industrial hemp @ k-statewomenmanagingthefarm.com/.../griffin_industrial_hemp.pdf · 2020-02-25 ·...
TRANSCRIPT
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Industrial Hemp
@ K-StateTrying To Fill The Research Void
Dr. Jason J. Griffin
John C. Pair Horticultural Center
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Many Thanks!
CRAIGER Enterprises
Multistate project 1019339: Industrial Hemp Production, Processing and Marketing in the U.S.
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Facebook: @kstateindustrialhemp
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2019 Industrial Hemp Pilot
Research Program• Generated a rush of excitement in new & experienced farmers
• Need for unbiased, research based information
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2019 Industrial Hemp Pilot
Research Program• Generated a rush of excitement in new & experienced farmers
• Need for unbiased, research based information
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Why Grow Industrial Hemp
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K-State’s Role in Industrial Hemp
• Research, Extension, & Teaching• Production• Improvement• BMPs
• Education
• We have just completed 1st grow
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K-State’s Role in Industrial Hemp
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2019 Industrial Hemp Reports
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Grain & Fiber vs. CBD
• Seed
• Male & female plants
• Pollen is necessary
• Rarely go ‘hot’
• Grain or Stem is harvest
• Agronomy Crop
• Clones (feminized seed)
• Female only
• Pollen is mortal enemy
• Potential to be ‘hot’
• ♀ flowers harvested
• Horticulture Crop
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Grain & Fiber vs. CBD
Agronomy Crop Horticulture Crop
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CBD Grain & Fiber
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Feminized Seed
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Botany of Cannabis sativa L.
• Wind-pollinated summer annual.– Grain & Fiber: Pollen =
– CBD Hemp: Pollen =
• Can be dioecious (normally) or monoecious (occasionally).
• Strongly photo-period sensitive– Flowers when days begin to shorten, regardless of size– Fall or Winter = Lights
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Grain & Fiber
• Grain
• 30 #/A approx. ½” deep
• Harvest @ 75% mature
• Harvest w/ combine
• Dried to 8% for storage
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Grain & Fiber• Fiber
• 60 #/A approx. ½” deep
• Harvest when male senesce
• Swather (or sickle) to cut & retting for 2-3 wks
• Bale @ 15% moisture
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K-State’s Role in Industrial Hemp
• Grain & Fiber• Variety Trials
• 17 varieties
• Strong Genotype x Environment
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Fiber & Grain at Wichita (JCPHC)
• 14 Grain varieties
• 3 Fiber varieties
• 4 x 22 ft plots
• 4 replications
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Fiber & Grain at Wichita (JCPHC)
• Drilled ½” deep
• 100#/A N preplant
• Hand cultivated weed control, once
• Irrigation as needed to prevent drought stress
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Fiber & Grain at Wichita (JCPHC)
• Germination in 7-10 days
• First planting flooded
• Second planting success
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Fiber & Grain at Wichita (JCPHC)
• Harvest by hand
• 70% mature grain
• Dry to 5 – 8% moisture
• Clean
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‘Waste’ products may have some value
After threshing and seed cleaning = 22% protein
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CRS1
Fedora 17
Futura75
HlesiaHlukauskii51
KataniUSO 31
Felina 32HelenaJoeyTygraCFX1Canda
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7385563738
132028125958
55644 51260
72843
52103
100159
CFX1 CRS1 Fedora 17 Felina 32 Helena Hlesia Hlukhivs’ki 51
Tygra USO 31
Grain – Plants/AcreA A
AB
BCBC BC
CC C
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831
1212 1191
1576
2123
798 805974
1202
CFX1 CRS1 Fedora 17 Felina 32 Helena Hlesia Hlukhivs’ki 51
Tygra USO 31
Grain Weight #/Acre
B
A
BC
C
BC
CC
BC
C
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Grain Weight (g)/plant
5.50
9.10
4.606.40
17.90
7.90
5.30
9.70
6.00
CFX1 CRS1 Fedora 17 Felina 32 Helena Hlesia Hlukauskii51
Tygra USO 31
BCD
A
CDD
BC
D
B
D
BCD
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Grain Wt/Acre (lbs)Variety Kansas NY KY VT
Helena 2,100 525
Tygra 972 400 819
Felina 32 1,570 400 829
USO 31 1,195 625 756
CFX 1 830 550 1035
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• Fiber– Multiple uses from Textiles to Construction
– Product is bailed and processed to separate different types of fiber
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178062
85510
459845
Eletta Campana Fibranova SS Beta
Fiber – Plants/Acre
C
A
B
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8916
6194
10882
Eletta Campana Fibranova SS Beta
Fiber – Stem Dry Wt. #/Acre
B
A
A
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8.5
9.7
5.8
Eletta Campana Fibranova SS Beta
Fiber – Stem Caliper (mm)
A
C
B
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Pests?• Spotted Cucumber Beetle
• APHIDS
• APHIDS
• APHIDS
• Lepidoptera Larvae
• Eurasian Hemp Borer
• Army worm
• Russet Mites
• Botrytis
• Powdery Mildew
• APHIDS
• Stem Girdling Roots
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Eurasian Hemp Borer Aphid/LadybugProduction
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Russet Mites
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Botrytis (Grey Mold) Powdery Mildew
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• Some alleged uses of CBD
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D.W. Pate (1999); The Phytochemistry of Cannabis…
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Hemp for cannabinoids…• For optimal production, would essentially be the same exact system as
producing high-quality marijuana.
