Subject: Plenary Session

Tropical root crops and poverty alleviation: challenges for the 21st century
S. Chandra
8

Matching the potential of root crops as commercial commodities with the needs of the poor
A. Westby, J. White, C. Collinson, R. Kapinga, and A. Graffham
14

CIP's strategy of sweetpotato improvement toward the 21st century
Dapeng Zhang
14

Root crops for food, cash and industry in Africa
M.O. Akoroda
15

New cultivation and utilization system for sweetpotato in Japan
Osamu Yamakawa
17

Functional properties of starches from tropical roots and tubers: starch behaviour under different agro-industrial stress conditions
D. Dufour, J.J. Hurtado, J. Ruales, C. Mestres
21

Role expectations for tropical tuber crops in the new millennium in India: networking concept
S. Edison
25