Jatropha curcas is a member of . Euphorbiaceae, a multipurpose tree grows well under adverse climate in low to high rain fall areas (200-1500 mm y-1), but best in ~600 mmy-1 as a commercial crop. . The epigenetic responses encounter morphological and physiological adjustments for plant performance and seed production. . The potential seed yield are prone to vulnerable drought and waterlogging in . Jatropha. . Impact of epigenetics on . Jatropha is presented in the book for precision cultivation to optimise plant performance and bio-fuel production for blending with fossil diesel to mitigate climate change. . By 2015, expected to expand its cultivation on 12. 8 mha worldwide. . Though acclaimed widely for its oil, . Jatropha never expressed its potential for oil productivity due to lack of moisture and nutrition. . Its flowering frequency and season, male–female flower ratio dependent on soil fertility, soil water content, . RH and temperature. . In drier agro-climatic zones it exhibits only one. .