maternally inherited mitochondrial nad1 fragments from the same set of populations and
individuals were used to investigate cytoplasmic composition and population establishment
of Pinus densata, a diploid pine that originated through hybridization between P. tabuliformis
and P. yunnanensis. Two variable sites and three chlorotypes (TT, TC and GC) were
detected on the rbcL gene of the three pines. P. densata harboured the three chlorotypes …