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Since variations in chrysanthemums are still limited, Indonesia still imports. An effort to expand the variation can be done through polyploidy techniques using colchicine. Pasopati varieties of the chrysanthemum were propagated in vitro and treated with colchicine and planted in different media compositions to observe performance and obtain superior genotype. Experiment with a factorial pattern that consist of two factors: the composition of the planting medium ( m 1  = top soil, m 2  = cocopeat, m 3  = husk charcoal, m 4  = top soil + cocopeat m 5  = top soil + husk charcoal, m6 = cocopeat + chaff charcoal) and polyploidy chrysanthemum genotypes (g 1  = KAR 0 , g 2  = KAR 1 , g 3  = KAR 2 , g 4  = KAR 3 , and g 5  = KAR 4 ) with two replications was designed. The results showed there were variations in plant height, stem diameter, number of nodes, number of floret, and stalk length on polyploidy Chrysanthemum genotypes due to different planting media. The m 4  = top soil + cocopeat can increase plant height, stem diameter, number of nodes, stalk length and number of floret KAR 4  genotype.

Agronomic Characteristics Enhancement on Genotypes of Chrysanthemum Polyploidy with Different Planting Media