloronitrobenzene (or 0.254 g Terrachor), 0.1 g streptomycin sulfate, into 1 liter water; autoclaved and cooled before adding 2 ml lactic acid (50%), and 20 ml ethyl alcohol (95%).
"*Peptone slows the growth of fungi that require a carbohydrate for growth. Spore suspensions of basidiospores and conidia were tested (no data offered though) and germination was slowed down and it took 10-14 days for colonies to develop. Trichoderma is slowed down, but still grows relatively well on the media". - Michelle Cram, US Forest Service, Forest Health Protection, Athens, Georgia.
* "You might experiment a bit with Kuhlman's medium, which US Forest Service scientist George Kuhlman developed many years ago for culture of Heterobasidion irregulare (then considered H. annosum). I do not have the recipe at my fingertips, but a www search should turn up the citation". - Professor Glen R. Stanosz, Department of Forest and Wildlife Ecology, University of Wisconsin, Madison, Wisconsin.
* "We still use PCNB..." - Professor Steve Woodward, Department of Plant and Soil Science, Institute of Biological and Environmental Sciences, University of Aberdeen.
Other azoles etc.:
* "Just a thought on the question: I suggest testing several azoles such as propiconazole (Alamo, Banner Maxx) or thiabendazole (Arbotect 20S). Both are used as injectants for Dutch elm disease. Also, I believe that several other azoles are used against dermatophytes (athlete's foot, tinea cruris). I also suggest that you contact Dr. Jessie Glaeser, USFS Forest Products Lab., Madison, WI, who may provide much greater insights. Her doctoral research was published in Mycotaxon, and she did some highly significant work on differentiating certain fungal taxa via selective media. Good luck, for I feel sure the effective agent is out there!" -Jay Stipes, Prof. Emeritus, Virginia Tech., Blacksburg, Virginia.
* "I would look into thiophanate methyl. Thiophanate methyl is a breakdown product of benomyl and is not effective against basidiomycetes. Ever since benomyl was phased out, rust pathologists have routinely added this to trays of young growing cereal seedlings representing resistance gene isolines, prior to inoculation with rust, in the process of identifying rust "races" ".- Dr. Paul Zambino, US Forest Service, Region 1 Forest Health Protection, Coeur d'Alene, Idaho.
* I agree. Thiophanate would be a good candidate. There is a good spate of azoles, and this would be an excellent research project. - Jay Stipes.
* "Here is a "fossil" formula, perhaps still working. But nowadays we use malt agar with thiabendazole (after Guillaumin, see attachment [Thiabendazolagar Rp Holdenrieder et al 19942DSCN4218.jpeg] with formula 8with very good results! only the thiabendazole need several weeks to dissolve in the lactic acid. But you can keep the stock solution forever). I think we cited this many years ago in a conference contribution: Holdenrieder, O., Schmid-Haas, P., Baumann, E. (1994): Isolation of decay fungi from increment cores: Frustrating experience from Switzerland. Proc. 8th IUFRO Int. Root and Butt Rot Conf., Uppsala and Porvoo., Aug. 8-16, 1993.: 57-581. But I cannot locate the original currently). Best regards." - Prof. Dr. Ottmar Holdenrieder, Forest Pathology and Dendrology Section, Dept. of Environmental Sciences, Federal Institute of Technology, Zurich. [attachment: Zhang Holdenrieder 1983 Selective Media.pdf].
And...:
* "Instead of Benomyl (Benlate) we use to add to normal PDA or MA: chloramphenicol 0,1 g/l (Sigma-Aldrich) together with streptomicin 0,05 g/l (Sigma-Aldrich). For us it is Ok, even though I would prefer the old Benomyl, but...". - Nicola La Porta, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Sustainable Agro-ecosystems and Bioresources Dept., San Michele all'Adige, Trento, Italy.
____________________________
Ian Hood
Forest Protection Scientist
Scion (NZ Forest Research Inst. Ltd.)
49 Sala Street, Private Bag 3020, Rotorua 3046, New Zealand
DDI +64 7 343 5538
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________________________________
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I would look into thiophanate methyl. Thiophanate methyl is a breakdown product of benomyl and is not effective against basidiomycetes.
Ever since benomyl was phased out, rust pathologists have routinely added this to trays of young growing cereal seedlings representing resistance gene isolines, prior to inoculation with rust, in the process of identifying rust "races".
[Forest Service Shield]
Paul Zambino, PhD
Plant Pathologist
Forest Service
Region 1 Forest Health Protection, Coeur d'Alene Field Office
p: 208-765-7493
c: 208-446-4251
f: 208-765-7307
pzambino(a)fs.fed.us<mailto:pzambino@fs.fed.us>
3815 N Schreiber Way
Coeur d'Alene, ID 83815
www.fs.fed.us<http://www.fs.fed.us/>
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From: rg70200-forpath-bounces(a)lists.iufro.org [mailto:rg70200-forpath-bounces@lists.iufro.org] On Behalf Of Ian Hood
Sent: Thursday, January 29, 2015 1:36 PM
To: rg70200-forpath(a)lists.iufro.org
Subject: [IUFRO RG 7.02 FORPATH] Selective culture medium for isolating basidiomycetes
With the reduced availability of Benlate fungicide our lab is seeking other options for a selective medium for isolating basidiomycete cultures (unlike many other fungal groups, basidiomycetes are able to grow in the presence of the added active ingredient, benomyl).
I would be pleased to hear what media other laboratories may be currently using to isolate basidiomycte fungi and what people may think of their effectiveness.
____________________________
Ian Hood
Forest Protection Scientist
Scion (NZ Forest Research Inst. Ltd.)
49 Sala Street, Private Bag 3020, Rotorua 3046, New Zealand
DDI +64 7 343 5538
www.scionresearch.com<http://www.scionresearch.com/> | My Scion Profile<http://www.scionresearch.com/general/about-us/our-people/people/fs/ian-hood> | My LinkedIn Profile<https://www.linkedin.com/profile/view?id=123459716&authType=NAME_SEARCH&aut…>
www.youtube.com/scionresearch<http://www.youtube.com/scionresearch> | New Zealand forest disease leaflets<http://www.scionresearch.com/research/forest-science/biosecurity/forestpath…>
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This electronic message contains information generated by the USDA solely for the intended recipients. Any unauthorized interception of this message or the use or disclosure of the information it contains may violate the law and subject the violator to civil or criminal penalties. If you believe you have received this message in error, please notify the sender and delete the email immediately.
