Hutapea, Dedi; Balai Penelitian Tanaman Hias; Rahardjo, Indijarto Budi; Balai Penelitian Tanaman Hias; Marwoto, Budi; Balai Penelitian Tanaman Hias; Soehendi, Rudy; Balai Penelitian Tanaman Hias (Indonesian Center for Horticulture Research and Development, )