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  • #1

    Whether or not to put the lid on your propagator

    Whether or not to put the lid on your propagator.

    Both pictures are of aubergine plants both started in the same heated propagator and then once germination had taken place the bottom one was removed from the covered propagator and put into and identical propagator but with the lid permanantly removed as you can see from the pictures the one that had the cover kept over it is a much larger plant than the other.

    To make sure this wasnt just down to a one off, I did this with 6 plants and the result was the same for all of them.

    They were all under a 600w metal halide grow lamp.

    With lid


    Without lid


    Cheers Chris
    Last edited by crichmond; 01-03-2008, 02:25 PM.
    _____________
    Cheers Chris

    Beware Greeks bearing gifts, or have you already got a wooden horse?... hehe.
    Tags: None
  • #2
    Interesting, were they both in heated props, both on?

    I've taken the lid off our heated prop during the day to allow extra sunlight, and to stop the compost getting too damp - yours doesn't need the extra light because of the lamp.

    How much did the lamp cost, and how much to run?
    Last edited by smallblueplanet; 01-03-2008, 02:35 PM.
    To see a world in a grain of sand
    And a heaven in a wild flower

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    • #3
      Hi Manda

      Yes they were both switched on, so I can only assume that the difference is because of the extra heat in the covered one created by the lid keeping the heat in.

      There isnt any heat from the lamp as I have a fan removing the heat just below the lamp but above the plants.

      Paid £70 for the lamp off ebay with ballast and reflector, I believe they cost about £5 per week to run.

      Cheers Chris
      Last edited by crichmond; 01-03-2008, 02:38 PM.
      _____________
      Cheers Chris

      Beware Greeks bearing gifts, or have you already got a wooden horse?... hehe.

      Comment

      • #4
        Have you noticed a similar difference in growth with any other seedlings? I ask cos aubs do like hot, humid conditions so might be particularly suited to your experiment?
        To see a world in a grain of sand
        And a heaven in a wild flower

        Comment

        • #5
          Had the same effect with strawberry rugen improved from seed, some covered some not and again the covered ones are a lot bigger.
          _____________
          Cheers Chris

          Beware Greeks bearing gifts, or have you already got a wooden horse?... hehe.

          Comment

          • #6
            What temps are the seedlings in the covered prop and the uncovered prop at? (Perhaps I should have waited for your finished 'article'! )

            ps you've got too many 'toys' I wager!
            Last edited by smallblueplanet; 01-03-2008, 03:50 PM.
            To see a world in a grain of sand
            And a heaven in a wild flower

            Comment

            • #7
              Originally posted by smallblueplanet View Post
              ps you've got too many 'toys' I wager!

              You could be right there, just bought another one as well 16 pod yieldmaster hydroponic gardening grow system on eBay, also Hydroponics, Plants Seeds Bulbs, Garden Plants, Home Garden (end time 21-Feb-08 11:25:09 GMT)



              Dont know what temp but I will put a thermometer in to find out.
              Last edited by crichmond; 01-03-2008, 03:56 PM.
              _____________
              Cheers Chris

              Beware Greeks bearing gifts, or have you already got a wooden horse?... hehe.

              Comment

              • #8
                Originally posted by crichmond
                You could be right there, just bought another one as well 16 pod yieldmaster hydroponic gardening grow system on eBay, also Hydroponics, Plants Seeds Bulbs, Garden Plants, Home Garden (end time 21-Feb-08 11:25:09 GMT)



                Looks like something out of Dr Who!
                To see a world in a grain of sand
                And a heaven in a wild flower

                Comment

                • #9
                  Very interesting experiment, it was to be expected, the results i mean. yet what a gorgeous strong baby with the covered propagator that has no sign of suffering from the lack of light. purely from a cost points of view, i wouldn't take the artificial lighting route unless someone can come up with solar powered equivalent .

                  i'm unable to leave my seedlings in the heated propagator (always covered) long once they germinate as they get too leggy but once out, they take a glacial time to grow which was to be to expected and i still have no regrets with early sowings as the purpose for me was to reduce high level of the sowings (workload and stress) in march and april.

                  it has also been useful to get acquainted with the patterns of germinations on various seed types that i would not have had the luxury of experimenting had i sowed later. mistakes that i have made have been so far valuable that i myself sometimes feel like i'm working in science lab .
                  Last edited by veg4681; 01-03-2008, 11:40 PM.
                  Food for Free

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                  • #10
                    OK here are the temperature's

                    With cover: 33.4c (on floor of propagator)
                    With cover: 33.0c (on top of pots)

                    Without cover: 30.4c (on floor of propagator)
                    Without cover: 27.9c (on top of pots)

                    Cheers Chris
                    _____________
                    Cheers Chris

                    Beware Greeks bearing gifts, or have you already got a wooden horse?... hehe.

                    Comment

                    • #11
                      I think that's it's not a surprising result as aubergines, in my experience, like as much heat and light as you can give them.

                      I reckon you have the luckiest, most pampered aubergines I've met

                      Comment

                      • #12
                        Hi Cutecumber

                        your probably right, but thats not all im growing I also have several types of chilli plant, mammoth onions, mammoth leeks, strawbs, rosemary and tomato's

                        Cheers Chris
                        _____________
                        Cheers Chris

                        Beware Greeks bearing gifts, or have you already got a wooden horse?... hehe.

                        Comment

                        • #13
                          Ah well they are all very lucky, then

                          Comment

                          • #14
                            Originally posted by crichmond
                            Without cover: 30.4c (on floor of propagator)
                            Without cover: 27.9c (on top of pots)
                            Sub-tropical!

                            Is that in your house?
                            To see a world in a grain of sand
                            And a heaven in a wild flower

                            Comment

                            • #15
                              Originally posted by crichmond View Post
                              You could be right there, just bought another one as well 16 pod yieldmaster hydroponic gardening grow system on eBay, also Hydroponics, Plants Seeds Bulbs, Garden Plants, Home Garden (end time 21-Feb-08 11:25:09 GMT)

                              Just wondering, what nutrients are you going to use for your hydroponics? I've just fallen for the marketing around 'bat guano' and bought some Caveman 'rock bat guano'! For the chilli competion though, big jalapenos here we come!
                              To see a world in a grain of sand
                              And a heaven in a wild flower

                              Comment

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