杉木种子园中配置的无性系数量较多,它们来自南、北亚热带的地区,代表了各种生态型,花期表现参差不齐。目前在杉木种子园收获的种子中,瘪籽和涩粒仍占多数,这是由于花期不遇开花未受粉或受粉未受精所致,为此对种子园的无性系做了开花习性观察。 Cunninghamia lanceolata seed orchard configuration clonal number more, they come from the south and north subtropical regions, representing a variety of ecotypes, florescence performance uneven. Currently in the fir seed orchard seed harvest, shriveled seeds and astringent tablets still account for the majority, which is due to flowering is not the occasion of the flowers are not affected by the powder or powder insemination, for this seed orchard clones do flowering habits observed.