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Douglas Bailey, Professor, and Brian Whipker, Extension Horticulture Specialist - page 12 / 16

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Table 1, continued.

Crop

Purpose

Gerbera Daisy,

To control plant height

continued

Product

B-Nine

To control peduncle length

B-Nine

To control plant height

B-Nine

Gloxinia

Gomphrena

Hibiscus

Cycocel

To control plant height

B-Nine

Bonzi

0.25 to 0.50 mg a.i. drench for a 6 inch pot (1 to 2 fl oz/gal of drench solution; apply 4 fl oz/6 inch pot)

Drench volumes and mg a.i. vary with pot size. Contact floricultural specialists at NC State University.

1,200 to 5,000 ppm spray (0.18 to 0.79 oz/gal)

1,250 ppm spray (0.19 oz/gal)

Phytotoxicity may occur at rates >1,250 ppm.

Application Method & Rate

Precautions & Remarks

2,500 to 5,000 ppm spray (0.39 to 0.79 oz/gal)

See Ageratum.

Application should be made when laterals are 1 to 4 inches long. Single applications control lateral growth for 3 to 6 months.

400 to 3,000 ppm spray (0.43 to 3.25 fl oz/gal)

2,500 to 5,000 ppm spray (0.39 to 0.79 oz/gal)

30 to 150 ppm spray (0.96 to 4.8 fl oz/gal)

Cycocel

200 to 600 ppm spray (0.22 to 0.65 fl oz/gal)

Multiple applications starting prior to first pinch are recommended. Start with 460 ppm in trials.

Holly

To control plant height

A-Rest

50 ppm spray (24.2 fl oz/gal)

0.25 mg a.i. drench for a 6 inch pot (1 fl oz/gal of drench solution; apply 4 fl oz/6 inch pot)

Hollyhock

To control plant height

Sumagic

5 to 40 ppm spray (1.3 to 10.2 fl oz/gal)

Hyacinth

To reduce stem topple

Florel

1,000 ppm spray (3.24 fl oz/gal)

Hybrid Lily

To control plant height

Bonzi

250 to 500 ppm spray (8.0 to 16.0 fl oz/gal)

Drench volumes and mg a.i. vary with pot size. Contact floricultural specialists at NC State University.

Contact floricultural specialists at NC State University.

See Caladium.

1.183 to 2.366 mg a.i. drench for a 6 inch pot (0.32 to 0.64 fl oz/gal of drench solution; apply 4 fl oz/6 inch pot)

20 to 30 ppm bulb soak (0.64 to 0.96 fl oz/gal)

Soak bulbs in the solution for 15 minutes prior to planting.

2.5 to 10 ppm spray (0.6 to 2.6 fl oz/gal)

1 to 10 ppm bulb soak (0.26 to 2.6 fl oz/gal)

Soak bulbs in the solution for 1 to 5 minutes prior to planting.

50 ppm spray (24.2 fl oz/gal)

0.25 mg a.i. drench for a 6 inch pot (1 fl oz/gal of drench solution; apply 4 fl oz/6 inch pot)

Drench volumes and mg a.i. vary with pot size. Contact floricultural specialists at NC State University.

2,500 to 7,500 ppm spray (0.39 to 1.18 oz/gal)

Contact floricultural specialists at NC State University.

400 to 3,000 ppm spray (0.43 to 3.25 fl oz/gal)

See Ageratum.

10 to 44 ppm spray (4.8 to 21.3 fl oz/gal)

See Ageratum.

5 to 45 ppm spray (1.44 to 2.02 fl oz/gal)

5 to 10 ppm spray (1.28 to 2.56 fl oz/gal)

400 to 3,000 ppm spray (0.43 to 3.25 fl oz/gal)

See Ageratum.

Hydrangea

Bonzi

Sumagic

To control plant height

A-Rest

B-Nine

Jerusalem Cherry

To control plant height

Cycocel

To control plant height

A-Rest

Bonzi

Sumagic

To control plant height

Cycocel

Hypoestes

Impatiens

12

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