ABSTRACT The research of effect of plant support and kinds of organic manure on yield of seedless water melon (Citrullus vulgaris, Schard) variety Quality, had been caried out in Oktober 20, 1995 until January 20, 1996 at Bumirejo vilage, Mungkid districk, Magelang regency, Central Java. The soil type is latosol with 6,7 pH and the altitude 340 metres above the sea level. The research meth…