[1]李 红,郑春芳,陈继浓,等.不同温度下秋茄树幼苗叶绿素荧光参数对光强的响应[J].浙江林业科技,2020,40(02):17-22.[doi:10.3969/j.issn.1001-3776.2020.02.003]
 LI Hong,ZHENG Chun-fang,CHEN Ji-nong,et al.Response of Chlorophyll Fluorescence Parameters of Kandelia obovata Seedlings to Light Intensity in Incubator with Different Temperature[J].Journal of Zhejiang Forestry Science and Technology,2020,40(02):17-22.[doi:10.3969/j.issn.1001-3776.2020.02.003]
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不同温度下秋茄树幼苗叶绿素荧光参数对光强的响应()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
40
期数:
2020年02期
页码:
17-22
栏目:
出版日期:
2020-04-20

文章信息/Info

Title:
Response of Chlorophyll Fluorescence Parameters of Kandelia obovata Seedlings to Light Intensity in Incubator with Different Temperature
文章编号:
1001-3776(2020)02-0017-063
作者:
李 红1郑春芳2陈继浓2于 冯1康华靖1
1. 温州市农业科学研究院,浙江 温州 325006;2. 浙江省近岸水域生物资源开发与保护重点实验室,浙江省海洋水产养殖研究所,浙江 温州 325005
Author(s):
LI Hong1ZHENG Chun-fang2CHEN Ji-nong2YU Feng1KANG Hua-jing1
1. Wenzhou Academy of Agricultural Sciences of Zhejiang, Wenzhou 325006, China; 2. Zhejiang Key Laboratory of Exploitation and Preservation of Coastal Bio-resource, Zhejiang Mariculture Research Institute, Wenzhou 325005, China
关键词:
秋茄树昼夜温度荧光参数光强
Keywords:
Kandelia ogovata day-night temperature chlorophyll fluorescence parameters light intensity
分类号:
S796
DOI:
10.3969/j.issn.1001-3776.2020.02.003
文献标志码:
A
摘要:
为了更好地开展秋茄树Kandelia obovata 的引种、繁育等工作,以其2 年生移植容器苗为材料,设置了昼夜温度分别为A(25/20℃),B(20/15℃),C(15/10℃)和D(10/5℃)共4 个处理,研究了电子传递速率(ETR)、光系统II(PSII)反应中心的激发能捕获效率(Fv'/Fm')、PSII 反应中心电荷分离实际量子效率(ΦPSII)、光化学猝灭系数(qP)和非光化学猝灭系数(qN)等参数对光强(PAR)的响应曲线。结果表明,光响应机理模型和双指数模型可以较好地拟合不同温度处理下秋茄树幼苗ETR 对PAR 的响应,所得结果与实测值较为接近(P>0.05);在不同温度下,秋茄树幼苗叶片的饱和PAR 有所差异,在1 000 ~ 1 400 μmol·m-2·s-1 之间;以光响应机理模型拟合的结果为例,在A,B,C,D 不同处理下,秋茄树叶片的最大电子传递速率(ETRmax)间均有显著差异(P< 0.05),分别为124.393,110.812,64.153 和33.427 μmol·m-2·s-1;D 处理下的Fv'/Fm',ΦPSII,qP 和qN 均处于最低水平,说明5℃以下低温对秋茄树幼苗的光合影响较大。因此,建议在幼苗阶段,夏季进行适当遮阳,冬季喷施植物生长调节剂或采用其他措施进行保温。
Abstract:
In spring of 2017, container Kandelia ogovata seedlings were transplanted into plastic drum and in January 2019, experiments were conducted after 7 days slow rooting. Seedlings were treated in incubators with different day-night temperature such as 25/20℃ (A), 20/15℃ (B), 15/10℃ (C) and 10/5℃ (D). The results showed that the response of electron transfer rate (ETR) to the light intensity of different treated seedlings could be fitted well by the light response mechanism model and the double exponential model. The fitted values were close to the measured ones. The light saturation points of the leaves of different treated seedlings ranged from 1 000 μmol/m2/s to 1 400μmol/m2/s. Taking the result of model fitting by light response mechanism as an example, the maximum electron transfer rates of seedling leaves were significantly different at different temperatures (P<0.05), which were 124.393, 110.812, 64.153, and 33.427 μmol/m2/s, respectively. Seedligns with treatment of D had the lowest excitation energy capture efficiency of PSII (Fv'/Fm'), the actual photochemical quantum efficiency of PSII (ΦPSII), photochemical quenching coefficient (qP) and non-photochemical quenching coefficient (qN). It indicated that the low temperature had significant effect on the photosynthesis of K. ogovata seedlings.

