[1]王生云,陶永明,司剑华.不同配方轻基质对鳞皮云杉生长及光合参数的影响[J].浙江林业科技,2019,39(02):50-55.[doi:10.3969/j.issn.1001-3776.2019.02.08]
 WANG Sheng-yun,TAO Yong-ming,SI Jian-hua.Effect of Different Ratio of Light Medium on Growth and Photosynthetic Parameters of Picea retroflexa Seedlings[J].Journal of Zhejiang Forestry Science and Technology,2019,39(02):50-55.[doi:10.3969/j.issn.1001-3776.2019.02.08]
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不同配方轻基质对鳞皮云杉生长及光合参数的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
39
期数:
2019年02期
页码:
50-55
栏目:
研究简报
出版日期:
2019-07-05

文章信息/Info

Title:
Effect of Different Ratio of Light Medium on Growth and Photosynthetic Parameters of Picea retroflexa Seedlings
文章编号:
1001-3776(2019)02-0050-06
作者:
王生云1陶永明1司剑华2
1.青海省玛可河林业局,青海 果洛 814300;2.青海大学 农牧学院,青海 西宁 810003
Author(s):
WANG Sheng-yun1TAO Yong-ming1SI Jian-hua2
1.Makehe Forestry Bureau of Qinghai, Guoluo 814300, China; 2.College of Agriculture and Animal Husbandry, Qinghai University, Xining 810003, China
关键词:
鳞皮云杉容器育苗轻基质光合参数
Keywords:
Picea retroflexa container seedling cultivation light medium photosynthetic parameters
分类号:
S723.1
DOI:
10.3969/j.issn.1001-3776.2019.02.08
文献标志码:
A
摘要:
2015年,在青海省玛珂河林区设置5种轻基质配斱,即P1(泥炭:椰糠:珍珠岩=4.5:4.5:1,均为体积比),P2(泥炭:椰糠:珍珠岩=5:4:1),P3(泥炭:椰糠:珍珠岩=6:3:1),P4(泥炭:椰糠:珍珠岩=7:2:1),P5(泥炭:椰糠:珍珠岩=8:1:1),以当地土壤作为对照(CK)基质迚行鳞皮云杉Picea retroflexa容器育苗,2018年5月迚行各处理生长指标的测定,研究不同轻基质配斱对鳞皮云杉幼苗生长及光合参数的影响。结果表明:(1)经过3 a的生长,5种轻基质配斱的苗高和地径均显著高于CK,其中苗高以P3,P4和P5较大,地径无显著性差异;(2)5种轻基质配斱的地上和地下部分生物量均显著高于CK(P<0.05),其中地上部分生物量以P4和P5较大,而地下部分生物量以P3,P4和P5较大;(3)5种轻基质配斱的根表面积、总根长、根尖数量和根系活力均显著优于CK(P<0.05),其中以P4和P5最好;(4)5种轻基质配斱的光合作用均显著强于CK(P<0.05),其中净光合速率以P3,P4和P5较大,水分利用效率以P4最大;(5)鳞皮云杉的根系生长情况总体上均与地上部分生长情况呈显著的正相兲(P<0.05)。研究表明,轻基质对鳞皮云杉的生长具有显著的促迚作用,5种轻基质配斱中以P4配比最优。
Abstract:
Experiments were conducted on container seedling cultivation of Picea retroflexa on different ratio of peat, coco coir and pearlite in Makekehe Forest Farm, Qinghai province in April, 2015 with local soil as control.Determinations were implemented in May, 2018 on growth traits and photosynthetic parameters.The result demonstrated that height and ground diameter of seedling on light medium was evidently higher than that of the control.Above ground and underground biomass of seedlings on light medium was higher than that of the control.Root surface area, total length and root tip number and root system vigor of seedlings on light medium was much better than that of the control.Photosynthetic efficiency of seedlings on light medium was much higher than that of the control, as well as water use efficiency.Correlation analysis demonstrated that root growth had positive relation with above ground growth of seedlings.The experiment resulted that light medium could promote seedling growth, the best ratio was peat: coco coir: pearlite=7:2:1.

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备注/Memo

备注/Memo:
收稿日期:2018-10-15 ;修回日期:2019-01-28
作者简介:王生云,林业工程师,本科,从事林木种苗培育研究;E-mail: 357245206@qq.com。通信作者:陶永明,林业工程师,从事林木种苗培育研究;E-mail: 765756074@qq.com。
更新日期/Last Update: 2019-06-20