Native Plant Seedbank for 

Central Queensland


Senna barclayana (Pepper leaf senna)

Seeds

Effect of Treatments on Seed Germination

Treatment

Germination  (%)

Days to First Germination

1. Control 

10

10
2. Nicking - -
3. Scarification (boiling water) - -
4. Scarification (sulphuric acid) - -
5. Smoke water 50 12
6. Leaching - -

Effect of Storage on Seed Germination

  Germination (%)
Storage condition At collection After 1 year After 2 years After 3 years
Garden shed - 37  -  - 
Air-conditioning - 50  - -
Cold room - 40  -
Freezer - 17  -

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