4 old-year Gordonia acuminata seedlings were grown in full sun light(S100),55%of full sun (S55),33%of full sun (S33) and 18%of full sun light (S18).

• 将4年生的四川大头茶幼苗置于按全光照百分率为100%25(S100)、55%25(S55)、33%25(S33)和18%25(S18)的人控光环境下处理。