pigments

  1. J

    Weird pigmentation on the leaves

    Hi I'm a first time grower. Today I noticed some weird pigmentation colors on one plants that started on one leaf and now have spread to several others. Is this something to worry about? here is a picture: http://farm6.staticflickr.com/5442/9115216839_b5655295fc_b.jpg Omer:thanks:
  2. Water Bear

    Forcing plants to produce accessory pigments?

    I've been doing a little bit of research on pigments, photosynthesis and adaptation. Since plants do have the ability to produce other pigments, is it possible to force the plants to produce primarily a different pigment that would make the plant look blue, orange or red by supplying only...