参考文献/References:

[1] 杜文琴,马丽娜,刘建,等. 红树林区内互花米草防除技术研究[J]. 中国生态农业学报,2006,14(3):154-156.
[2] 林鹏. 中国红树林生态系统[M]. 北京:科学出版社,1997,297-316.
[3] 何洁,刘鸿先,王以柔,等. 低温与植物的光合作用[J]. 植物生理学通讯,1986(2):1-6.
[4] SAGE R F,KUBIEN D S. The temperature response of C3 and C4 photosynthesis[J]. Plant Cell Environ,2007,30:1086-1106.
[5] 姜籽竹,朱恒光,等. 低温胁迫下植物光合作用的研究进展[J]. 作物杂志,2015(3):23-28.
[6] 孙谷畴,曾小平,刘晓静,等. 适度高温胁迫对亚热带森林3 种建群树种幼树光合作用的影响[J]. 生态学报,2007,27(4):1283-1291.
[7] 杨盛昌,林鹏,中须贺常雄. 5°C 夜间低温对红树幼苗光合速率和蒸腾速率的影响[J]. 植物研究,2001,21(4):587-591.
[8] KAO W Y,SHIH C N,TSAI T T. Sensitivity to chilling temperatures and distribution differ in the mangrove species Kandelia candel andAvicennia marina[J]. Tree Physiol,2004,24:859-864.
[9] 卞阿娜,王文卿. 厦门海湾大道耐盐园林植物的选择与配置[J]. 漳州师范学院学报,2009,22(3):125-129.
[10] 郑春芳,陈继浓,仇建标,等. 烯效唑对低温胁迫下秋茄幼苗光合作用与抗氧化系统的影响[J]. 植物生理学报,2016,52(1):109-116.
[11] 杨娟,马小伟,章宏琼,等. 温度对相同引种地三个秋茄居群遗传多样性的影响[J]. 杭州师范大学学报:自然科学版,2013,12(6):544-549.
[12] 余敏,杜照奎,王丽佳,等. 外源NO 缓解秋茄低温胁迫伤害的生理机制研究[J]. 湖北农业科学,2017,56(3):490-493.
[13] 康华靖,余宏傲,叶朝军,等. 温州地区主栽蓝莓品种叶片饱和光强的研究[J]. 热带亚热带植物学报,2018,26(4):399-406.
[14] 叶子飘. 光合作用对光和CO2 响应模型的研究进展[J]. 植物生态学报,2010,34(6):727-740.
[15] BILGER W,SJORKMAN O. Role of the xanthophylls cycle in photoprotection elucidated by measurements of light induced absorbancechanges, fluorescence and photosynthesis in leaves of Hedera canafiensis[J]. Photosynth Res,1990(25):173-185.
[16] FRACHEBOUD Y,HALDIMANN L P J,STAMP P. Chlorophyll fluorescence as a selection tool for cold tolerance of photosynthesis in maize(Zea mays L.)[J]. J Exp Bot,1999,50(338):1533-1540.
[17] ZHANG S R. A discussion on chlorophyll fluorescence kinetics Parameters and their significance[J]. Chin Bull Bot,1999,16(4):444-448.
[18] YORDANOVA R Y,ALEXIEVA V S,POPOVA L P. Influence of root oxygen deficiency on photosynthesis and antioxidant status in barleyplants[J]. Russ J Plant Physio,2003,50(2):163-167.
[19] WANG Y X,SUN G R,WANG J B,et al. Relationships among MDA content, plasma membrane permeability and the chlorophyll fluorescenceparameters of Puccinellia tenuiflora seedlings under NaCl stress[J]. Acta Ecol Sini,2006,26(1):122-129.

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备注/Memo

备注/Memo:
收稿日期:2019-09-23 ;修回日期:2020-01-30基金项目:浙江省自然科学基金资助(项目编号为LY18C030001);温州市重点科技创新团队项目资助(项目编号为C20150008-2)作者简介:李红,硕士,副教授,从事环境生态学研究;E-mail: lihong1114@126.com。通信作者:康华靖,博士,副教授,从事植物生理生态学研究;E-mail: kanghuajing@126.com。
更新日期/Last Update: 2020-04-20