Effects of Douglas‐fir parentage on Swiss needlecast expression | Zendy

Nelson E. E. | Zendy; Silen R. R. | Zendy; Mandel N. L. | Zendy

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Effects of Douglas‐fir parentage on Swiss needlecast expression

Author(s) -

Nelson E. E.,

Silen R. R.,

Mandel N. L.

Publication year - 1989

Publication title -

european journal of forest pathology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.535

H-Index - 49

eISSN - 1439-0329

pISSN - 0300-1237

DOI - 10.1111/j.1439-0329.1989.tb00763.x

Subject(s) - douglas fir , biology , mating , variance components , analysis of variance , variance (accounting) , genetic variation , botany , demography , statistics , genetics , mathematics , gene , accounting , business , sociology

Densities of pseudothecia on Douglas‐fir needles infected with Phaeocryptopus gaeumanni and needle retention on Christmas trees were related to male and female parentage in a 4 by 5 factorial mating in replicated plantings in western Oregon. Interactions of families by plantation and of male parentage by plantation were highly significant. The additive proportion of variation calculated from variance components due to male and female parentage was greater than 1.00; hence, no evidence was found of nonadditive genetic variance.

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