Invasive Species Compendium

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Abstract

Study on seed germination procedures in some medicinal plant species.

Abstract

In 1996, seeds of 5 medicinal plants, Withania somnifera, Ocimum pallens, Artemisia pallens, Cassia angustifolia and Solanum viarum, were collected from Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra, India, to study the optimum conditions for their germination. Without any pre-treatment, over 70% germination could be obtained in W. somnifera and A. pallens at 20 and 30°C, respectively. For C. angustifolia, soaking of the seeds in water for 24 h as pre-treatment and a germination temperature of 20°C is recommended. For O. pallens seeds, pre-treatment with 25% nitric acid for 10 min and germination at 30°C is recommended. For S. viarum, seed treatment with 12.5% nitric acid for 15 min followed by soaking in 1000 ppm GA for 24 h and alternate temperatures of 20-30°C improved germination. KEYWORDS: TROPAG | Withania somnifera | Cassia angustifolia | Solanum viarum | Ocimum | Artemisia pallens | drug plants | seeds | germination | seed treatment | soaking | dormancy breaking | temperature | INDIA | Maharashtra.