| abstract |
(57) [Summary] (Corrected) [Constitution] At least one fruiting body of a basidiomycete selected from the basidiomycetes belonging to the genus Basidiomycetes, Agaricaceae, Fusaceae, Echinshimejiaceae or Hitochiokeceae. And a substance which inhibits DNA polymerase β activity obtained by subjecting the extract to extraction treatment with chloroform, concentrating and drying the obtained extract. [Effect] This substance is useful as a plant seed formation inhibitor. |