Effects of Plant Spacing and Harvest Stage on Dry Matter Production, Sennoside Yield of Senna (Cassia angustifolia Vahl.) under Arid Conditions
Anurag Saxena, M. M. Azam, Preety Rajkumari & Anand Jejal · Journal of Advances in Biology & Biotechnology · 2026
Senna (Cassia angustifolia Vahl.; syn. Senna alexandrina Mill.) is an important medicinal crop cultivated for its leaves and pods, which are rich in sennosides A and B, the principal anthraquinone glycosides used in pharmaceutical laxative formulations. Optimising agronomic pract...