银叶树实生苗培育试验

doi:10.3969/j.issn.1009-7791.2017.01.015

›› 2017, Vol. 46 ›› Issue (01): 76-82.DOI: 10.3969/j.issn.1009-7791.2017.01.015

银叶树实生苗培育试验

郑洲翔,叶欣安,颜小清,刘德浩,陈智涛,彭逸生

(1.惠州市林业科学研究所，广东惠州 516001；2.中山大学环境科学与工程学院，广东广州 510275；3.中山大学湿地研究中心，广东省环境污染与控制重点实验室，广东广州 510275)

收稿日期:2016-11-04 修回日期:2017-01-09 出版日期:2017-03-30 发布日期:2017-03-30
通讯作者: 彭逸生
作者简介:郑洲翔，博士，林业高级工程师，从事植物资源利用研究。
基金资助:
广东省林业科技创新项目( 2015KJCX023)；国家自然科学基金(40901278)

The Nursing Trials of Heritiera littoralis Seedings

ZHENG Zhou-xiang,YE Xin-an,YAN Xiao-qing,LIU De-hao,CHEN Zhi-tao,PENG Yi-sheng

(1.Huizhou Institute of Forestry, Huizhou 516001, Guangdong China; 2.School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, Guangdong China; 3.Research Centre of Wetland Science, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-Sen University, Guangzhou 510275, Guangdong China)

Received:2016-11-04 Revised:2017-01-09 Online:2017-03-30 Published:2017-03-30
Contact: PENG Yi-sheng

摘要/Abstract

摘要： 采用不同播种时间、果皮处理方式、盐度-淹水交互条件对银叶树Heritiera littoralis播种育苗进行试验。结果表明，冬末初春播种的种子萌发所需时间均显著高于春末、夏季的播种处理，而春季初夏所需的萌发时间则与盛夏初秋没有明显差异。脱壳、破壳处理有效缩短银叶树种子的萌发时间；破壳处理的种子萌发率(88.9%)明显高于脱壳处理(74.4%)。银叶树种子播种期最适宜采用淡水浇灌，且减少淹水次数，均有利于种子萌发率的提升。萌发过程中可溶性糖及总酚含量在低盐度、低淹水频率条件下含量更低。种子经风干储藏于次年4～6月播种，可有效减少苗圃维护时间和成本，同时缩短种子萌发周期。

关键词: 银叶树, 育苗, 时间, 前处理, 条件

Abstract: The influence of different sowing times, physical treatments of seeds, and interaction between salinity and inundation regime to the germination of Heritiera littoralis was explored. The durations of seed germination sowed in autumn-winter and early spring were longer than those in late spring and summer, while no significant difference of germination duration existed between seedlings sowed in April to June and July to September. Physical treatment on pericarps obviously affected germination time and rate, then affected their growth later. The germination time was shortened by entirely and partially shelled treatment. But germination rate of partially shelled treatment was 88.9%, which was significantly higher than that of entirely shelled as 74.4%. Moreover, the seedlings of entirely shelled treatment grew faster and more robust. Salinity and inundating frequency, also their interaction had strong impacts on seed germination of H. littoralis. Indicating irrigation with freshwater and reduction of inundation frequency may facilitate the germination of H. littoralis. Soluble saccharides and polyphenol were statistically lower in condition of lower salinity and inundating frequency. Since the germination state of H. littoralis were sensitive to temperature, it was recommended to carry out sowing in April to June after collection of mature capsule collected in the last autumn with dry-storing. Such measurement could effectively lower duration and cost of nursing, and reduce germination duration of seeds.

Key words: Heritiera littoralis, nursing trial, time, pretreatment, condition

中图分类号:

S723.1

郑洲翔,叶欣安,颜小清,刘德浩,陈智涛,彭逸生. 银叶树实生苗培育试验[J]. , 2017, 46(01): 76-82.

ZHENG Zhou-xiang,YE Xin-an,YAN Xiao-qing,LIU De-hao,CHEN Zhi-tao,PENG Yi-sheng. The Nursing Trials of Heritiera littoralis Seedings[J]. , 2017, 46(01): 76-82.

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银叶树实生苗培育试验

The Nursing Trials of Heritiera littoralis Seedings

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