Evaluation of Different Collections of Hypericum perforatum L. in Himachal Pradesh for Biomass Yield and Hypericin Content

The present study evaluated different collections of Hypericum perforatum L. growing in Himachal Pradesh for biomass yield and hypericin content. The maximum fresh weight (49.98 g/plant) and dry weight (16.04 g/plant) was recorded in Hyp-V collected from Dochidhar area of Shimla District while Hyp-Vl collected from Koftdhar had maximum height (59.46 em). The maximum hypericin (0.109 percent) was recorded in Hyp-II and Hyp-VlI collections.