Post by Rainforest Carnivores on Jun 29, 2005 22:56:47 GMT 7
Its been known that N. ampullaria is straying away from carnivory and becoming vegetarian. So has anyone fed their plants fruit, berries , etc with any success/failures and please tell us what kind of things you used.
I just recently used this method and have tried blueberries, chopped up apples and even peas. I assume legumes would be higher in protein. So far, none of my traps seem to be affected by rapid decomposition or souring on contents, so this theory must hold water.
Interesting idea. Actually my amp is catching lots of ants like all the other Neps. I'd just put it under a tree and let nature decide what falls in and what not. If you feel like feeding it you could also try diluted milk - although this is more direction carnivorous again.
Amps going vegan? Wow! How do they catch enough vegetable matter to survive? Just digest anything that falls into the pitchers from above? Which would lead to the assumption that are probably they only veggie neps because they have no lids to speak of?
Well, that's what the bromeliads are doing. Even any other plant is able to make use of falling debris if it get's stuck somewhere. It's the same principle like foliar feeding. Surely there are no enzymes involved, but bacteria and fungus help in mineralizing the debris.
Post by Rainforest Carnivores on Jul 2, 2005 11:52:07 GMT 7
All of the current discussion regarding N. ampullaria's vegetarianism seems to hold true. Some interesting points to consider is that the pitchers remain usable for six months or more, carpet pitchers cover a large area and are usually touching each other. Pitchers on leaf ends are usually exposed openly at the ends of their concave slide leaf blade that things falling onto their leaves will end up at the end of their openly wide unprotected lidded pitchers. Nectaries are not present under the peristome, special guard stomate plants not present on the inside of pitcher walls (these make foothold of insects impossible for them to climb out-but are available so perhaps insects help break down food particles caught inside the pitchers and pitcher allows insects to escape to another pitcher to aid in decomposition and breaking down of debris). N. ampullaria are usually found under trees and rarely out in the open or even on the edge of tree covered swamps and bogs.
There are several more interesting explanations, but perhaps will save them for some photographic proof later.
Post by emiliasgarden on Jul 3, 2005 3:31:18 GMT 7
Well i decided to start my experiement with the only ampullaria that i have.
I went to see the pritchers of my plants and when i looked ampullaria's, strangely, there was only clear water, no insect, nor anything. Very strange comparing with my other Nepenthes that are filled with insects and broken snail shells.
So, i came to the forum and re-read again all the info in this topic and i decided to give my plant vegetals. I gave it a Pegean Pea -Gandul- (Cajanus cajan).
Well, I can only say that my amp catches about 15 ants a day immediately after opening and there is not much ant traffic before opening. So don't make this thing a pure vegetarian. We all like balanced meals - don't we? I could imagine that amps don't need that much nectar glands, because walking insects will anyway pass the pitchers on their daily commute - somewhat similar to Sarracenia purpurea or even some Heliamphoras. For catching leafs only it wouldn't need such a spectacular coloration IMO - assuming that the speckled form is one of the more common forms in nature. I also saw organic debris blown into pitchers of other Nepenthes, even with proper lid. But come on - that's not really exciting? ;D Volker
PS: taken in a 3 day old pitcher - there is even some other fellow in there:
Jorge, I don't think that rain will remove those insects from the pitchers. We had a whole day of heavy rain yesterday and nothing changed. Not even the water level. This plant seems to regulate the level quite fast. Jaques, ampullaria can indeed take a lot of sun without loosing old pitchers. For me it is sturdier than many easy hybrids. Volker
Post by emiliasgarden on Jul 7, 2005 8:32:44 GMT 7
Since Tropical Storm Dennis is almost drowning us here in the Caribbean, I kept my eyes over my ampullaria yesterday and this morning, to see if the rain would flood the pitchers (at that time I had not read your post, Volker). And as you said there was no difference, there was not even more liquid inside the pitchers, even with the heavy rains that are falling.
But i did found a dead bee in one of the pritchers. So officially, now my ampullaria is catching insects. ;D
Post by Rainforest Carnivores on Jul 9, 2005 13:01:23 GMT 7
Kinabalu, its very strange how the lids of your N. ampullaria in full sun (although stems and branches with shadows falling on some pitchers suggest that they are still near upper story plant growth) stand straight up. I have never seen that phenomenon before. Perhaps this would help particles blown around from the side to hit the lids and fall into the pitchers, in a way that golf balls hit the stick before falling into the hole.
All of my N. amps have lids recurved away from the mouth opening, as if to give a falling object extra bounce back up to perhaps fall into another hole.
Although vegetarianism may be a trend, I am sure an insect meal will not be passed up for a veggie burger!
Tofu tends to have too much fat, I think beans would work better. Besides someone posted that it turned into puree un a short time.
samu0945: I'm looking for N. Aristolochioides
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