WEI Cui-hua,XIE Yu,QIN Jian-bin,et al.Effect of Light Intensity on the Growth and Yield of Anoectochilus roxburghii[J].Northern Horticulture,2015,39(12):139-141.[doi:10.11937/bfyy.201512036]
光照强度对金线莲生长及产量的影响
- Title:
- Effect of Light Intensity on the Growth and Yield of Anoectochilus roxburghii
- 文章编号:
- 1001-0009（2015）12-0139-03
- Keywords:
- Anoectochilus roxburghii; light intensity; survival rate; yield
- 分类号:
- S681.9
- 文献标志码:
- A
- 摘要:
- 以金线莲组培苗为试材，设置不同光照强度，通过成活率、鲜重增长率和折干率3个因子来考查光照强度对金线莲生长及产量的影响。结果表明：光照强度对3个因子的影响极显著，2 000～5 000 lx的中等偏低光照适合植株正常生长、产量高，在此范围内适当提高光照强度有利于干物质积累，低光照严重减少植株生长量和干物质积累，强光照严重降低植株成活率。
- Abstract:
- Taking plantlets in vitro of Anoectochilus roxburghii as test materials，the effect of different light intensity on the growth and yield were studied by three factors of survival rate，growth rate of fresh weight and DW/FW.The results showed that，light intensity had significant effect on the three factors，the lower middle light intensity in 2 000-5 000 lx ranges was suitable for normal growth of plantlets to obtain high yield，and an appropriate increase in this range of light intensity was beneficial to the accumulation of dry matter.Low light intensity seriously reduced growth and dry matter accumulation of plantlets，high light intensity seriously reduced the survival rate of plantlets.
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备注/Memo
第一作者简介：魏翠华（1972-），女，福建周宁人，副研究员，研究方向为花卉及药用植物快繁与栽培。E-mail：cuihuaw@126.com. 基金项目： 福建省福州市科技计划资助项目 (2011-N-29)。