Pollen cones of P. strobus were collected from the SUNY- ESF Lafayette Experimental Station, Syracuse, New York, while seed cones were obtained from the SUNY-ESF ... the dark at 23 AdC. Several intraspecific and interspecific crosses were done and a total of 1, 200 female gametophytes were used (table 3). ... The specimens were examined using a Leica DMLB fluorescence microscope. ... Number of days in culture 2 4 6 8 10 164 USDA Forest Service Proceedings RMRS-P-32.
|Title||:||Breeding and genetic resources of five-needle pines|
|Author||:||Richard Anthony Sniezko, IUFRO Working Party 2.02.15, Rocky Mountain Research Station (Fort Collins, Colo.)|