01-03-2012, 12:25 AM
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Originally Posted by Byron
I have seen some very heated discussions elsewhere about trimming the roots of plants
. Provided it is not severe, it should not be detrimental. And it may invigorate the plant. As a terrestrial gardener, I have frequently been told to trim the roots of potted garden plants when planting them, simply to invigorate the plant to start growing. Several planted tank authors recommend trimming roots when first planting, or moving, aquarium plants. I have rarely done this, except with some very large Echinodorus when I move them to remove some of the very extensive roots. I would suggest that either method seems to have no problems.
Healthy plant roots of substrate-rooted plants, stem plants and most floating plants will be white. Brown and soft roots are dead or dying and when noticed (as when moving or first planting the plant) can/should be removed. Roots on plants like Anubias and Java Fern are dark, black basically. These will grow down into the substrate given opportunity.
Byron,, and with apologies to original poster . As stated, the roots on the Anubias I have are as mentioned white to greenish white as opposed to black as you indicate but I also add a bit of dry fertilizer each week (KNO3,KH2PO4) Perhaps this is reason for what I believe to be healthier color of roots?