Identıfıcatıon of Virus Causes of Mosaic Diseases in Zucchini Plants in the Bali Island of Indonesia

Mosaic disease has become epidemic in the zucchini (Cucurbita pepo L.) plantations on island of Bali, but cause is not yet known with certainty, although there are allegations common causes including Cucumber mosaic virus (CMV), Papaya ringspot (PRSV), Squash (SqMV), Watermelon (WMV), and Zucchini yellow (ZYMV). This study aims to ascertain which was carried out by observation symptoms, proving Koch’s postulates using Indirect-ELISA serological tests. method following manufacturer’s instructions DSMZ (Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH) Germany several antisera namely, (ZYMV, DSMZ, Germany), (CMV, Agdia Inc., USA) (PRSV, USA). Results showed that occurrence diseases very diverse symptoms as malformation distortion leaves fruits, blistering, vein clearing, banding shoestring ranging from 87.17% 92.72%. Following postulatesmechanical inoculations were diseased leaf extract obtained a success transmission rate 100%. Where, healthy plants inoculated symptomatic exhibit same found field. The main findings this tests 75% infected ZYMV many 8.33% positive CMV. There no PRSV. It can be concluded mosaics Bali