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Thank you ever so much, yes, I never plant anything without thorough research on the ecological impact, it is not only through germination that dragon fruit spread, but more so through leave breakage - much like turksfy. We do have the extremely invasive wild dragonfruit which is not what I am propagating, these were specifically bread for agricultural purposes, and unlike other dragonfruit - they do not thrive upon neglect. Also the are very well maintained only on the edge of one camp with a barren road (in our property) on the one side, also, any and all breakages, gets collected and composted in a isolated worm farm where the can not extend their growth span. All excess fruits that are intended for animal feeds gets boiled first to stop any germination in feces (ie the pigs) but these are just precautions, as our land itself is quite arid, with yearly rainfall - not the ideal conditions for them to spread.
Many farmers in this area has started farming these dragonfruit commercially.
I really do appreciate that there are people out there willing to focus on the natural impact of plants, thank you ever so much for your comment I really do appreciate it.

I hope that you have an absolutely amazing day