关键词: 芜菁（Brassica rapa L.）, 生长生育, 西藏地区

Abstract: The trial is assaied on the fresh weight of upper ground, fresh weight of underground, plant height, leaf length and width ratio, leaf area and relative content of chlorophyll in leaves of two local turnip（Brassica rapa L.） varieties in three growth stages of seedling, fleshy root bulge and harvest, which were collected from Nyemo county, Lhasa and Qusum county, Shannan. The results showes that there was a significant difference between the growth and development indexes at the same period of birth,of which the local turnip varieties in Nyemo county, Lhasa were better, and could be further used as the materials for the development and utilization of the germplasm resources of the turnip in Tibet.

Key words: turnip（Brassica rapa L.）, growth and birth, Tibet region