设施繁育茶苗适宜光照强度研究

doi:10.13305/j.cnki.jts.2006.01.004

Abstract

Abstract: The photosynthesis, chlorophyll content and the growth traits of the clone tea seedling grown under different light conditions (8%, 15%, 35%, 42%, 50% and 75% ambient light) under the greenhouse were compared. The photosynthetic rate (P_n), maximum photosynthetic rate (P_nmax), apparent quantum yield (AQY) and new biomass reached their maximum values at 75% ambient light condition. The content of chlorophyll, death rate, specific leaf area (SLA) and leaf area ratio (LAR) decreased with the increase of light intensity, while the ratio of chlorophyll a/b, root emerging rate of the plant, traumatic tissue formation rate, root shoot ratio (R/S) and root mass ratio (RMR) increased as the light intensity increased. 50% and 75% ambient light were beneficial for the fast seedling-breeding to increase the light transmissivity of the green house and improve the light intensity for the seedling in the tents during cloudy days.

Key words: Camellia sinensis, greenhouse seedling-raising, light intensity, photosynthesis, growth analysis

CLC Number:

S571.1
Q523

GU Bao-jing, CHANG Jie, ZENG Jian-ming, WANG Li-yuan, YUAN Hai-bo, GE Ying, LIAO Jian-xiong, ZHOU Jian, CHENG Hao. Studies on the Optimal Irradiation for Tea Seedlings Under Greenhouse Manufacturing Administration[J]. Journal of Tea Science, 2006, 26(1): 24-30.

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Studies on the Optimal Irradiation for Tea Seedlings Under Greenhouse Manufacturing Administration

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