GROWER SUCCESS GUIDE | VEGETATIVE PROPAGATION
Geranium Zonal ROCKY MOUNTAIN ™ Pelargonium zonale REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger.
URC, CC, AutoStix ®
Not Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
3.5–4 Weeks 70–74 °F (21–23 °C)
Recommended
Comments: To help reduce bottom leaf yellowing during propagation (e.g., on delayed shipments or where cuttings have gotten warm during shipping), Fascination ® can be sprayed on the cuttings at 2.0–2.5 ppm within 24 hours after sticking. Rocky Mountain growth can be controlled using sprays of Cycocel ® at 750–1,000 ppm and under hot conditions with a tank mix spray of Cycocel ® (1,000 ppm) + B-Nine ® WSG(2,500 ppm). Bonzi ® sprays are not recommended in propagation because of the chance of getting into the rooting media and stunting the plant. Florel ® can also be sprayed at 300–350 ppm 2.5–3 weeks after sticking and after good root formation to improve branching, reduce premature flowering, and to control growth. Do not spray Florel ® on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
Geranium Zonal ROSALIE ™ Pelargonium zonale REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger.
URC, CC, AutoStix ®
Not Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
3.5–4 Weeks 70–74 °F (21–23 °C)
Recommended
Comments: To help reduce bottom leaf yellowing during propagation (e.g., on delayed shipments or where cuttings have gotten warm during shipping), Fascination ® can be sprayed on the cuttings at 2.0–2.5 ppm within 24 hours after sticking. Rosalie growth can be controlled using sprays of Cycocel ® at 750–1,000 ppm and under hot conditions with a tank mix spray of Cycocel ® (1,000 ppm) + B-Nine ® WSG (2,500 ppm). Bonzi ® sprays are not recommended in propagation because of the chance of getting into the rooting media and stunting the plant. Florel ® can also be sprayed at 300–350 ppm 2.5–3 weeks after sticking and after good root formation to improve branching, reduce premature flowering, and to control growth. Do not spray Florel ® on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
Geranium Zonal TANGO ™ Pelargonium zonale REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger.
URC, CC, AutoStix ®
Not Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
3.5–4 Weeks 70–74 °F (21–23 °C)
Recommended
Comments: To help reduce bottom leaf yellowing during propagation (e.g., on delayed shipments or where cuttings have gotten warm during shipping), Fascination ® can be sprayed on the cuttings at 2.0–2.5 ppm within 24 hours after sticking. Tango growth can be controlled using sprays of Cycocel ® at 750–1,000 ppm and under hot conditions with a tank mix spray of Cycocel ® (1,000 ppm) + B-Nine ® WSG (2,500 ppm). Bonzi ® sprays are not recommended in propagation because of the chance of getting into the rooting media and stunting the plant. Florel ® can also be sprayed at 300–350 ppm 2.5–3 weeks after sticking and after good root formation to improve branching, reduce premature flowering, and to control growth. Do not spray Florel ® on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
Heliotrope SCENTROPIA ™ Heliotropium arborescens REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger.
URC, CC
Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
4.5–5 weeks 72–74 °F (22–23 °C)
Recommended
Comments: To control growth after rooting, a spray of B-Nine ® WSG (1,500–2,500 ppm) can be used. A tank-mix spray of Florel ® (350 ppm) + B-Nine ® WSG (1,500–2,500 ppm) can also be applied to control growth and improve branching.
Impatiens SILHOUETTE ® Impatiens walleriana REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger.
URC, AutoStix ®
Not Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
3.5–4 Weeks 70–74 °F (21–23 °C)
Recommended
Comments: To control growth, sprays of Bonzi ® (5 ppm) can be applied. Growers can also try a combo spray of Florel ® (350 ppm) + B-Nine ® WSG (1,500 ppm) to control growth and improve branching.
Impatiens New Guinea SONIC ® Impatiens hawkeri REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger.
URC, CC, AutoStix ®
Not Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
3.5–4 Weeks 70–74 °F (21–23 °C)
Recommended
Comments: To control growth, sprays of Bonzi ® (1–2 ppm) are generally used. Growers can also spray Florel ® (250–300 ppm) at 1–2 days after sticking unrooted cuttings to reduce premature flower bud development and help provide more uniform (but delayed) flowering during finishing. This is a good strategy for baskets or large patio pots where early flowering is not desired.
Impatiens New Guinea SUPER SONIC ® Impatiens hawkeri REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105–cell (30 mm) or larger
URC, CC, AutoStix ®
Not Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after 3–4 days and after cuttings become fully hydrated. Not
3.5–4 Weeks 70–74 °F (21–23 °C)
Recommended
Comments: To control growth, sprays of Bonzi ® (1–2 ppm) are generally used. Growers can also spray Florel ® (250–300 ppm) at 1–2 days after sticking unrooted cuttings to reduce premature flower bud development and help provide more uniform (but delayed) flowering during finishing. This is a good strategy for baskets or large patio pots where early flowering is not desired.
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