不同类型菌根菌对烟草幼苗生理代谢的影响

摘要/Abstract

摘要： 在自然土壤中以VA菌根菌接种烟草幼苗,测得叶片中N、P、K、叶绿素含量、硝酸还原酶活性及蛋白质含量均高于对照;与对照相比,接种的幼苗中丙二醛(MDA)、过氧化氢(H₂O₂)含量减少,超氧物歧化酶(SOD)、过氧化氢酶(CAT)、过氧化物酶(POD)活性增加.同时以外生菌根菌两个菌株分别接种,与所测指标变化趋势相同,而且其中的Calvatia lilacina菌株超过VA菌根菌接种的效果.

关键词: 菌根菌, 烟草, 生理活性, 高寒草甸, 土壤含水量, 碳同位素, 植物叶片, 水分利用效率

Abstract: Tobacco seedlings were inoculated with VAmycorrhizal fungi in natural soil.The results showed that compared with the control,the contents of nitrogen,phosphorus,potassium and chlorophyll,nitrate reductase activity,and protein in leaves were higher,malondialdehyde(MDA) and hydrogen peroxide(H₂O₂) decreased,while the activities of superoxide dismutase(SOD),catalase(CAT),and peroxidase(POD) increased.Meanwhile,seedlings were inoculated with two strains of ectomycorrhizal fungi respectively,and the above physiological indices trended the same changes.Moreover,the effect of strain Calvatia lilacina was higher than that of VAmycorrhizal fungi.

Key words: Mycorrhizal fungi, Tobacco, Physiological metabolism, leaf, soil water content, carbon isotope, water use efficiency, alpine meadow

中图分类号:

S572.01

王元贞, 柯玉琴, 潘廷国. 不同类型菌根菌对烟草幼苗生理代谢的影响[J]. 应用生态学报, 2002, (1): 87-90.

WANG Yuanzhen, KE Yuqin, PAN Tingguo . Effects of different mycorrhizal fungi on physiological metabolism of tobacco seedlings[J]. Chinese Journal of Applied Ecology, 2002, (1): 87-90.

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