WEWilliams at osprey.smcm.edu
Fri Mar 24 16:59:53 EST 2000
At 18:06 +0000 3/24/00, David Haas wrote:
>Question: Do insectivorous plants get anything other than nitrogen from
>the animal material they capture? In other words could one of these
>plants live exclusively on what it catches and not need chloroplasts.
>Anybody have any info or thoughts about this? I assume that plants
>would not have the enzymes necessary for converting the animal proteins
>and carbohydrates into useable carbohydrates for plants - that the
>nitrates and other minerals (are there other minerals?) that are used
>result from bacterial decomposition. Just wondering.
Ummm... I know there's been some work done on this, and I think they
do just get nitrogen. The work is old and fairly primitive -- I
believe they demonstrated that sundews wouldn't grow in the dark no
matter how many fruit flies you fed them. Here's the only reference I
have right at hand:
Chandler B, Anderson J. 1976. Studies on the nutrition and growth of
Drosera species with reference to the carnivorous habit. New
William E. Williams
Saint Mary's College of Maryland
18952 E. Fisher Rd.
Saint Mary's City, MD 20686-3001
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