Affiliation: | (1) National Agricultural Research Center, 3-1-1 Kannondai, Tsukuba 305-8666, Japan;(2) Chiba Prefectural Agriculture Research Center, Chiba, Japan;(3) Federal Biological Research Centre for Agriculture and Forestry, Braunschweig, Germany;(4) Koibuchi College of Agriculture, Ibaraki, Japan;(5) Present address: Musashino Seed Co., Ltd., Saitama, Japan |