Rattler has a good point, indoor marijuana growing is definitely an area of botany that has been quite thoroughly studied and that information could transfer over to the growing of other plants.
However, it is sort of digressing, because Nepenthes and Cannabis are so totally different plants, that until extensive testing and trial and error has been done with Nepenthes we can't really know much.
But someone's gotta start trying somewhere!
If I had a large plant that had flowered and I knew the sex of, (and it was a common species of course) I would probably try emulating some variations of the techniques that have been successful in inducing sexual dimorphism in other plants.
FWIW I obtained some GA3 a few years ago and tried it out on some Sarr seeds. GA3 is known to break seed dormancies. IME it is VERY POTENT. It did the job in regards that the seeds germinated without a hitch but it also did it's job too well. GA3 also boosts mitotic division and the resulting seedlings were far from common little guys. Growth was quite abnormal and rather than getting the usual tiny Sarr seedling, I was getting long, skinny, malformed pitchers and sometimes an occasional loop from the rhizome. I would suspect similar results with Neps. I can't recall exactly the number but I do recall that the concentration I used was down in the 100 ppm level. That being said I would NOT turn away from GA3 but I would definitely try concentrations in the 10ppm.
Originally Posted by swords
There's clearly lots of work to be with Neps in terms of flowering, but my guess would that they can be flowered just like any other plant. Finding the trigger may be more of a challenge though.
Anyone have 5-10 years to work on a dissertation?
Just to add my $.2...I think one piece of evidence against the hypothesis that Nepenthes can change sex under certain conditions is that (if I remember correctly) there are a few nepenthes hybrids in cultivation that are all clones of one another and all have the same sex. The fact that many are grown in different environments with no reports of sex change says something. Although, there is the possibility that some extreme conditions just haven't been met yet or that a specific species of Nep isn't capable of this.
Also, the lack of a known ability for Neps to detect whether there are any plants of the opposite sex around, much like certain amphibians do, possibly rules out that as the driving mechanism for sex change.
Enjoying this discussion,
what i would like to see is if like marijuana certain environmental conditions during initial growth influence sex...with marijuana a near perfect growing environment after planting leads to the vast majority of plants being female....in a stressed initial growth from seed all the sudden a bunch of male plants will show up along with the females.....perhaps stresses during the multiplication stage of TC could lead to a greater chance of male plants versus seed grown......
Not Growing Up!
I think it would be a great service to the growers (professional and hobby) if the folks doing TC would take the time to clone and offer both male AND female plants for sale. With plants becoming rare and losing their environments (not to mention the dwindling genetic pool when a native population diminishes), it would be a service to the plants also, preserving a better future for them.
Oh yea, MJ plants can change sex even when mature. The potential for a female to produce male flowers is often as easy as giving the plants less light. Possibly a trait whereby the female plants that don't get pollinated, can produce male flowers when the seasons change and the hours of daylight shorten, thus giving the plant a last opportunity to produce seed. A nice trait, but not one seen at all in Nepenthes.
keepi in mind the reason for marijuana readiness to produce the fake male flowers(i say fake as its incapable of making a true male pollen) is the fact that marijuana is a annual and nepenthes are long lived perennials......given i think marijuana is the only dioecious plant thats been well studied, its quite possible that the mechanisms at work are similar as to what determines sex of a plant, the fact that marijuana does the false male flowers is likely an extension of it being an annnual and only gets one flowering season.....other dioecious plants like strawberries, nepenthes, ginkos, buffalo and sea berries get more than one season so that ability to shift into a stop gap to produce some sort of offspring isnt needed....