文献类型：会议论文

英文题名：Effects of different light intensity on the growth and nutrients content of Gynura

作者：Cheng, Xiang Rong[1] Liu, Jia[1,2] Shu, Jun[1] Yu, Mu Kui[1]

第一作者：成向荣

机构：[1] Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, Zhejiang Province, China; [2] College of Forestry, Northwest A and F University, Yangling 712100, Shaanxi Province, China

会议论文集：Advances in Environmental Technologies III

会议日期：April 26, 2014 - April 28, 2014

会议地点：Xi'an, China

语种：英文

外文关键词：Amino acids - Calcium - Growth (materials) - Plants (botany)

年份：2014

摘要：Light condition has significant effects on plant growth and nutrient accumulation. The growth and nutrients content of Gynura (Begonia fimbristipulata) were studied under three light intensities (natural field, 100% full sunlight (L0); 50% canopy cover (L1); 70% canopy cover (L2)) in Fuyang, China. The results showed that plant height, ground diameter and number of branches were no significant difference between L0 and L1 treatments (P>0.05), these variables were significantly lower in L2 treatment than that in L0 treatment (P0.05). The content of calcium (Ca) markedly increased in L1 treatment compared with L0 treatment (P<0.05), and it greatly declined in L2 treatment. The change of light conditions had less impact on the water-soluble amino acid content (except for alanine, serine, and glutamic acid). These results indicate that Gynura is suitable to cultivate under the forest with a 50% canopy cover. ? (2014) Trans Tech Publications, Switzerland.