CAJ | 학술논문

采用溶磷圈法、钼锑抗比色法和Salkowski比色法，对分离自陕西6个区（县）的25株刺槐根瘤菌菌株进行了溶磷和分泌植物生长素（ IAA）能力的定性和定量测定。在溶磷能力的定性测定中，菌株SLCH171对有机磷和无机磷的溶解能力均最强；在定量测定中，菌株SLCH171对有机磷的溶解能力最强，SLCH184对无机磷的溶解能力最强，有10株菌既能溶解无机磷又能溶解有机磷。分泌IAA测定显示，有21个菌株具有分泌IAA的能力，以SLCH184的分泌能力最强；各菌株分泌IAA能力的定量测定结果与定性测定结果基本相符。
채용용린권법、목제항비색법화Salkowski비색법，대분리자협서6개구（현）적25주자괴근류균균주진행료용린화분비식물생장소（ IAA）능력적정성화정량측정。재용린능력적정성측정중，균주SLCH171대유궤린화무궤린적용해능력균최강；재정량측정중，균주SLCH171대유궤린적용해능력최강，SLCH184대무궤린적용해능력최강，유10주균기능용해무궤린우능용해유궤린。분비IAA측정현시，유21개균주구유분비IAA적능력，이SLCH184적분비능력최강；각균주분비IAA능력적정량측정결과여정성측정결과기본상부。
Using the methods of phosphate -dissolving circle , Mo-Sb colorimetry and Salkowski colorimetry , the author qual-itatively and quantitatively determined the abilities of dissolving phosphate and secreting IAA of 25 rhizobia strains isolated from Rob-inia pseudoacacia in 6 districts ( counties ) of Shaanxi province .In the qualitative test for phosphate -dissolving ability , it was found that the strain SLCH171 had the strongest ability to dissolve both organophosphorus and inorganic phosphorus ; in the quantitative test for phosphate-dissolving ability , the strain SLCH171 had the strongest ability to dissolve organophosphorus , while the strain SLCH184 had the strongest ability to dissolve inorganic phosphorus , and 10 of 25 strains could dissolve not only organophosphorus but also inorganic phosphorus .The results of determination of IAA -secreting ability showed that 21 strains had the ability to secret IAA, and SLCH184 had the strongest ability among them;the quantitative determination results of IAA -secreting ability of various strains basically conformed to the qualitative determination results .