ABSTRACT The research about the effect of gamma rays dose of (Co-60) to the yield of okra variety (Abelmoschus esculantus), had been done since December 20, 1998 to February 12, 1999, at Mungkid Village, Mungkid District, Magelang Regency, Central Java. The kind of soil is latosol with pH 6,4 and the altitude is 340 meters. The radiation of okra has been done at BATAN, Pasar Jum'at, Jak…