YUYan-ping,LIANGDong-li,LIUKun-cheng,et al.EffectsofChillingStressonthePhysiologicalCharacteristicsof Manglietiainsignis Seedlings[J].Northern Horticulture,2013,37(16):69-71.
低温胁迫对红花木莲幼苗生理特性的影响
- Title:
- EffectsofChillingStressonthePhysiologicalCharacteristicsof Manglietiainsignis Seedlings
- 文章编号:
- 1001-0009（2013）16-0069-03
- 分类号:
- S685
- 文献标志码:
- A
- 摘要:
- 以1a生红花木莲苗木为试验材料，研究了不同梯度低温（0、4、8、12、25℃（CK））对红花木莲幼苗生理特性的影响。结果表明：低温胁迫下，其细胞膜透性增大、膜脂过氧化加剧，丙二醛大量积累，随着温度的降低，过氧化物酶（POD）活性、游离脯氨酸和可溶性蛋白质含量都呈现先升后降的变化趋势；红花木莲在12~4℃时表现出一定的抗寒能力，在0℃时受到严重伤害。
- Abstract:
- Takingone-year-old Manglietiainsignis seedlingsasmaterial，theeffectsofdifferentgradientlowtemperatures(0，4，8，12，25℃(CK))onphysiologicalcharacteristicsofManglietiainsignisseedlingwerestudied.Theresultsshowedthatunderlowtemperaturestress，thecellmembranepenetrabilityincreased，MDAprickedup，malondialdehydeaccumulatedmassively，PODactivity，freeprolineandthesolublesugarincreasedfirstandthendecreased.Manglietiainsignishadtheabilityofresistinglowtemperaturestresswhentheywereinthetemperaturebetween12℃and4℃.Andtheywouldbehurtwhentemperaturedecreasedto0℃.
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备注/Memo
第一作者简介：於艳萍（1986-），女，硕士研究生，研究方向为园林植物栽培及养护管理。
责任作者：王凌晖（1965-），男，博士，教授，现主要从事园林植物栽培及森林培育研究工作。E-mail：wanglinghui97@163.com.
基金项目：广西林业厅科学基金资助项目（桂林科字[2009]第22号）。
收稿日期：2013-04-15