Environment in relation to white pine blister rust infection

E.P. Van Arsdel

Treesearch

Environment in relation to white pine blister rust infection

Informally Refereed

Authors:

E.P. Van Arsdel

Year:

1972

Type:

Miscellaneous Publication

Station:

Northern Research Station

Source:

In: Bingham, Richard T.; Hoff, Raymond; McDonald, Geral I., eds. Biology of rust resistance in forest trees: Proceedings of a NATO-IUFRO advanced study institute; 1969 August 17-24; Moscow, ID. Misc. Publ. no. 1221. Washington, DC: U.S. Department of Agriculture, Forest Service: 479-493.

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Abstract

Pine trees can be free of blister rust infection either because they are growing in a climate unfavorable to rust or because they are genetically resistant to the rust. The climatic escape is hundreds of times more common than genetic resistance in the American white pines. The minimum time and temperature required for penetration by an isolate of the rice blast fungus (Piricularia oicizae) differed significantly from one rice variety to another. This illustrates an interrelationship between environmental influences and genetic susceptibility. In the pine rusts, the minimum conditions for infection might, for example, be less limiting in sugar pine (Pinus lambertiana) than eastern white pine (Pinus strobus).

Citation

Van Arsdel, E.P. 1972. Environment in relation to white pine blister rust infection. In: Bingham, Richard T.; Hoff, Raymond; McDonald, Geral I., eds. Biology of rust resistance in forest trees: Proceedings of a NATO-IUFRO advanced study institute; 1969 August 17-24; Moscow, ID. Misc. Publ. no. 1221. Washington, DC: U.S. Department of Agriculture, Forest Service: 479-493.