栽培措施对龙胆产量及龙胆苦苷类成分含量的影响

为给龙胆药材生产提供栽培技术,在不同时间、以不同密度、分不同种苗等级以及在不同的前茬作物地块上移栽粗糙龙胆,秋季采用五点取样法测定产量,采用HPLC测定龙胆苦苷类成分含量。结果表明秋栽、一级种苗移栽、前茬作物为玉米,密度为125株/m²龙胆产量高,且龙胆苦苷含量都超过10.8%,但密度低龙胆有效成分含量高。秋栽、采用一级种苗移栽、轮作、移栽密度为125株/m²可达到优质高产的目标。

Effect of cultivated measures on the output of gentian and content of geitiopicroside and swertiamarin

Supply cultivated techniques to the production of gentian of fine quality. Transplant gentian separately according to the following factors: different transplanting time,density, grade seedling and preceding crop. Five plots sampling method was applied to determine the output of gentian and HPLC was applied to determine the contents of gentiopicroside and swertiamarin. The results showed that the output of gentian was higher and the content of gentiopicroside was over 10.8% as the following measures: cultivated at autumn; transplanted the first grade seedling; rotation; the transplanting density was 125 plant/m 2, but the content of gentiopicroside was higher as the transplanting density was lower.The better cultivation measures of gentian with high yield and fine quality were: cultivated at autumn;transplanted the first grade seedling; rotation; the transplanting density was 125 plant/m 2.