YU Yanping,MAO Liyan,BIN Zhenjun,et al.Effects of Shading Treatment on Growth of Bischofia javanica Seedlings[J].Northern Horticulture,2017,41(05):56-59.[doi:10.11937/bfyy.201705014]
不同遮荫处理对秋枫幼苗生长的影响
- Title:
- Effects of Shading Treatment on Growth of Bischofia javanica Seedlings
- 文献标志码:
- A
- 摘要:
- 以一年生秋枫幼苗为试材，采用可塑性及模糊隶属函数值法综合评价分析方法，研究了不同遮荫程度（100% NS(自然光照，natural sunshine)、41.3% NS、14.6% NS和3.6% NS）对秋枫幼苗生长的影响，以期得出秋枫的耐荫性，为其苗木生产提供科学依据。结果表明：随着遮荫程度的增大，秋枫幼苗的苗高增长量、地径增长量、叶面积、鲜质量（地下部、地上部、整株）、干质量（地下部分、地上部分、整株）均先高后降，均在41.3% NS下达到最大值；而根总体积、根总长度、根总表面积、总根尖数、总根平均直径均呈不断降低的变化趋势。通过生长指标的综合分析得出秋枫幼苗具有中度耐荫性。
- Abstract:
- With annual Bischofia javanica seedlings as experimental material，and the plasticity and comprehensive evaluation as analysis method，the effects of different shading degrees (100% NS (natural sunshine)，41.3% NS，14.6% NS and 3.6% NS) of Bischofia javanica seedlings growth were studied to obtain the Bischofia javanica shade tolerance，in order to provide science basis for the production.The results showed that along with the rising of the shade degree，the seedling height growth，diameter growth，leaf area，fresh weight(aboveground，underground portion，whole plant) and the dry weight(aboveground，underground portion，whole plant) of Bischofia javanica seedlings all increased first and then dereased，and arrived at the peak in 41.3% NS；while the root total length，total root average diameter，total surface area，root volume，total root number all presents a decreasing trend.Also the comprehensive evaluation of membership function value method and plasticity analysis were carried out on these growth indexes.It concluded that Bischofia javanica seedlings had moderate shade tolerance via the comprehensive analysis of the growth index.
参考文献/References:
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备注/Memo
第一作者简介：於艳萍（1986-），女，硕士，助理研究员，研究方向为园林植物与观赏园艺。E-mail：942686642@qq.com.责任作者：王凌晖（1965-），男，博士，教授，现主要从事园林植物栽培及森林培育等研究工作。E-mail：wanglinghui97@163.com.