A Dutch cactus nursery specialized in raising cacti from seed and cuttings
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 Trichocereus Grow Log

Growth log for indoor germination of Trichocereus peruvianus seedlings 2002

  • Medium (1:2:2): peat, grit (1-3 mm), regular potting soil
  • Light : 3x 36W Coolwhite TL light bulbs
  • Temperature : 23°C (day); 18°C (night)

Date :

Information:

21/09/2002

Two sowing trays where densely sown with seed. Trays were covered with transparent lids.

24/09/2002

Seed trays were placed warmer: 25°C (day); 20°C (night).

26/09/2002

First seeds germinate!

27/09/2002

One TL bulb was switched off to prevent light stress (see red T. terscheckii 2002 seedlings).

29/09/2002

Another TL bulb was switched off; One ventilation slide was opened (50%) per tray.

30/09/2002

Some seedlings etiolate; The two TL bulbs that were switched off were now switched on again.

02/10/2002

Per seed tray one ventilation slide completely opened

06/10/2002

Ventilation slides were opened

09/10/2002

No new red seedlings appear; seedlings grow

11/10/2002

First seeds germinate!

13/10/2002

Seedlings start to turn red. Trays were now placed under two TL bulbs instead of three.

15/10/2002

Ventilation slides were opened

20/10/2002

No new red seedlings appear; seedlings grow

28/10/2002

No new red seedlings appear; seedlings grow

Growth log for indoor germination of Trichocereus terscheckii seedlings 2002

  • Medium (1:2:2): peat, grit (1-3 mm), regular potting soil
  • Light : 3x 36W Coolwhite TL light bulbs
  • Temperature : 28 °C (day); 22 °C (night)

Date:

Information:

07/10/2002

Two sowing trays where densely sown with seed. Trays were covered with transparent lids

12/10/2002

First seeds germinate!

15/10/2002

Seedlings start to turn red. Trays were now placed under two TL bulbs instead of three.

21/10/2002

Ventilation slides were opened

27/10/2002

No new red seedlings appear; seedlings grow

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Business registration number: The Netherlands (KvK number): 02088869 0000
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