– Much of our information is derived anecdotally from marijuana production systems.
– Mostly interested in female flower buds, no males or pollinated flowers.
• BPs for cannabinoid production are unknown.– Planting/culture methods?– Effects of fertilization?– Harvest methods?– “Curing” and/or storage?
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CBD Hemp• Starting Material
– Rooted cuttings
– Feminized seed
• 100% Female Plants
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Feminized Seed
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Potting• Rooted plugs to field
• Rooted plugs to 1 gal
• Moved to 7 gal to finish
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Initial maintenance• Pinch and Thin
– Pinch @ 8”
– Multiple strong branches
– Thin interior foliage
– Minimal restricted airflow
– Disease prevention
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Field Planting• KNOW YOUR SOIL
• Correct deficiencies
• Subsoil if needed
• 1 lbs Nitrogen/ft2 pre-plant incorporated
• Mulch weed control
*Heavy Metals, Drainage, Weed Potential
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K-State’s Role in Industrial Hemp
• CBD• Variety Trials
• High Tunnel production
• Greenhouse production
• CBD vs THC content
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CBD Variety Trial
• 7 Varieties
• Organic v. Conven. Fert.
• Container v. Fabric Bag
• High Tunnel v. Outdoors
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Comments on Varieties
• ACDC & Super CBD – Tall fast growing large leaves
• Cherry – more compact, beautiful colas, PM
• The Wife – compact, self-branching, good disease resistance, good cannabinoid content
• Otto II Stout – fair disease resistance, good branching, easy to manage
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CBD Variety Trial• Organic v. Conven. Fert.
• Conventional fertilizer
– Greener
– Larger
– More Buds
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Chlorophyll reading (SPAD values) of Cannabis sativa varieties fertilized with conventional (Osmocote 15-9-12) or organic (Turf-Mate 4-2-3) fertilizer and grown in a high tunnel (HT) or outdoors (Out).
Out HT
Variety Org Conv Org Conv
ACDC 37.0 57.9 44.1 56.9 Cherry 45.6 62.4 56.0 62.1 Otto II Stout 33.5 49.8 39.5 55.1 Super CBD 39.4 55.6 45.0 57.6 The Wife 41.0 54.9 47.6 55.8
Values are a mean of 8 plants.
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CBD Variety Trial• High Tunnel vs Outdoor
• High Tunnel
– Larger
– More Buds
– Higher CBD
– Less Pollination**
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CBD High Tunnel v. Outdoors
Table 3. Number of primary colas on Cannabis plants
fertilized with Osmocote (15-9-12) or Turf-Mate (4-2-3)
Out HT
Org Con Org Con
AC/DC 6.4 12.3 35.4 44.4
Cherry 0.0 0.0 19.4 23.1
OttoIIStout 8.9 16.0 30.0 51.1
Super CBD 3.9 17.5 47.9 52.9
The Wife 8.5 11.3 32.6 68.6
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CBD High Tunnel v. Outdoors
Concentration (% dry weight) cannabidiol (CBD) and tetrahydrocannabinol (THC) of Cannabis sativa varieties fertilized with conventional (Osmocote 15-9-12) fertilizer and grown in a high tunnel (HT) or outdoors (Out).
Out HT
Variety
CBD (%)
THC (%)
CBD (%)
THC (%)
ACDC 2.2 0.1 6.1 0.4
Cherry 3.5 0.0 14.0 0.2
Otto II Stout 1.9 0.0 11.5 0.3
Super CBD 2.5 0.0 5.5 0.0
The Wife 4.6 0.0 15.0 0.3
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• Conventional fertilizer
• No Difference in bag v. container
• High Tunnel is superior– Bud #, plant size, potency ?
– Insect & disease
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Industrial Hemp
• Future Work
– Plan to continue this line of work
• Water utilization
• Production practices
• Variety evaluations
• Human Health
• Animal Nutrition
• Helping KS farmers be more successful
– Partnerships
• Industry
• K-State Vet School
• KU Dept. Geology
• KU Med School
• USDA Multi-State working group
CRAIGER Enterprises
Multistate project 1019339: Industrial Hemp Production, Processing and Marketing in the U.S.
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