Kim von Weissenberg

Host-parasite relationships in forest ecosystems: A review

Weissenberg K. v. (1990). Host-parasite relationships in forest ecosystems: A review. Silva Fennica vol. 24 no. 1 article id 5415. https://doi.org/10.14214/sf.a15567

Abstract

Based on a survey of world literature it is concluded that 1) the better -researched epidemic forest pathosystems are caused by anthropogenic factors, 2) the systems most likely have a polygenic background, and 3) resistance breeding should maintain polygenic resistance with restrictive incorporation of oligogenic resistance. Corresponding objectives are valid in breeding programs of presently balanced pathosystems, which may turn epidemic if man causes changes in the gene pool and alters critical environmental conditions.

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Keywords
Pinus; resistance; Ophiostoma; rust diseases; Cronartium; Cryphonectria; Melampsora; polygenic; oligogenic; gene-for-gene

Published in 1990

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