Morphological , chemical and biochemical characterization of St . John ’ s Wort ( Hypericum perforatum L . ) hybrids

After several years of inbreeding, we concluded that combination of advantageous properties of Hypericum perforatum lines is necessary. Two hybrids were established by reciproc crossing and their populations have been tested in the second year. Concerning drug production, hybrid F9 exceeded both parents. In the case of hypericin content, crossing resulted… CONTINUE READING