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Propagation Box - The Environment - Paul Fowler
SECTION 4 - THE ENVIRONMENT
PROPAGATION BOX
If you oniy have one grow-room, you will need to separate any mother plants, seedlings or cuttings from the main crop when the lighting is changed to 12 hours on/12 hours off for fruit/flowering.

To get around this problem some gardeners use a small propagation box/cupboard (sometimes within the grow-room) for the following purposes:

  • To keep mother plants.
  • Root cuttings.
  • Germinate seeds.
  • Harden-off cuttings/seeds prior to planting.
propagation box

You can either construct your own box or convert something like an old box or cupboard. The size will obviously depend on the size and number of new plants you wish to generate, but for the small scale production of just a few plants only a very small area is required (maybe 1/2 square meter).

ITEMS TO CONSIDER FOR A PROPAGATION BOX


1) White paint, reflective sheeting etc (for the walls) to reflect the light.
2) Lighting for cuttings/seedlings (fluorescent tubes).
3) Lighting for mother plants (fluorescent tubes or propagation bulb).
4) Pulleys or chains (to raise/lower lighting).
5) Timer (for lighting).
6) Power point (for lighting).
7) Thermometer (for measuring temperature).
8) Hygrometer (for measuring humidity).
9) Propagator.
10) Trays, growing tools etc.

If heat becomes a major problem then you may have to install a small extractor fan and/or a small air- circulating fan. Air circulating fans can also help grow sturdier plants, as the continual movement in the breeze will aid the development of thicker, stronger stems.

Once you have germinated some seeds or taken some cuttings it will be several weeks before they are hardened-off and ready to go into the hydroponic system. With a propagation box you can do this whilst the main grow-room is in fruit/flowering, so that after harvesting there are plants ready to go into the now empty system.

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