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Differential interspecific incompatibility among Populus hybrids in sections Aigeiros Duby and Tacamahaca SpachAuthor(s): A. Assibi Mahama; Richard Hall; Ronald Zalesny
Source: The Forestry Chronicle
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
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DescriptionIn our previous Populus breeding, compatible crosses between P. maximowiczii A. Henry and P. deltoides Bartr. ex Marsh corroborated the potential of interspecific hybrids, despite low seed set. Our current objective was to test the range of incompatibility among intraspecific and interspecific crosses using parental germplasm from the sections Aigeiros Duby (P. deltoides and P. nigra L.) and Tacamahaca Spach (P. maximowiczii). We determined the success rate of crosses, along with seed production and seedling viability. The success of crosses ranged from complete incompatibility to complete compatibility, with 29% to 85% of the transplanted germinants developing into healthy seedlings.
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CitationAssibi Mahama, A.; Hall, Richard; Zalesny, Ronald. 2011. Differential interspecific incompatibility among Populus hybrids in sections Aigeiros Duby and Tacamahaca Spach . The Forestry Chronicle. 87(06): 790-796. https://doi.org/10.5558/tfc2011-096.
Keywordsforest genetics, tree improvement, hybridization, hybrid poplar, Populus deltoides, P. nigra, P. maximowiczii
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