NDLI: Genetic resistance to white pine blister rust in limber pine (Pinus flexilis): major gene resistance in a northern population

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Genetic resistance to white pine blister rust in limber pine (Pinus flexilis): major gene resistance in a northern population

Content Provider	Semantic Scholar
Author	Sniezko, Richard A. Danchok, Robert Savin, Douglas P. Liu, Jun-Jun Kegley, Angelia
Copyright Year	2016
Abstract	Limber pine, Pinus flexilis E. James, a wide-ranging tree species in western North America, is highly susceptible to white pine blister rust (WPBR), caused by the non-native fungal pathogen Cronartium ribicola J.C. Fisch. The Canadian populations in particular have been heavily impacted, and in 2014, limber pine was designated endangered in Canada by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC). Little is known about genetic resistance to WPBR in limber pine, but major gene resistance (MGR) has been characterized in some populations in the United States. This study examines resistance in seedling families from 13 parent trees from British Columbia, Alberta, and Oregon, representing the northern- and northwestern-most populations. Most families were susceptible, with 100% of the seedlings cankered, but one family from Alberta segregated 1:1 for cankered and canker free. This is the first report of (a) MGR in Canada of any of the four species of five-needle pines native to Canada a...
Starting Page	1173
Ending Page	1178
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1139/cjfr-2016-0128
Volume Number	46
Alternate Webpage(s)	https://tspace.library.utoronto.ca/bitstream/1807/73296/1/cjfr-2016-0128.pdf
Alternate Webpage(s)	https://doi.org/10.1139/cjfr-2016-0128
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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