Factors that influence Quality

[Dewb]

a quick outline of factors that can influence the quality of your cannabis
again feel free to add any info you have.

Factors that influence quality

1. Genetics

• a. Seeds vs. Clones
  • i. Seeds
    1. Clean, disease free
    2. Known lineage
    3. Stronger
    4. Great possibility to find new, unique and exotic expressions
  • ii. Clones
    1. Possible to bring in disease or pest
    2. Names constantly changing, unknown lineage
    3. Weaker
    4. Tried and True or same old stuff. What’s popular one place may not be elsewhere.
• b. Proper genetic selection

  • i.	Reliable clones from a known source
    

  • ii. Selection from many seeds (100-1000)
• c. Obtaining seeds from good breeders
  • i. Not necessarily the big name companies

2. Environment
   Without a proper environment the best genetics will suffer

• a. Carbon dioxide

  • i.	Needed for accelerated growth and fruiting
    

  • ii. Low levels stunt growth
• b. Humidity

  • i.	Needs to be at proper level in relationship to the temperature to allow proper transpiration   * (vapor pressure deficit or vpd)
    

  • ii. High humidity can cause Ca deficiency
  • iii. Low humidity causes high water demand/stresses plant
• c. Temperature

  • i.	70-75 degrees  daytime
    

  • ii. No more than 10 degree difference in night temperature
• d. Air flow

  • i.	Proper air flow and circulation move the co2 around the room
    

  • ii. Air flow helps strengthen stems
  • iii. Helps prevent botrytis cinerea (bud rot) and other fungi and pest

3. Nutrition

• a. Can influence genetic expression

  • i.	Terpene expression
    

  • ii. Physical expression
• b. Can influence pest and disease resistance

  • i.	Source of N can influence cell size and cell wall thickness
    

  • ii. P influences roots and fruits/flowers, number of flowering sites
  • iii. K influence health quality of flowers
  • iv. Ca strengthens cell walls, and vascular system
  • v. Ca transported in transpirations stream (vpd must be correct)
  • vi. Amino acids increase Ca uptake
  • vii. Silica strengthens stems and leaves
• 4. Trimming and Curing
• a. When the plant is trimmed matters wet vs. dry

  • i.	Trimmed wet 
        1.	Trimmed wet loses moisture faster
        2.	Requires strict attention to not over dry or dry too fast
        3.	Fresh frozen trim is good for ice water extraction
        4.	Possibly less damage to trichomes
    

  • ii. Trimmed dry
    1. Dries slower, more evenly
    2. Less strict attention to not over dry
    3. Good for chemical or mechanical extraction
    4. Possible damage to trichomes
• b. Curing

  • i.	Improper cure can ruin a great crop
        1.	Lose most or all terpenes
        2.	Degrade thc or cbd
    

  • ii. Proper cure can improve a great crop
    1. Bring out subtle terpene profiles and improve potency
  • iii. Post-harvest handling is just as important as the growing for top quality end product.

[Swampthing]

Great thread! Love all the info you’ve compiled.

Thanks for sharing

Swampy

[Lancien]

Hi Dewb

I think you confuse the quality of your genetics and the different parameters of your culture. Because when you say 1. Genetics 2. Know lineage and etc …
How do you want the genetics to influence the quality of your finished product ?
Heat, humidity, plant competition, nutrition, intra air quality and so on … yes its affects the quality of your weed.

I mean you can take a genetic quality “average” and I a super extra champion. If I do not manage the culture settings correctly, you will make a better product than me ! Only gen don’t make the deal !

So for me not those, because these parameters are “fixed” factors it is up to you to get the best.
Knowing the genetic lineage of a plant can not in any way increase or reduce the quality of it

1. Genetics
   a. Seeds vs. Clones
   i. Seeds
2. Known lineage
3. Stronger
4. Great possibility to find new, unique and exotic expressions
   ii. Clones
5. Possible to bring in disease or pest
6. Names constantly changing, unknown lineage
7. Weaker
8. Tried and True or same old stuff. What’s popular one place may not be elsewhere.
   b. Proper genetic selection
   i. Reliable clones from a known source
   ii. Selection from many seeds (100-1000)
   c. Obtaining seeds from good breeders
   i. Not necessarily the big name companies
9. Fresh frozen trim is good for ice water extraction
10. Possibly less damage to trichomes
    b. Curing
    i. Improper cure can ruin a great crop
11. Lose most or all terpenes
12. Degrade thc or cbd
    ii. Proper cure can improve a great crop
13. Bring out subtle terpene profiles and improve potency
    iii. Post-harvest handling is just as important as the growing for top quality end product.

