APEX DNA
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Breeding Protocols

Three Core Methods

STS Feminisation

AgNO₃ · 0.02M + Na₂S₂O₃ · 0.08M
Ratio 1:4 · Silver Thiosulfate
Application: 3–5 days pre-flower
Purpose Reversal — induces male flowers on female plants for feminised S1 seed production
Result 100% feminised seeds. Eliminates hermaphrodite risk when applied correctly.
Current use Alpine Rocket S1 · NLX S1 · Erdbeer IBL feminisation program

IBL — Inbred Line

F1 → F2 → F3 → F4 → F5 → IBL
5–7 generations minimum
Selection pressure: phenotypic consistency
Purpose Genetic stabilisation — fixing desired traits across generations
Result Homozygous, stable, predictable offspring. Commercial standard.
Current use OG Swiss Erdbeer IBL · Amber1 stabilisation

Backcross (BX)

F1 × Mother → BX1 (75%)
BX1 × Mother → BX2 (87.5%)
BX2 × Mother → BX3 (93.75%)
Purpose Genetic recovery — restoring mother plant traits while introducing new genetics
BX3 target 93.75% mother genome recovery — near-perfect clone in seed form
Current use Erdbeer Bx2 → Bx3 program (active)
Quality Standards

No Shortcuts.

Analysis

MethodHPLC (High-Performance Liquid Chromatography) — systematic on each lot
ParametersTHC · CBD · CBG · CBN · THCV · Terpene profile
StandardResults attached to each seed lot certificate

Germination

Minimum rate≥ 90% before commercialisation
Test methodPaper towel at 21°C · 72h observation · documented photography
PolicyLots below 90% are not released. No exceptions.

Traceability

CH-[CODE]-[YEAR]-[LOT]-[GEN]

Example: CH-ERD-2025-003-BX2
StorageTriple: +4°C / −18°C / −80°C cryogenic
RecordsLot number · generation · parent ID · HPLC ref · germination date
Infrastructure

Current Setup.

GROW SPACES

Units2 × independent spaces
Dimensions150 × 160 × 200 cm each
Capacity8 × 15L containers per space
SubstrateBioBizz AllMix · organic

LIGHTING & CLIMATE

LightingMars Hydro full-spectrum LED
NutrientsMills Nutrients system
VPD target0.6–1.0 kPa · vegetative
VPD target1.0–1.6 kPa · flowering

STORAGE & PRESERVATION

Short-term+4°C refrigeration · dark · sealed
Medium-term−18°C deep freeze · vacuum-sealed
Long-term−80°C cryogenic · for master stock
HumiditySilica gel · 8% RH maintained