PROPAGATION GUIDE / ANNUALS
STAGE 2
STAGE 3
STAGE 4
KEY TIPS
(m) Level 4 (t) 75°F (24°C) (l) 1,500-2,000 f.c. (16,100-21,500 Lux) (f) Less than 100 ppm N (Less than 0.7 EC)
(m) Level 3-4 (t) 65-68°F (18-20°C)
(m) Level 2-4 (t) 60-65°F (16-18°C) (l) 3,500-5,000 f.c. (37,700-53,800 Lux) (f) Less than 100 ppm N (Less than 0.7 EC) (p) daminozide 2,500 ppm Spray or paclobutrazol 5 ppm Spray
Pentas have the ability to naturally lower the media pH. High iron levels or pH below 6.0 can cause marginal burn and yellowing on older or lower leaves. Raise pH by adding limestone. Extremely low pH can induce iron and manganese toxicity (brown or tan lesions on the foliage); use a base- forming fertiliser, such as 15-0-15. If symptoms do not improve, or if the pH is below 6.0, irrigate the crop with a hydrated lime solution; rinse foliage after application to avoid phytotoxicity. Calcium and magnesium deficiency: If pH falls below recommended target values, lower leaf interveinal chlorosis and foliar puckering can develop. Use fertilisers that contain magnesium during early crop development. Supplement with calcium nitrate to adjust pH. Avoid wide fluctuations in media moisture levels. PGR Note: Rates of up to 5,000 ppm daminozide or 10 ppm paclobutrazol have been found to be effective under warmer growing conditions. Temperature differential (DIF) can also be used to minimise height. Pentas have the ability to naturally lower the media pH. High iron levels or pH below 6.0 can cause marginal burn and yellowing on older or lower leaves. Raise pH by adding limestone. Extremely low pH can induce iron and manganese toxicity (brown or tan lesions on the foliage); use a base-forming fertiliser, such as 15-0-15. If symptoms do not improve, or if the pH is below 6.0, irrigate the crop with a hydrated lime solution; rinse foliage after application to avoid phytotoxicity. Calcium and magnesium deficiency: If pH falls below recommended target values, lower leaf interveinal chlorosis and foliar puckering can develop. Use fertilisers that contain magnesium during early crop development. Supplement with calcium nitrate to adjust pH. Avoid wide fluctuations in media moisture levels. PGR Note: Rates of up to 5,000 ppm daminozide or 10 ppm paclobutrazol have been found to be effective under warmer growing conditions. Temperature differential (DIF) can also be used to minimise height. Pentas have the ability to naturally lower the media pH. High iron levels or pH below 6.0 can cause marginal burn and yellowing on older or lower leaves. Raise pH by adding limestone. Extremely low pH can induce iron and manganese toxicity (brown or tan lesions on the foliage); use a base-forming fertiliser, such as 15-0-15. If symptoms do not improve, or if the pH is below 6.0, irrigate the crop with a hydrated lime solution; rinse foliage after application to avoid phytotoxicity. Calcium and magnesium deficiency: If pH falls below recommended target values, lower leaf interveinal chlorosis and foliar puckering can develop. Use fertilisers that contain magnesium during early crop development. Supplement with calcium nitrate to adjust pH. Avoid wide fluctuations in media moisture levels. PGR Note: Rates of up to 5,000 ppm daminozide or 10 ppm paclobutrazol have been found to be effective under warmer growing conditions. Temperature differential (DIF) can also be used to minimise height. Lucky Star Dark Red can exhibit leaf necrosis (chilling injury) when exposed to temperatures below 60°F (16°C). The extent of chilling injury depends on the exposure temperature and duration. Plants do grow out of minor damage when exposure is minimal but, to avoid any chilling injury, keep above 60°F (16°C) during production and transport. Performs best under high light and warm temperatures. If necessary, uniconazole (Sumagic) at rate of 2.5 ppm can be applied at 2 weeks after sowing for height control. Repeat 2 weeks later if needed.
(l) 2,500 f.c. (26,900 Lux) (f) Less than 100 ppm N (Less than 0.7 EC) (p) daminozide 2,500 ppm Spray or paclobutrazol 5 ppm Spray
(m) Level 4 (t) 75°F (24°C) (l) 1,500-2,000 f.c. (16,100-21,500 Lux) (f) Less than 100 ppm N (Less than 0.7 EC)
(m) Level 3-4 (t) 65-68°F (18-20°C)
(m) Level 2-4 (t) 60-65°F (16-18°C) (l) 3,500-5,000 f.c. (37,700-53,800 Lux) (f) Less than 100 ppm N (Less than 0.7 EC) (p) daminozide 2,500 ppm Spray or paclobutrazol 5 ppm Spray
(l) 2,500 f.c. (26,900 Lux) (f) Less than 100 ppm N (Less than 0.7 EC) (p) daminozide 2,500 ppm Spray or paclobutrazol 5 ppm Spray
(m) Level 3-4 (t) 75-77°F (24-25°C) (l) 4-6 mol·m¯²·d¯¹, 1,500-2,000 f.c. (16,100-21,500 Lux) (f) Less than 100 ppm N (Less than 0.7 EC)
(m) Level 2-4 (t) 68-75°F (20-24°C) (l) 6-8 mol·m¯²·d¯¹, 2,500 f.c. (26,900 Lux) (f) Less than 100 ppm N (Less than 0.7 EC) (p) daminozide 2,500 ppm Spray or paclobutrazol 5 ppm Spray
(m) Level 2-4 (t) 65-70°F (18-21°C)
(l) 10-12 mol·m¯²·d¯¹, 3,500- 5,000 f.c. (37,700-53,800 Lux) (f) Less than 100 ppm N (Less than 0.7 EC) (p) daminozide 2,500 ppm Spray or paclobutrazol 5 ppm Spray
(m) Level 3-4 (t) 68-73°F (20-23°C) (l) 1,000-2,500 f.c. (10,800-26,900 Lux) (f) Less than 100 ppm N (Less than 0.7 EC)
(m) Level 2-4 (t) 68-70°F (20-21°C) (l) 1,000-2,500 f.c. (10,800-26,900 Lux) (f) 100 to 175 ppm N (0.7 to 1.2 EC) (p) uniconazole 2.5 ppm Spray
(m) Level 2-4 (t) 68-70°F (20-21°C) (l) 2,500-5,000 f.c. (26,900-53,800 Lux) (f) 100 to 175 ppm N (0.7 to 1.2 EC)
(m) moisture (t) temperature (l) light (f) fertiliser (p) plant growth regulators
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