scholarly journals Developing Blister Rust Resistance in White Pines

2000 ◽  
Vol 10 (3) ◽  
pp. 546
Author(s):  
Bohun B. Kinloch
Keyword(s):  
Plant Disease ◽  
Cryphonectria Parasitica ◽  
Resistance Mechanisms ◽  
Dutch Elm Disease ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Low Frequencies ◽  
Blister Rust ◽  
Disease Epidemics ◽  
Native White

After a century since introduction to North America from Europe, white pine blister rust, caused by Cronartium ribicola J.C. Fisch., is recognized as one of the catastrophic plant disease epidemics in history. It has not yet stabilized and continues to spread and intensify. Its nine native white pine hosts comprise major timber producers, important watershed protectors, keystone ecological species, and the oldest trees on earth. All are highly susceptible and some have been damaged severely in parts of their native range, as well as where they have been planted as exotics. Resistance, the most promising approach to control, requires understanding of genetic interactions between hosts and pathogen, a quest that has been ongoing for half a century. Unlike other hosts of spectacular exotic diseases, such as chestnut blight [caused by Cryphonectria parasitica (Murrill) M.E. Barr] and dutch elm disease [caused by Ophiostoma ulmi (Buisman) Nannf.], white pines (Pinus L.) exhibit a surprising number of resistance mechanisms to blister rust, if at only low frequencies. There are three main kinds:

scholarly journals White Pine Blister Rust in British Columbia III. Effects on the Gene Pool of Western White Pine

1985 ◽  
Vol 61 (6) ◽  
pp. 484-488 ◽  
Author(s):  
R. S. Hunt ◽  
J. F. Manville ◽  
E. von Rudloff ◽  
M. S. Lapp
Keyword(s):  
Pacific Northwest ◽  
Gene Pool ◽  
Resistance Mechanisms ◽  
Geographic Range ◽  
White Pine Blister Rust ◽  
Pinus Monticola ◽  
White Pine ◽  
Blister Rust ◽  
The Pacific ◽  
Western White Pine

Cluster analyses of relative terpene abundance in foliage of western white pine (Pinus monticola Dougl.) trees from throughout the Pacific Northwest geographic range of the species were produced. Terpene patterns were randomly distributed among populations; no geographic or site trends were evident. Although blister rust is devastating to stands, the gene pool is widely distributed and may well be preserved without establishing gene banks.About 40-50 trees selected at random would yield offspring with nearly all possible terpene patterns characteristic of the species and would thus constitute a broad genetic base. Therefore seed orchards do not necessarily need to be composed of many individuals, rather, they should contain highly selected individuals with multiple desirable traits including multiple blister rust resistance mechanisms. Key words: terpenes, dendrogram

Pruning to manage white pine blister rust in the southern Rocky Mountains

2011 ◽  
Author(s):  
Amanda Crump ◽  
William R. Jacobi ◽  
Kelly S. Burns ◽  
Brian E. Howell
Keyword(s):  
Rocky Mountains ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Southern Rocky Mountains ◽  
Blister Rust

Options for the management of white pine blister rust in the Rocky Mountain Region

2008 ◽  
Author(s):  
Kelly S. Burns ◽  
Anna W. Schoettle ◽  
William R. Jacobi ◽  
Mary F. Mahalovich
Keyword(s):  
Rocky Mountain ◽  
Mountain Region ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Blister Rust ◽  
Rocky Mountain Region

Risk of white pine blister rust to limber pine in Colorado and Wyoming, USA

2013 ◽  
Vol 44 (1) ◽  
pp. 21-38 ◽  
Author(s):  
H. S. J. Kearns ◽  
W. R. Jacobi ◽  
R. M. Reich ◽  
R. L. Flynn ◽  
K. S. Burns ◽  
...  
Keyword(s):  
White Pine Blister Rust ◽  
White Pine ◽  
Limber Pine ◽  
Blister Rust

scholarly journals Compounding effects of white pine blister rust, mountain pine beetle, and fire threaten four white pine species

Ecosphere ◽  
2020 ◽  
Vol 11 (10) ◽  
Author(s):  
Joan C. Dudney ◽  
Jonathan C. B. Nesmith ◽  
Matthew C. Cahill ◽  
Jennifer E. Cribbs ◽  
Dan M. Duriscoe ◽  
...  
Keyword(s):  
Mountain Pine Beetle ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Blister Rust ◽  
Mountain Pine ◽  
Pine Beetle ◽  
Pine Species

scholarly journals STUDIES ON WHITE PINE BLISTER RUST IN NOVA SCOTIA

1953 ◽  
Vol 29 (3) ◽  
pp. 267-272 ◽  
Author(s):  
W. K. McGinn ◽  
A. G. Davidson
Keyword(s):  
Nova Scotia ◽  
Control Measure ◽  
Systematic Search ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Clear Cutting ◽  
Blister Rust ◽  
Pine Regeneration ◽  
Show Evidence ◽  
Cutting Operation

Studies were undertaken in Nova Scotia to determine (i) the effect of different cutting practices on the establishment of a RIBES population and of white pine regeneration, (ii) whether blister rust is a major factor in retarding the establishment of white pine regeneration, and (iii) the feasibility and cost of RIBES eradication as a direct control measure against blister rust. No relationship was found to exist between RIBES establishment and the degree of cutting. Uncut softwood stands, where white pine is the predominant species, show evidence of producing a future pine crop. Forest types supporting white pine appear to offer the best opportunities for pine reproduction where a clear-cutting operation has given the stand maximum opening. Results of the present study to date do not show that blister rust is a major factor in retarding the establishment of white pine regeneration. To eradicate RIBES from the study area by a complete systematic search required 1 man-hour per acre. Because of the small number of RIBES plants found and of the tendency for them to occur consistently in moist, low-lying habitats, a complete systematic search for these plants appears to be unnecessary. It is suggested that one man, trained to recognize RIBES and their probable location, could cover large forest tracts with a minimum of time expended in searching localities unlikely to support these plants.

scholarly journals Whitebark pine mortality related to white pine blister rust, mountain pine beetle outbreak, and water availability

Ecosphere ◽  
2016 ◽  
Vol 7 (12) ◽  
Author(s):  
Erin Shanahan ◽  
Kathryn M. Irvine ◽  
David Thoma ◽  
Siri Wilmoth ◽  
Andrew Ray ◽  
...  
Keyword(s):  
Water Availability ◽  
Mountain Pine Beetle ◽  
Whitebark Pine ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Blister Rust ◽  
Mountain Pine ◽  
Pine Beetle

scholarly journals Use of triadimefon to control white pine blister rust

1996 ◽  
Vol 72 (6) ◽  
pp. 637-638 ◽  
Author(s):  
Jean A. Bérubé
Keyword(s):  
Cronartium Ribicola ◽  
White Pine Blister Rust ◽  
White Pine ◽  
Growth Season ◽  
Effective Protection ◽  
Rust Infection ◽  
Blister Rust ◽  
Pine Seedlings ◽  
Second Growth ◽  
Bare Root

White pine seedlings were treated with triadimefon two weeks prior to natural inoculation with Cronartium ribicola and were observed for two growth seasons. During the second growth season in the greenhouse the incidence of blister rust symptoms was 70.8% for the untreated controls, whereas only 3.8% of the treated seedlings showed symptoms of blister rust. Triadimefon offers effective protection against white pine blister rust infection and would enable the production of bare root seedlings in areas prone to blister rust infection.

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