据有关资料考证，我国古代的竹类植物学家———戴凯之为刘宋时代人，出身于贫寒人家。在刘宋时期，土族门阀制度森严，规定清官只能由土族高门子弟担任。戴凯之身世低微，官位不高。虽然，他会写诗作画，有真才实学，也未能受到重用，只当了一名“参军”和“南康相”，过... According to the textual research, the ancient bamboo plantologist --- Dai Kai in the Song and Yuan Dynasties, was born in a poor family. In the period of the Liu and Song dynasties, the Turkish door and door system was strict, which stipulated that honest officials should only be held by the high-handed Turkish children. Dai Kai’s life experience is low, the official position is not high. Although he would write poetry and painting, there are real and practical learning, but also failed to be reused, only as a “join the army” and “Nankang phase”, too ...