对我省经子代测定入选的４２个优良家系的母株进行花期观察的结果，以早、中花期居多，其早、中、晚花期组所占比例分别为４０．５％、３８．０％和２１．５％。根据广东省气候条件，在小坑、大水口、乐昌林场第一代杉木种子园中，采用以早花期为主组配无性系，可达到早结果、多结果要求，嫁接３年可获得每公顷种子３０．１５～４０．３５ｋｇ，嫁接４年每公顷种子５９．７ｋｇ的产量。 The results of flowering observation on the parents of 42 elite pedigrees selected by the offspring in our province were as early as the middle flowering stage and the flowering period was 40.5%, 38.0% % And 21.5%. According to the climatic conditions of Guangdong Province, in the first generation of Chinese fir seed orchards in Xiaokeng, Danshui and Lechang Forest Farm, the clonal arrangement of early florescence can be used to achieve early result and multiple result requirements. Hectare seeds 30.15 ~ 40.35kg, grafting four hectares per hectare of 59.7kg seed yield.