KEY & CONVERSIONS
SUBSTRATE MOISTURE LEVEL TABLE
USDA PLANT HARDINESS ZONE AND AVERAGE ANNUAL MINIMUM TEMPERATURE RANGE
Level 1 Dry
Level 2 Medium Dry
Level 3 Medium Brown to dark brown
Level 4 Medium Wet
Level 5 Saturated Brown-black, glistening with water Water runs freely out of the substrate
Zone
Fahrenheit Below -50°F -50 to -45°F
Celsius
Substrate colour Substrate feel when squeezed in hand Substrate structure
Very light brown or grey
Light brown
Dark brown
1
Below -45.6°C -42.8 to -45.5°C -40.0 to -42.7°C -37.3 to -39.9°C -34.5 to -37.2°C -31.7 to -34.4°C -28.9 to -31.6°C -26.2 to -28.8°C -23.4 to -26.1°C -20.6 to -23.3°C -17.8 to -20.5°C -15.0 to -17.7°C -12.3 to -14.9°C -9.5 to -12.2°C -6.7 to -9.4°C -3.9 to -6.6°C -1.2 to -3.8°C 1.6 to -1.1°C 4.4 to 1.7°C above 4.5°C
2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b
-45 to -40°F -40 to -35°F -35 to -30°F -30 to -25°F -25 to -20°F -20 to -15°F -15 to -10°F -10 to -5°F
No moisture is detected in substrate
Substrate squeaks when squeezed
A small drop of water can be squeezed
Water can be easily squeezed
from the substrate
from the substrate
Substrate is dusty and freely scatters when blown
Substrate will barely stick together under pressure
Substrate will clump together but cracks apart under its own weight
Substrate easily clumps together and stays as one clump
Substrate has a semi-liquid consistency
-5 to 0°F 0 to 5°F
5 to 10°F 10 to 15°F 15 to 20°F 20 to 25°F 25 to 30°F 30 to 35°F 35 to 40°F above 40°F
CONTAINER CONVERSION FROM CM TO IN.
European Container
Equivalent U.S. Container
9 cm 5° – H
3.5 in. Standard
10.5 cm 5° – L 10.5 cm 5° – H 11 cm 8° – H 12 cm 8° – H 13 cm 8° – L 13 cm 5° – H 14 cm 5° – H 15 cm 5° – L 15 cm 5° – H
4 in. Azalea
10a 10b
4 in. Standard
11
4.25 in. Standard 4.5 in. Geranium
FERTILISER RATE TABLE
5 in. Azalea
5 in. Standard
Fertiliser Rate
PPM Nitrogen
Solution EC (mS/cm)
6 in. Trade 6 in. Azalea
One Two
Less than 100 ppm Less than 0.7 EC
6 in. Standard 6.5 in. Azalea Trade Gallon 8 in. Standard
100 to 175 ppm 0.7 to 1.2 EC
17 cm – L
Three
175 to 225 ppm 1.2 to 1.5 EC
15 to 18 cm – H
Four Five
225 to 300 ppm 1.5 to 2.0 EC
19 cm – L
23 cm/5 liter
8 in. /1.5 Gallon 10 in. /2 Gallon 12 in. /2.5 Gallon
More than 300 ppm More than 2.0 EC
25 cm/7-7.5 liter 30 cm/10 liter
KEY TO SYMBOLS AMP Amplified Seed COT Coated seed DTL De-tailed seed MPL Multi-seed pellet PEL Pelleted seed PMPL Precision ™ Multi-Pellet PRM Primed seed RAW Raw seed TRT Treated seed TRN
25 cm Hanging Basket 30 cm Hanging Basket
10 in. Hanging Basket 12 in. Hanging Basket
STAGES OF PLUG CULTURE Stage 1 Germination – from seed imbibition to radicle emergence Stage 2 Cotyledon expansion
Treated seed Non Chemical Additional culture info online at panamseed.com/culture
Stage 3 True leaf (leaves) expansion Stage 4 Pullable plugs or until shipping
NOTE: Growers should use the information presented here as guidelines only. PanAmerican Seed recommends that growers conduct a trial of products under their own conditions. Crop times will vary depending on the climate, location, time of year, and greenhouse environmental conditions. It is the responsibility of the grower to read and follow all the current label directions relating to the products. Nothing herein shall be deemed a warranty or guaranty by PanAmerican Seed of any products listed herein. PanAmerican Seed’s terms and conditions of sale shall apply to all products listed herein. Visit panamseed.com for current Terms & Conditions of Sale.
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