2019 Medicinal Cannabis Conference · 2019-04-02 · variety of cannabis “strains”. Strain...
Transcript of 2019 Medicinal Cannabis Conference · 2019-04-02 · variety of cannabis “strains”. Strain...
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Slide 1 © PharmOut 2019
2019 Medicinal Cannabis Conference
Choosing Genetics
Andrew Exner – Master Grower Executive ConsultantMarch 2019
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Slide 2 © PharmOut 2019
Summary
Searching for the perfect variety
Sativa vs Indica vs Hybrid and the great debate
Grow method and end-use
Cannabinoid and terpene characteristics
Phenotype and Genotype
Environmental considerations
Desired outcome
Industry perspective - Market trends
Genome sequencing
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Slide 3 © PharmOut 2019
Searching for the perfect variety
Thanks to the unsung heroes in the cannabis world — breeders — we have the opportunity to pick and choose a wide variety of cannabis “strains”.
Strain selection involves careful consideration of not just the smell, taste, yield and high of a particular variety, but also how fast it grows, yields, and what kind of climate best suits its particular genetic makeup.
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Slide 4 © PharmOut 2019
Considerations
Cannabinoid Profile
Phenotype
Environment
End-Use
Facilities Layout
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Slide 5 © PharmOut 2019
Grow Method and End-use
Do you want more a mental or physical effect?
Will the product sell as flower or extraction?
Are you looking for medical or recreational (non-medical) use?
What timeline and harvest cycles are you looking for?
What type of environmental conditions will the plant be exposed too?
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Slide 6 © PharmOut 2019
The Indica/Sativa debate
• Among these top experts the debate rages, are Indica and Sativa really all that different?
• Indica and Sativa are subspecies of marijuana that have long been presented as polar opposites. Indica is supposed to affect the body with sedative effects. Sativa, on the other hand, affects the mind, acting more as a stimulant.
• Many people will use one subspecies or the other for specific purposes. For example, Indica strains like Northern Lights for sleep and Sativa strains like Island Sweet Skunk for creativity.
• The different names, like Pineapple Express, are really just a form of marketing different strains. The only difference experts agree on is that breeding can determine the potency of the plant, not necessary sleep/energetic effects.
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Slide 7 © PharmOut 2019
Cannabis is generally defined as...
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Slide 8 © PharmOut 2019
Primary Cannabinoids
Cannabidiol (CBD) Tetrahydrocannabinol (THC)
Antibacterial
Relieves Pain
Relieves Anxiety
Reduces Inflammation
Promotes Bone Growth
Neuro-protective
Reduced vomiting and nausea
Stimulates Appetite
Relieves Pain
Reduced Seizures
Aids Sleep
Inhibits cancer cell growth
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Slide 9 © PharmOut 2019
Terpenes
Terpenes are the aromatic compounds (100+) found in cannabis, and other plants and fruits. They provide a defense against threats while enhancing the cannabinoid
profile.
Leading Terpenes:• Limonene - Citrusy, euphoric, stress-relieving.• Pinene - Piney, raises alertness, improves memory retention.• Myrcene - Earthy, sedative, numbing.• Linalool - Floral, reduces anxiety, anesthetic.• Caryophyllene - Spicy, or woody, anti-inflammatory, eases depression and
anxiety.
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Slide 10 © PharmOut 2019
Genotype vs Phenotype
Genotype is based on the DNA of an organism. Cannabis is diploid, meaning that it inherits two copies of each gene —one copy from each parent.
Phenotypes are the observable characteristics or traits of a plant that are determined by genotype and physical environment
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Slide 11 © PharmOut 2019
Auto-Flower Variety
Plant seeds directly into the ground
Automatically begin flowering cycle 2-3 weeks into vegetative stage
90 Day schedule - Seed to harvest
Achieve 3 harvests per year
Generally lower yielding and unstable genetics
Cannabis
Hybrid
Indica
Auto-Flower
Sativa
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Slide 12 © PharmOut 2019
Develop your Seed & Genetic Bank
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Slide 13 © PharmOut 2019
Snapshot of a few strains
• Light of Jaw – Prone to Bud Rot
• Any Lemon variant - Notorious for pm and difficult to clone
• Strawberry Lemonade – Susceptible to seeding and various stress
• Golden Goat - Unbeatable tropical flavor although PM susceptible
• Durban Poison - “expresso of cannabis” and relatively easy to grow
• Maui Wowie (Classic sativa) - This tall, lanky strain is best suited for cultivation in warm, tropical climates.
• Charlotte’s Web - Less than 0.3% THC, an option for treating seizures as well as a range of other medical conditions.
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Slide 14 © PharmOut 2019
Various Flower Profiles
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Slide 15 © PharmOut 2019
Grow/Clone Method
Grow method can have an effect on strain selection and success rates. • EX: Soil/Soilless/Hydro/Aeroponics/etc.
Developing your stock from seed can have varying results – as seeds will not carry specific Phenotype requirements based on location. TC will provide consistency.
In a large operation, it is important to take clones from a mother or via Tissue Culture. Overtime, clones of clones of clones will create something called “genetic drift”.
• Additionally, Mothers are a bit of a misconception - There is no true mother, rather just an exact copy of another plant.
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Slide 16 © PharmOut 2019
Transportation Method
Clone – Root cube and humidity dome
Tissue Culture – Advanced propagation
Seed – Easy to manage under proper conditions
Bath Solution - Freshly cut clones placed in a bath solution although must place in a root cube or aero cloner within 24 hours
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Slide 17 © PharmOut 2019
Climate Zone
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Slide 18 © PharmOut 2019
Climate continued...
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Slide 19 © PharmOut 2019
Indoor and Sea of Green
• When high plant count is available
• Choose Indica dominant genetics
• Consider Tier-Rack systems
• Space-out plant canopy for adequate airflow
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Slide 20 © PharmOut 2019
Industry Perspective - Market trends
Choose a strain with low difficultly in the beginning and ramp-up to the more desired (possibly finicky) strains as you develop facility workflow.
“Pheno-hunt” for the ideal strains best suited for you specific set of needs.
Don’t focus on the strain names – these can be quiet generic. Many things alter the chemical composition or the phenotype of plants. Currently there are no controls on name selection and over 30% of strains do not follow proper ancestry.
Keep your sales channels open from store-front and stay ahead of market curves – invest in a large plant stock and phase strains in/out depending on market trends.
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Slide 21 © PharmOut 2019
Genome Sequencing
Here’s the pickle: if the cannabis plant changes greatly due to the way humans grow, manipulate, and use the plant, how do you determine what distinct varieties actually exist? Genotype sequencing can provide some insight
• When two completely different parents create offspring, those offspring will have a high level of genetic variation since they get one copy of their genes from each parent.
A low level of genetic variation indicates a stabilized or true breeding line that will produce seeds (offspring) with more consistent physical characteristics (phenotypes)
• Within the last 100 years, agriculture has been catapulted into the modern age with the application of genomic tools, but cannabis, as a result of years of prohibition, remains nearly 80 years behind other crops.
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Slide 22 © PharmOut 2019
Leafly.com
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Slide 23 © PharmOut 2019
Summary
Growing Cannabis, regardless of environment, can be a tricky endeavor -
• Certain strains will need specific soil types, environments - some will need more water/nutrients, some less.
• Misguided selection can prove costly and may take a year or two to revamp, recoup cost.
• If you are unsure, it is best to consult an expert who can sit down with you and develop an integrated game plan.