Add time:07/21/2019         Source:sciencedirect.com

Cassia angustifolia Vahl is known for the production of leaves and pod shells containing high-value glycosides (sennosides) with enormous medicinal properties to cure constipation in all over the world. However, data on its agricultural practices is limited. The present study aim to optimize the sowing time, moisture regime, and harvesting date at sub-tropical conditions for getting maximum marketable produce. Experiments were performed over two years (2016 and 2017) into two sets. First one comprised of seven dates of sowing, and second experiments having four moisture regimes and four dates of harvest. In sub-tropical north Indian conditions, 15 March was the best sowing date with highest biological yield (17.446 q ha−1), sennoside content (2.18% in leaves and 3.26% in pods), and sennoside yield (45.943 kg ha−1). The 20% available soil moisture with 90 days of harvesting time was suitable for the maximum biological yield of senna (17.296 q ha−1). The maximum net return (67,989.0 Rs ha−1) was observed at 20% available soil Moisture (ASM) condition at 90 days harvesting. Hence, the study recommended that the 15 March sowing date, 20% available soil moisture and 90 days harvest for the Cassia angustifolia Vahl. provide more income to the farmers and industry. Development of cost-effective package of practices leading to the quality assurance will encourage its cultivation and availability of raw material to the industry.

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