The study reveals that in absence of modern health facility, people in the area depend on plants for medicinal purposes. The general information shows that more than 80% of the rural people depend for their primary healthcare on folk medicine, mainly of plant origin. According to survey the people of Churu district use 68 different plants belonging to 33 families for curing various ailments, out of which 25 were herbs, 16 shrubs, 13 trees, 7 ephemerals and 11 climbers and twinners. In most of the case (31%), leaves were used for curing ailment followed by roots, seeds and whole pant (Fig.2). Flowers, Gum and latex were the least used plant parts.
It is estimated that biomass covers currently up to 15% of the world energy demand, almost 1/3 of all energy consumption in the Less-Developed Countries. This rate was over the last years rather constant, with increasing overall demand bioenergy consumption increased in absolute terms.
Table 1 : World Energy Consumption pattern 1997 (ref 1)
Biomass Share
Total World 9.6 Bio TOE 1-1.5 Bio TOE 11-15%
Asia 2.3 Bio TOE 0.6-0.8 Bio TOE >30%
Africa 0.4 Bio TOE 0.2-0.27 Bio TOE >50%
Lat. America 0.4 Bio TOE
GM potential crops in world production and trade