SEED
Sunfinity ® PGR Guide • Sunfinity ® is a free-branching and blooming sunflower that is truly unique from any other annual sunflower on the market. • Due to this habit, Sunfinity ® benefits from the application of plant growth regulators (PGRs) during finish. • This PGR Guide was designed to help growers make the best choice about when and what PGRs to apply to their crops. • For additional questions or support, reach out to the Syngenta Flowers Technical Team.
Control
To show final drench is critical
Spring recommendation
Summer recommendation
Syngenta hybrid Bonzi ® drench alternative
Larger plant causes difficulties in space efficiency, cart racking, and increases retail irrigation needs. X
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Final drench is critical to control stretch at cracking color to achieve optimal finish height. This plant is too tall.
Use this protocol for cooler temperatures, shorter photoperiods, and lower DLIs.
Use this protocol for warmer temperatures, longer photoperiods, high DLIs, and
Replace first drench with a less laborious spray. This provides good height control, but delays flow- ering by approximately one week.
There is not enough height control with only two sprays. Greater control may have been achieved with an additional tank mix application 1–2 weeks after the pinch.
increased irrigation.
Finish heights: 38 in (97 cm)
26 in (66 cm)
24 in (61 cm)
22 in (56 cm)
22 in (56 cm)
30 in (76 cm)
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