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当前位置: 首页 > 文章 > 渍水对油菜苗期生长及养分吸收的影响 中国油料作物学报 2013,35 (6) 650-657
Position: Home > Articles > Effects of waterlogging on growth and nutrient uptake in oilseed rape seedlings Chinese Journal of Oil Crop Sciences 2013,35 (6) 650-657

渍水对油菜苗期生长及养分吸收的影响

作  者：
张树杰;廖星;胡小加;余常兵;谢立华;李银水
单  位：
中国农业科学院油料作物研究所;农业部油料作物生物学与遗传育种重点实验室
关键词：
渍水;油菜;生长恢复;土壤养分
摘  要：
为了解渍水对油菜的影响和恢复期油菜养分的变化,采用盆栽试验,研究不同持续时间的渍水对油菜(Brassica napus L.)品种中双11号苗期生长及养分吸收的影响。结果表明,渍水对苗期生长的不利影响不仅在于渍水期间,还在于渍水后生长恢复所需的时间。随渍水时间延长,叶片氮(N)、磷(P)、钾(K)、铁(Fe)、锌(Zn)、铜(Cu)含量显著降低,锰(Mn)含量显著升高;根系N、Fe、Zn、Cu含量显著升高,P含量显著降低,Mn含量在渍水3d时显著升高之后显著降低,而K含量没有显著变化。渍水使土壤中硝态氮与铵态氮的比例显著降低;速效P含量显著降低;速效K和有效态Fe、Zn含量出现先升高后降低的波动;有效态Cu在渍水期间没有显著变化,渍水后显著降低。
译  名：
Effects of waterlogging on growth and nutrient uptake in oilseed rape seedlings
作  者：
ZHANG Shu-jie;LIAO Xing;HU Xiao-jia;YU Chang-bing;XIE Li-hua;LI Yin-shui;Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences,Key Laboratory of Biology and Genetic Improvement of Oil Crops,Ministry of Agriculture;
关键词：
Waterlogging;;Oilseed rape;;Growth recovery;;Soil nutrient
摘  要：
To understand the nutrient uptaking during and after the waterlogging stress,a pot experiment was conducted to investigate the effects of different waterlogging durations on rapeseed growth and recovery using Brassica napus L.cv Zhongshuang 11.Results showed that the adverse effect of waterlogging on oilseed rape seedling was not only on growth during stress,but also on recovery period after flooding.The leaf nitrogen(N),phosphorus(P),potassium(K),iron(Fe),zinc(Zn) and copper(Cu) concentrations were significantly decreased,but the leaf manganese(Mn) concentration was significantly increased with the period of waterlogging lasted.The root N,Fe,Zn,and Cu concentrations were significantly increased,the root P concentration was significantly decreased,the root Mn concentration was significantly increased at 3d then significantly decreased,and the root K concentration was no significantly different during waterlogging.Moreover,in soils,the proportion of nitrate to ammonium and available P concentration were both significantly decreased.Available K,Fe and Zn concentrations were curved.Cu concentration in soils was no significantly different during waterlogging but significantly decreased after.

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