Kho Y O,Baer J.Incompatibility problem in species crosses of Tulips[J].Euphytica,1971,20(1):30-35
[13]
Pliura A,Yu Q B,Zhang S Y,et al.Variation in wood density and shrinkage and their relationship to growth of selected poplar hybrid crosses[J].Forest Science,2005,51(5):472-482
[14]
Pliura A,Zhang S Y,Mackay J,et al.Genotypic variation in wood density and growth traits of poplar hybrids at four clonal trials[J].Forest Ecology and Management,2007,238:92-106
[15]
Zhang S Y,Yu Q B,Chauret G,et al.Selection for both growth and wood properties in hybrid poplar clones[J].Forest Science,2003,49(6):901-908
[16]
Shepherd M,Cross M,Dieters M J,et al.Genetics of physical wood properties and early growth in a tropical pine hybrid[J].Canadian Journal of Forest Research,2003,33(10):1923-1932