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Article

Heterosis in poplar involves phenotypic stability: cottonwood hybrids outperform their parental species at suboptimal temperatures.

Tree physiology - 1 Jun 2018

Zanewich Karen P, Pearce David W, Rood Stewart B

Abstract excerpt

Heterosis or hybrid vigor is common in hybrid poplars, and to investigate its occurrence and physiological basis we compared narrowleaf cottonwoods, Populus angustifolia James, prairie cottonwoods, Populus deltoides Bartr. ex Marsh, and their native intersectional hybrids, P. × acuminata Rydb., from Alberta, Canada. Clonal replicates from 10 separate trees from each taxon were raised in growth chambers at...

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PMID: 29509939
DOI: 10.1093/treephys/tpy019

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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