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Breeding terms

Selection pressure: how breeders steer a line

Why your favorite cut exists — and why the version your friend has is different.

1 min read2026-05-269 views

Every breeding decision is selection. When you flower 50 seeds, smoke 10 finalists, and pick the one to clone, you're applying selection pressure. Multiply that across generations and you've steered the line.

What breeders typically select for

  • Yield — measured in grams per plant or per square foot
  • Potency — total cannabinoid content
  • Terpene profile — gas, fruit, floral, fuel, etc.
  • Disease and mold resistance
  • Finish time and stretch
  • Bag appeal — color, density, frost coverage
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