Subject: Other Root Crops

Internal marketing and export of ginger in Nigeria: critical issues and suggestions for support mechanism
G.N. Asumugha

Functional properties of polysaccharides from tubers of yam bean (Pachyrrhizus erosus)
Pik Shan Wong and Lawrence Ramsden

Leaf volume as a physiognomic characterization model of tannia (Xanthosoma sagittifolium Schott) for the development of specialized olericultural genotypes in the clonal screening nursery
C.E. Gyansa-Easmon

Effect of variety, K-fertilizer, age at harvest and methods of storage on postharvest life in four sweetpotato varieties: factors affecting storability of sweetpotatoes
P.A. Okwuowulu and J.E. Asiegbu

Potato Agronomy

Effects of lodging on the canopy structure, photosynthetic rate and dry matter production in potato
Yoshiko Fujita, Fumihiko Kimura, Kazuto Iwama and Toshihiro Hasegawa

Potato growth and yield using micro-tuber as seeds in Qibainong, the southwest China
Kazuto Iwama, Toshihiro Hasegawa and Xu Zheng

The relationship between the root mass in seedlings and tuber generations in potato
Jun'ichi Kashiwagi, Kazuto Iwama, Toshihiro Hasegawa and Takayuki Nagata

Potato Genetics and Physiology

Seed size effect on the growth and yield of microtubers and conventional seed tubers in potato
Jackson Kawakami, Kazuto Iwama, Takehiro Watanabe and Toshihiro Hasegawa

Flower induction and true seed production (TPS) of potato and sweetpotato: case studies in low latitude areas in Peru and Indonesia
Yoshihiro Eguchi, Norma Gonz'alez de Maza, Ata Koswara, Sri Winarni, Sri Asututi and Skundra Maharaya

Herbicide tolerance in transgenic diploid potato plants with human cyp genes
Yasunobu Ohkawa, Marina Ivanova, Tetsuya Yamada, Hideyuki Inui and Hideo Ohkawa

Other Root Crops Poster Session

Control of common scab of potato by special fertilization method
Hozumi Yoshida and Naoharu Mizuno

Evaluation of oligofructan content in yacon (Smallanthus sonchifolius) germplasm
Koshun Ishiki, Armando Rubio, Veronica Salgado and Makoto Sugiura

Microtuber field performance in 27 potato genotypes
S. Tsuda

Starch fermented production from arrowroot (Maranta arundiancea) in commercial process
M. Leonel, M.P. Cereda, F.L.A. Camara and N. Dupuy

Mass multiplication of arbuscular mycorrhizal fungi Glomus microcarpum var microcarpum in transformed hairy root cultures of Chinese potato (Solenostemon rotundifolius) and cassava (Manihot esculenta)
V.P. Potty

Inducible expression of rat P450 gene controlled by PR promoter in transgenic potatoes
Tetsuya Yamada, Yuko Ohashi, Masahiro Ohshima, Hideyuki Inui, Hideo Ohkawa and Yasunobu Ohkawa