434000 UPM Serdang Selangor D.E. Summary .
Viruses are one of the major problems in cucurbits growing area in Malaysia.
The five virus isolates can be differentiated using host ranges and symptoms on selected test plants and based on their different viral morphology. CMV, SqMV and ZYMV had been detected in several weeds species. Only SqMV is seed transmissible in peria and angled loofah. Almost all of the cucurbits were grown for local consumption with the exception of watermelon, which is exported. Virus diseases are a major problem in cucurbits planting areas all over the world.