期刊论文

Effects of soil water stress on chlorophyll fluorescence characteristic of two blueberry varieties

中文

中南林业科技大学学报

1673-923X

2019

39

8

109-114,138

10.14067/j.cnki.1673-923x.2019.08.016

湖南省科技计划项目(2015NK3040) 湖南林业科技项目(XLK201618) 长沙市现代农业科技项目(KJ2017-ZN-03).

本校为第一机构

以‘莱格西'和‘灿烂'2个蓝莓品种为试验材料,采用盆栽试验进行水分胁迫(干旱胁迫、水淹胁迫),研究水分胁迫对2个品种蓝莓叶生长、叶绿素含量及叶绿素荧光特性的影响。结果表明:1)随着水分胁迫程度的加剧,‘莱格西'和‘灿烂'的叶长、叶宽、比叶重整体呈下降趋势;2)叶绿素含量随着水分胁迫程度的加剧而显著降低(P < 0.05),二者的总叶绿素含量在重度水淹胁迫下分别下降77.14%和55.82%,下降至最小值;3)在水分胁迫下2个蓝莓品种的PS Ⅱ光反应中心受到一定程度的伤害,最小荧光(F_0)、非光化学淬灭(qN)呈上升趋势,而最大荧光(F_m)、可变荧光(F_v)、PS Ⅱ原初光能转化效率(F_v/F_m)、PS Ⅱ的潜在活性(F...

In order to study the effect of water stress on theleaf growth, chlorophyll content and chlorophyll fluorescence characteristics of blueberry, using ‘Legacy' and ‘Britewellt' as experimental materials to carry out water stress (drought stress, waterlogging stress) in pot experiment. The results were as follows: 1)With the increase of water stress, the leaf length, leaf width and specific leaf weight of ‘Legacy' and ‘Britewellt' showed a downward trend. 2) chlorophyll content decreased significantly(P < 0.05) with the increase of water stres...