Traditional knowledge on Nicobari aloo (Dioscorea alata L.) among Nicobari tribal community of Car Nicobar Island, India

Abstract

Nicobarese, the dominant tribe of Andaman and Nicobar Islands, rely on coconut-based cropping systems and fishing for livelihood. The Nicobari aloo (Dioscorea alata) is valued staple food crop for the community. Diverse types of Dioscorea alata are conserved in different parts of the islands. The acquired knowledge on this food crop over the generations is vital for the sustenance. The Nicobarese live in joint family system called “Tuhet” which share land, coconut palms, tuber crops and livestock. Each tuhet cultivates different varieties of Nicobari aloo along with other crops. It was observed and documented that this tribe cultivate Nicobari aloo in traditional way even at present, as natural/organic farming practices without using fertilisers and chemicals. The community makes away of preparations of Nicobari aloo tubers for regular consumption as well as during village festivals. This paper documents the traditional knowledge of the tribe on this tuber species, varieties, cultivation and utilisation.