三七丛枝菌根（AM）的研究

研究发现,丛枝菌根真菌(AMF)能侵染三七根系并形成典型的丛枝菌根(AM),侵染率在12%～30%,但侵染强度较弱。从三七根际采集的10个土样中共分离出15种AMF,Glomus属11种,Acaulospora属4种,分别是瘤状无梗囊霉、刺无梗囊霉、孔窝无梗囊霉、细齿无梗囊霉、地球囊霉、明球囊霉、缩球囊霉、单孢球囊霉、近明球囊霉、地表球囊霉、小果球囊霉、摩西球囊霉、何氏球囊霉、晕环球囊霉和网状球囊霉。其中,地球囊霉是三七的优势种。因此,AMF是三七丰产栽培中的一种潜在应用价值的生物资源。

Study on Arbuscular Mycorrhizae of Panax notoginseng

Arbuscular mycorrhizal fungi can infect the roots of Cercidiphyllaceae and form arbuscular mycorrhizae.Infection rate is from 12% to 30%,but infection strength is weak.4 species of Acaulospora and 11 species of Glomus were isolated and identified,including Acaulospora tuberculata,A.spinosa,A.foveata,A.denticulate,Glomus geosporum,G.clarum,G.constrictum,G.monosporum,G.laroideum,G.versifome,G.microcarpum,G.mosseae,G.hoi,G.halonatum and G.reticulatum.Among them,G.cercidiphyllorum is advantage species.So AMF may be a potent resource of biology which can stimulate the growth of Panax notoginseng.