Performance evaluation of tissue culture-derived chrysanthemeum (Chryanthemum morifolium Ramat) planting materials and cut flower vase life assessment
2019
Valida, I.A. | Acedo, V.Z.
Chrysanthemum (Chrysanthemum morifolium Ramat) is conventionally propagated using suckers and stem cuttings which often result to low quality plants and flowers. With in vitro techniques, clean planting materials resulting to quality flowers can be obtained. The study was conducted to evaluate the performance of tissue culture-derived chrysanthemum plants and the vase life of the flowers produced. Suckers and stem cuttings measuring 10-12 cm were planted in black polyethylene pots (6x6x11) containing growing medium consisting of garden soil (GS): vermicast (V) and carbonized rice hull (CRH) at 1:1:1 by volume. Complete fertilizer (14-14-14) and a calcium-based fertilizer were applied at the rate of 1tbsp per gallon on weekly interval for two months. The vase life of cut-flowers was tested using different holding solutions (distilled water, 2% sucrose, 4% sucrose, 100 mg/l citric acid, and 200 mg/L citric acid). Results showed that stem cutting-derived plants produced flowers earlier than sucker-derived ones at 6 and 8 weeks from planting respectively. However, the former produced more flowers per stalk (51.07) than the latter (46.85). with regard to the vase life, citric acid at 200 mg/L was the best among the treatments wherein the flowers were still fresh-looking after 7 days while those in the other treatments were wilted and dehydrated after 4 days.
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