杨树凋落叶腐解对生菜生长和抗性生理的影响

赵洪斌; 王守强; 胡开波; 左明华; 朱子政

doi:10.16779/j.cnki.1003-5508.2013.06.005

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杨树凋落叶腐解对生菜生长和抗性生理的影响

赵洪斌 , 王守强 , 胡开波 , 左明华 , 朱子政

文章导航 > 四川林业科技 > 2013 > 34(6): 16-21

赵洪斌, 王守强, 胡开波, 左明华, 朱子政. 杨树凋落叶腐解对生菜生长和抗性生理的影响[J]. 四川林业科技, 2013, 34(6): 16-21. doi: 10.16779/j.cnki.1003-5508.2013.06.005

引用本文:

ZHAO Hong-bin, WANG Shou-qiang, HU Kai-bo, ZUO Ming-hua, ZHU Zi-zheng. Effects of Decomposed Leaf Litter of Populus on Growth and Resistance Physiology of Lactuca sativa[J]. Journal of Sichuan Forestry Science and Technology, 2013, 34(6): 16-21. doi: 10.16779/j.cnki.1003-5508.2013.06.005

Citation:

ZHAO Hong-bin, WANG Shou-qiang, HU Kai-bo, ZUO Ming-hua, ZHU Zi-zheng. Effects of Decomposed Leaf Litter of Populus on Growth and Resistance Physiology of Lactuca sativa[J]. Journal of Sichuan Forestry Science and Technology, 2013, 34(6): 16-21. doi: 10.16779/j.cnki.1003-5508.2013.06.005

杨树凋落叶腐解对生菜生长和抗性生理的影响

doi: 10.16779/j.cnki.1003-5508.2013.06.005

详细信息

旺苍县林业和园林局，四川广元 628200;四川林业调查规划院，四川成都 610081

作者简介:
赵洪斌(1974-),男,四川旺苍人,工程师,主要从事林业科技与森林资源方面工作。

中图分类号: S714

Effects of Decomposed Leaf Litter of Populus on Growth and Resistance Physiology of Lactuca sativa

More Information

Wangcang Forestry and garden Administration Bureau, Wangcang 628200, Sichuan, China;Sichuan Forest Inventory and Plan Institute, Chengdu 610081, Sichuan, Chian

摘要: 本实验以生菜为受体,采用盆栽试验,对杨树凋落叶在土壤腐解过程的化感作用进行了研究。试验设置4个凋落叶添加水平,即:A₁(30 g·pot^-1)、A₂(60 g·pot^-1)、A₃(90 g·pot^-1)和对照CK (不施加凋落叶),分别将各处理凋落叶与8 kg土壤混合后装盆,播种生菜。在播种后50 d测定生菜株高、生物量及抗性生理指标。结果表明:1)A₃处理植株株高受到显著抑制,A₂、A₃处理植株生物量积累受到显著抑制;2)受体叶片超氧化物歧化酶(SOD)活性随着凋落叶量的增加呈先升后降的趋势;3)A₂、A₃叶片丙二醛(MDA)含量均大于对照(CK),且随凋落叶处理量增大呈渐增趋势;4)各处理叶片可溶性糖(SS)含量均显著高于对照(CK),可溶性蛋白(SP)含量则均显著低于对照(CK)。由此可见,杨树凋落叶在土壤腐解的过程中生菜的生长会受到影响,在高量处理时表现为明显的抑制。
- 杨树凋落叶;
- 生菜;
- 化感作用;
- 生长;
- 抗性生理
Abstract: By using pot experiments,researches was conducted on the effects of leaf litter of Populous on the growth and resistance physiology of Lactuca sativa during the decomposition process of leaf litter. Each pot contained 8 kg soil mixed with 30,60,90 and 0 g leaf litter. Height,biomass,and several resistance physiology indexes of Lactuca sativa were determined on 50 d after sowing. The results showed that 1) the heigh of A₃ was inhibited significantly on 50 d after planting,and the biomass of A₂ and A₃ was inhibited significantly; 2) The activities of superoxide dismutase (SOD) increased in low litter content and decreased in higher litter content; 3) The content of malondialdehyde (MDA) of A₂ and A₃ was higher than that of control(CK),and moreover,it increased along with the addition of leaves; 4) The content of soluble sugar(SS) in each treatment was significantly higher than that of control(CK),whereas the content of soluble protein (SP) was significantly lower than that of control(CK). On the whole,the high content leaf litter of Populous had a serious allelopathic effect on Lactuca sativa during its initial decomposition process in soil.
- Populous leaf litter;
- Lactuca sativa;
- allelopathy;
- resistance physiology;

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杨树凋落叶腐解对生菜生长和抗性生理的影响

doi: 10.16779/j.cnki.1003-5508.2013.06.005

旺苍县林业和园林局，四川广元 628200;四川林业调查规划院，四川成都 610081

作者简介:
赵洪斌(1974-),男,四川旺苍人,工程师,主要从事林业科技与森林资源方面工作。

收稿日期: 2013-08-15

中图分类号: S714

关键词:

摘要: 本实验以生菜为受体,采用盆栽试验,对杨树凋落叶在土壤腐解过程的化感作用进行了研究。试验设置4个凋落叶添加水平,即:A₁(30 g·pot^-1)、A₂(60 g·pot^-1)、A₃(90 g·pot^-1)和对照CK (不施加凋落叶),分别将各处理凋落叶与8 kg土壤混合后装盆,播种生菜。在播种后50 d测定生菜株高、生物量及抗性生理指标。结果表明:1)A₃处理植株株高受到显著抑制,A₂、A₃处理植株生物量积累受到显著抑制;2)受体叶片超氧化物歧化酶(SOD)活性随着凋落叶量的增加呈先升后降的趋势;3)A₂、A₃叶片丙二醛(MDA)含量均大于对照(CK),且随凋落叶处理量增大呈渐增趋势;4)各处理叶片可溶性糖(SS)含量均显著高于对照(CK),可溶性蛋白(SP)含量则均显著低于对照(CK)。由此可见,杨树凋落叶在土壤腐解的过程中生菜的生长会受到影响,在高量处理时表现为明显的抑制。

English Abstract

Effects of Decomposed Leaf Litter of Populus on Growth and Resistance Physiology of Lactuca sativa

Wangcang Forestry and garden Administration Bureau, Wangcang 628200, Sichuan, China;Sichuan Forest Inventory and Plan Institute, Chengdu 610081, Sichuan, Chian

Received Date: 2013-08-15

Keywords:

Abstract: By using pot experiments,researches was conducted on the effects of leaf litter of Populous on the growth and resistance physiology of Lactuca sativa during the decomposition process of leaf litter. Each pot contained 8 kg soil mixed with 30,60,90 and 0 g leaf litter. Height,biomass,and several resistance physiology indexes of Lactuca sativa were determined on 50 d after sowing. The results showed that 1) the heigh of A₃ was inhibited significantly on 50 d after planting,and the biomass of A₂ and A₃ was inhibited significantly; 2) The activities of superoxide dismutase (SOD) increased in low litter content and decreased in higher litter content; 3) The content of malondialdehyde (MDA) of A₂ and A₃ was higher than that of control(CK),and moreover,it increased along with the addition of leaves; 4) The content of soluble sugar(SS) in each treatment was significantly higher than that of control(CK),whereas the content of soluble protein (SP) was significantly lower than that of control(CK). On the whole,the high content leaf litter of Populous had a serious allelopathic effect on Lactuca sativa during its initial decomposition process in soil.