last updated: 16 June 2003

Dr. John Calilan de Leon

A. Current Affiliation

Supervising Science Research Specialist
Philippine Rice Research Institute
Plant Breeding and Biotechnology

B. Educational Background

1990 BS Agriculture
UP Los Baños

1994 MS Plant Breeding
UP Los Baños

2001 PhD Bioprocess Engineering
UGAS, Iwate University

C. Research Fields/Fields of Expertise

Research fields:

• Plant Breeding
• Genetics
• Plant Physiology

Additional keywords:

• Hybrid rice
• Hetersosis
• Genetic diversity

D. Academic Awards

• 2002 Talent Search for Young Scientists (2nd Prize) National Academy of Science and Technology-DuPont
• 1998 Outstanding Scientific Paper Award National Academy of Science and Technology

E. Academic Societies

• Member Crop Science Society of the Philippines
• Member SABRAO
• Chairman Rice Varietal Improvement Group

F. Publications - Conferences

Analysis if F1 and F2 Diallel Crosses of Rice for Combining Ability and Heterosis
Toshinori Abe and Takeo Sasahara (co-author/s)
4th International Symposium on Hybrid Rice, Hanoi, Vietnam, May 14-17, 2002

None
Fourth Asian Regional Meeting for Plant Variety Protection, EDSA-Shangri-la, Manila, March 10-14, 2003

G. Publications - Journals

Variations in morpho-physiological traits relating to seedling vigor and heterosis in reciprocal crosses of rice
de Leon JC, T Abe and T Sasahara
Breeding Science 51, 57-61, 2001

Japanese cultivar cytoplasm affects seedling vigor and heterosis
de Leon JC, T Abe and T Sasahara
International Rice Research Notes 26.1, 16-17, 2001

Pedigree-based genetic diversity analysis of improved rice (Oryza sativa L.) varieties in the Philippines
de Leon JC and AL Carpena
Philipp. J. Crop Sci. 20(1), 1-12, 1995

H. Publications - Books

Hybrid Rice Seed Production Training Manual
SS Mina-Roguel (ed.)
PhilRice, Philipines, 2003

Advances in Hybrid Rice Technology
SS Virmani et al. (eds.)
IRRI, Philippines, 1998