摘要
豆科植物根系分泌物、结瘤因子、根瘤菌与其他具有竞争性的土壤微生物等生物因子,以及土壤水分、酸碱性和矿质营养等非生物因子均是影响根瘤菌-豆科植物共生固氮体系结构和功能的重要因素,其中生物因素的影响更为复杂和深远,在共生体的构建中起主导作用,深入地研究这些因素对根瘤菌-豆科植物侵染结瘤能力和固氮效率的影响,对促进环境保护和农业可持续发展具有极其重要的意义。从生物与非生物因素两方面着手,主要介绍了宿主植物、根瘤菌及环境因子对根瘤菌-豆科植物共生固氮的影响,并浅析了目前国内外在该方面研究中存在的一些主要问题及发展趋势。
The structure and function of Rhizobium-legume symbiosis are affected by biotic and abiotic factors such as root exudates,nod factors,soil moisture,mineral elements and so on,especially the biotic factors,which are the leading factor for building symbiosis.It has great significance for environmental protection and sustainable agricultural development to study the effect of Rhizobium legume nodulation ability of infection nod and nitrogen fixation efficiency.Present research analyzed the effect of biotic（host plants and Rhizobium）and abiotic factors（environmental factors）on Rhizobium-legume symbiotic nitrogen fixation,and discussed the problems needed to be further studied as well as the prospects.
出处
《草业科学》
CAS
CSCD
北大核心
2010年第6期64-70,共7页
Pratacultural Science
基金
"973"国家重点基础研究发展规划项目(2007CB108903)
