Author's Organization:Nanjileg Agr. Univ Faculty of Horticulture. Chiba University National Agriculture Research Celeter Faculty of Horticulture. Chiba University
Published: December 01, 1993Received: February 10, 1993Available on J-STAGE: April 18, 2008Accepted: September 16, 1993
Advance online publication: -
Revised: -