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How do seeds know which way to grow?

Discussion in 'Apprentice Marijuana Consumption' started by Smokey Js, Jun 21, 2012.

  1. #1 Smokey Js, Jun 21, 2012
    How do seeds know which way to grow?
     
  2. #2 Luuke, Jun 21, 2012
    The term is geotropism. Plants have growth hormones that respond to the Earth's gravitational pull. This causes roots to grow down (negatively geotropic) and stems to grow up (positively geotropic).
     
  3. #3 Kush93, Jun 21, 2012
    I shove my 12-gauge shotgun in their face and tell them which fuckin way to grow
     
  4. #4 Justonemorecone, Jun 21, 2012
    It's called "gravity". Or geotropism as Luuke more correctly put it.
     
  5. #5 KeepTheCycle, Jun 21, 2012
    not to mention they follow light once sprouted.
     
  6. #6 Suntrust7, Jun 21, 2012

    yeah, I thought all plants grow towards were they get the most sun
     
  7. #7 LaCurandera, Jun 21, 2012
    This is the case indeed.

    But someone could enlighten me on how a plant reacts to multiple light sources. Let's take a hypothetical grow, where one has a suspended HID light above the grow and another one on the vertical side of the growing space. With the plant(s) naturally reaching for the light above, would the lower growth, being affected more by the vertical light, stretch out to the side towards it?
     
  8. #8 fraggleYOURrock, Jun 21, 2012
    Imagination
     
  9. #9 Luuke, Jun 21, 2012
    Even in a black box the seed will grow up and the roots will grow down because of the the hormones it produces and gravity.
     

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