So left this:
2. Environment

1. Clean, disease free
   a. Carbon dioxide
   i. Needed for accelerated growth and fruiting
   ii. Low levels stunt growth
   b. Humidity
   i. Needs to be at proper level in relationship to the temperature to allow proper transpiration (vapor pressure deficit or vpd
   ii. High humidity can cause Ca deficiency
   iii. Low humidity causes high water demand/stresses plant
   c. Temperature
   i. 70-75 degrees daytime
   ii. No more than 10 degree difference in night temperature
   d. Air flow
   i. Proper air flow and circulation move the co2 around the room
   ii. Air flow helps strengthen stems
   iii. Helps prevent botrytis cinerea (bud rot) and other fungi and pest
2. Nutrition
   a. Can influence genetic expression
   i. Terpene expression
   ii. Physical expression
   b. Can influence pest and disease resistance
   i. Source of N can influence cell size and cell wall thickness
   ii. P influences roots and fruits/flowers, number of flowering sites
   iii. K influence health quality of flowers
   iv. Ca strengthens cell walls, and vascular system
   v. Ca transported in transpirations stream (vpd must be correct)
   vi. Amino acids increase Ca uptake
   vii. Silica strengthens stems and leaves
3. Trimming and Curing
   a. When the plant is trimmed matters wet vs. dry
   i. Trimmed wet
4. Trimmed wet loses moisture faster
5. Requires strict attention to not over dry or dry too fast
   ii. Trimmed dry
6. Dries slower, more evenly
7. Less strict attention to not over dry
8. Good for chemical or mechanical extraction
9. Possible damage to trichomes

++

L’ancien

Ps tu peux recommencer:joy:

[LemonadeJoe]

@Lancien

Only gen don’t make the deal !

So for me not those, because these parameters are “fixed” factors it is up to you to get the best.
Knowing the genetic lineage of a plant can not in any way increase or reduce the quality of it

But on the otherside, Dewb is probably right that even if you create ideal environment you can get shitty quality - and that is because your genetics selection was poor in the beginning…
I see strain selection and genetics pool something very important that one doesn’t want to save on.

[Lancien]

Hi LemonadeJoe

@Dewb

influence the quality of your cannabis

If we speak about gen selection, he would whrite
influence the genetics of your cannabis … yes /no ?

++

L’ancien

[Dewb]

the point i’m (maybe not so eloquently) trying to make about seeds/clones is basically a good/great genetics can preform well in a mediocre environment, but poor genetics will never turn out quality regardless of environment. a hemp seed will never turn out to be a kush plant.
so yes i’m saying your genetic selection is the 1st factor that influences quality. With out good genetics you’ve basically shot yourself in the foot before the race.

[Dewb]

Knowing the genetic lineage of a cultivar can help you to estimate that plants requirements, which in turn influence the quality of the finished product. It can save you a lot of trial and error.
The section that is causing your confusion is actually titled seed vs clones. It is more of a pros/cons of both. But genetics influence quality none the less.

[Lancien]

Re Dewb

I don’t want a fight, i give opinion. May be like you. Just a lack of eloquence !

So i try again
Then you talk to those who make their own crosses. Who can refine their genetics !
For those who do not make their own seeds, or who buy a feminized, they choose on catalogs. Does it improve what to quality? That’s what I want to put forward!
You choose a genetic and, you definitely have it, it will not vary (we do not talk about the time, the gardener’s mistake, etc.). On the other hand, your nutrition program, your type of light source, etc. Its must test to know which is the best adapted.

I hope that I made better understand

++

L’ancien

[Dewb]

@Lancien
I apologize if it appears I was starting a fight. That is not my intention at all.

Think we’re just not communicating efficiently… happens sometimes. I think i understand what you’re saying,
I’m probably not explaining myself very well.
But thank you for adding your point of view, sometimes debates are how we learn.

the point i’m trying to make is genetics are the foundation of a quality grow. think like building a house. if your foundation is made of sand, no matter what you use to build your house the sand will shift and house will crumble. if you build on a solid foundation, stone or concrete, then your house is stable…

[Lancien]

Re Dewb

I agree. I understand what you mean !

Nice explanation this time

++

L’ancien

[Dewb]

and thank you @LemonadeJoe for correcting the format…

[joseywhales]

the temperature and humidity % fresh air venting hot air is a good start for right grow room enviorment.

[Mr.Sparkle]

Bud grown by oneself is always best in my mind, one you get to find the genetics that work for you, and two you grew it.

[GrapeApe]

I deleted around 60 post. Please continue the discussion…

[argo945]

all of em collectively including the vibe you give your plants.