石漠化地区4株豆科植物根瘤菌与红三叶的共生效应研究  

Symbiotic Effect of 4 Trifolium pretense and Leguminous Rhizobia of Rocky Desertification Area

作　　者：王金华[1,2] 王明月[2] 张武先[2] 熊智[2] 刘绍雄[3] 郑毅[1,2] 

机构地区：[1]云南农业大学植物保护学院,云南昆明650201 [2]西南林业大学国家林业局西南地区生物多样性保育重点实验室,云南昆明650224 [3]中华全国供销合作总社昆明食用菌研究所,云南昆明650221

出　　处：《西部林业科学》2014年第5期53-57,共5页Journal of West China Forestry Science

基　　金：国家自然科学基金(31100007;31260504);云南省教育厅科学研究基金(2012Z068);云南省高校特色专业建设(50116001);西南林业大学大型仪器设备共享平台资助

摘　　要：利用4株分离自云南石漠化地区豆科植物的根瘤菌,接种于播种8个月的红三叶的盆栽苗(基质为石漠化土壤),测定根瘤菌对石漠化土壤的理化性质和红三叶的生长指标的影响、植株结瘤情况。结果表明,4株供试根瘤菌能改善土壤的理化性质,降低石漠化土壤的pH值,明显提高土壤的有机质、N、P、K、Ca、Mg等营养元素的含量;4株供试根瘤菌能提高红三叶的生长特性,增加其相对叶绿素含量和生物量,促进根系的生长,改善红三叶的结瘤情况,增加结瘤数量及根瘤的质量。红三叶生长周期短,根系发达,抗逆性强,是石漠化植被恢复治理的优良草种。Study on ecological effect of 4 leguminous Rhizobia in rocky desertification ecological system by pot exper -iment was conducted .The results showed that the 4 Rhizobia could improve soil physical and chemical properties of rocky desertification .Soil pH value was significantly reduced with obviously increase soil organic matter , such as N, P, K, Ca and Mg nutrients content .The 4 Rhizobia could improve the growth characteristic , relative chlorophyll content , and biomass of Trifolium pretense, and then promote root growth , improve nodular situation , increase the quantity and the quality of the nodule .Trifolium pretense could be widely applied in rocky desertification governance in the process of vegetation restoration with its short growth cycle , developed root system and strong resistance .

关 键 词：豆科植物 根瘤菌 石漠化 红三叶 生态效应 

分 类 号：Q949.751.9[生物学—植物学] S718.3[农业科学—林学]