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Figure 7. Tithonia diversifolia stem cuttings in a non-replicated tithonia propagation experiment at ECHO in Florida. Twenty days after planting into commercial potting soil (with no rooting hormones used), the percentage of cuttings that produced shoots was 100% for green stems, 80% for woody stems, and 10% for roots. Twenty days after sowing, on the same day cuttings were planted, shoot emergence had occurred with 40% of the planted seeds.