Abstract
About 1, 800 academic literatures and technological materials mainly from papers of crop and breeding science have been collected in order to publish a book to analyze various characters of the paddy rice cultivar "Koshihikari". These literatures have been referred to items of chapters and paragraphs of the book and outlines of informations have been analyzed. Now, "Koshihikari" is considered as a main breeding objective and used in many cultivation technique studies in central and southern area of Japan, and also popular abroad. The literatures increased passing through 3 steps for 38 years after the cultivar registration of "Koshihikari" in 1956. From a viewpoint of good eating quality, "Koshihikari" was used in eating taste studies and as a breeding material, the easy lodging susceptibility promoted cultivation technique studies. "Koshihikari" still greatly influenced various new technique development studies. Another plan is also considered to utilize the collected literature information as a data base.
