[1]王秀丽,高云晓,张 曦,等.种子大小和枯落物覆盖对黑松种子萌发和幼苗生长的影响[J].浙江林业科技,2019,39(01):35-42.[doi:10.3969/j.issn.1001-3776.2019.01.006]
 WANG Xiu-li,GAO Yun-xiao,ZHANG Xi,et al.Effect of Seed Size and Litter Thickness on Germination and Seedling Growth of Pinus thunbergii[J].Journal of Zhejiang Forestry Science and Technology,2019,39(01):35-42.[doi:10.3969/j.issn.1001-3776.2019.01.006]
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种子大小和枯落物覆盖对黑松种子萌发和幼苗生长的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
39
期数:
2019年01期
页码:
35-42
栏目:
研究简报
出版日期:
2019-03-31

文章信息/Info

Title:
Effect of Seed Size and Litter Thickness on Germination and Seedling Growth of Pinus thunbergii
文章编号:
1001-3776(2019)01-0035-08
作者:
王秀丽 12高云晓1张 曦1张琳琳1曹帮华1金 露1孔 蕾1王志恒1毛培利1
1. 黄河下游森林培育国家林业局重点实验室,山东泰山森林生态系统国家定位观测研究站,山东农业大学 生态与环境重点实验室,山东 泰安 271018;2. 阳信县林业局,山东 滨州 251800
Author(s):
WANG Xiu-li12GAO Yun-xiao1ZHANG Xi1ZHANG Lin-lin1CAO Bang-hua1JIN Lu1KONG Lei1WANG Zhi-heng1 MAO Pei-li1
1. Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Taishan Mountain Forest Ecosystem Research Station of Shandong Province, Key Laboratory of Ecology and Environment, Shandong Agricultural University, Tai’an 271018, China; 2. Yangxin Forestry Bureau of Shandong, Binzhou 251800, China
关键词:
黑松沿海防护林生物量分配根系特征天然更新
Keywords:
Pinus thunbergii coastal protection forest biomass allocation root index
分类号:
S791.256
DOI:
10.3969/j.issn.1001-3776.2019.01.006
文献标志码:
A
摘要:
2017 年5 月10 日,将烟台沿海防护林内20 ~ 30 年生黑松Pinus thunbergii 母树的种子分为大粒、中粒和小粒播于花盆中,研究枯落物覆盖厚度(1 cm,2 cm,3 cm,4 cm)对种子萌发和幼苗生长的影响,以阐明沿海黑松防护林幼苗建立的机制。结果表明:种子大小对发芽率、发芽指数有着极显著影响(P<0.01),对平均发芽时间、活力指数没有显著影响。大粒种子比中小粒种子有着低的发芽率和发芽指数。在生物量分配和根系特征上种子大小没有显著影响,但对幼苗高度和地径有显著的影响(P<0.05),都是大粒和中粒种子大于小粒种子。枯落物覆盖厚度对于种子萌发有显著影响(P<0.05),发芽率、发芽指数、活力指数都随枯落物厚度的增加而增加,平均发芽时间则逐渐降低;但对幼苗生物量、生物量分配和根系特征无显著影响。相关分析表明,苗高和地径与发芽指标、幼苗生物量分配相关性不显著,但与比根长和比根表面积成显著正相关。因此,种子大小和枯落物覆盖厚度是影响沿海黑松防护林天然更新的重要因素。
Abstract:
Cones were harvested from 20-30-year Pinus thunbergii at coastal protection forest in Yantai of Shandong province in September of 2016. The seeds were divided into large, medium and small size and sown in pots covered with different litter thickness (1, 2, 3 and 4 cm). The results showed that seed size had significant effect on germination rate and germination index, but no significant effect on average germination time and vigor index. Large seeds had lower germination rate and index than medium and small ones. Seed size had no significant effect on biomass allocation and root growth, but had significant positive effect on height and ground diameter growth of seedlings. Germination rate, germination index and vigor index had positive relation with litter thickness, while the average germination time had negative one. Litter thickness had no great effect on seedling biomass, biomass allocation and root growth. Correlation analysis showed that seedling height and ground diameter had no significant relation with germination index and seedling biomass allocation, but had evident positive relation with specific root length and specific root area.

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备注/Memo

备注/Memo:
收稿日期:2018-06-19;修回日期:2018-12-16基金项目:山东省自然基金(ZR2016CL15);山东省科技发展计划(2015GNC111026);山东农业大学“双一流”奖补资金(SYT2017XTTD09)作者简介:王秀丽,助理农艺师,硕士,主要从事树木生理生态研究;E-mail:1049100085@qq.com。通信作者:毛培利,副教授,从事森林培育与树木生理生态;E-mail:maopl1979@163.com。
更新日期/Last Update: 2019-02-20