作　　者： ; ; ; ; ; ;

机构地区： 山东农业大学农学院

出　　处： 《植物营养与肥料学报》 2013年第4期940-945,共6页

摘　　要： 田间条件下研究了丹参的干物质和丹酚酸B积累与植株氮、磷、钾积累的特点及其相互关系。结果表明,丹参干物质积累总量随氮、磷、钾积累总量的增加呈直线增加趋势,相关系数达显著水平。丹参的叶、茎的干物质积累在整个生育期内呈先上升后下降的趋势;根部干物质积累呈上升趋势。在整个生育期内,丹酚酸B的积累趋势与丹参干物质积累趋势相似。不同时期,丹参对氮、磷、钾的吸收量不同。在移栽后30 d内对氮、磷、钾的吸收较少,分别占总吸收量的2.68%,2.23%,2.20%;移栽后60～120 d吸收量迅速增加,氮、磷、钾的吸收量占全部吸收量的58.57%,39.92%,50.18%;移栽120 d后又有所下降。总的来说,植株对氮的吸收量最多,钾次之,磷最少,整个生育期内对氮、磷、钾的吸收比例为1∶0.12∶0.46。 Salvia miltiorrhiza Bge. is one of Chinese traditional medicine. A field experiment was conducted to study the accumulation characteristics of dry matter, salvianolic acid B, nitrogen, phosphorus, potassium of Salvia miltiorrhiza Bge. and their relations. The results show that there are linear significant correlations between the dry matter accumulation and salvianolic acid B and the total accumulative amounts of N, P and K. In the whole growing period, the dry matter accumulation amounts in leaves, stems, flowers and fruits of Salvia miltiorrhiza Bge. increase at first and decrease at the last stages, while the dry matter accumulation amount in roots increase throughout the whole growing period. In the whole growing period, the accumulation amount of salvianolic acid B is in the same trend with the dry matter of Salvia miltiorrhiza Bge. The absorption capacities of N, P and K vary at different developing stages. The absorption capacities of N, P and K of Salvia miltiorrhiza Bge. are comparatively low within 30 days after the transplantation, which only account for 2.68%, 2.23% and 2.20% of the total absorptive capacities, increase rapidly within 60-120 days after the transplantation, which account for 58.57%, 39.92%, 50. 18% respectively, and then decrease. In general, the absorption capacity of N is the highest, and the absorption capacity of P is the lowest. The N ： P ： K ratio is 1 ： 0. 12 ： 0.46 for the whole growing period.

关 键 词： 丹参 干物质积累 丹酚酸 氮 磷 钾

领　　域： [农业科学]