Study on Botanical Characters and Growth of Three Varieties of Siam Cardamon in Highland

Abstract

Since 1989, three varieties of Siam cardamon collected from Chanthaburi, Nakhon Sir thamarat and Krabi provinces had been cultivated at Doi Museur Horticultural Experiment Station, more than 800 metres above sea leve. Tak province and studied for such their characteristics as plant height, number of plants per cluster and inflorescence yield per plant. The result showed that the highest plant height was observed in the variety from Chanthaburi while that from Krbi expessed the inferior characteristics. The variety from Nakhon Sri thamarat displayed greaatest amount of inflorescences whereas the similar value ws seen in the variety from chanthaburi and Krabi. In terms of capsule setting, the variety from Nakhon Sri thamarat performed well; followed by the variety from Chanthaburi and Krabi. From This experiment, conclusion could be drawn that the variety collected from Nakhon Sri Thamarat should be recommended to farmers for growing as an intercrop between economic plant.