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Niall FM posted a topic in PropagationI have a love of science and as a result have been testing multiple methods of leaf pullings on Dionaea for some time now, this is a log of my testing method, results and conclusions. Introduction: I'm a student so cutting costs is one of my top priorities when taking cuttings, as a result all of my experiment was preformed using items that can be found in the common household(excluding a full spectrum CFL and a VFT:-P) as a result no chemical additives were used eg. Rooting hormones, anti-fungal powders .etc. All experiments were preformed over a three month period During said period progress was recorded at 1 month intervals Each factor/method was preformed with three leaves Once the traps turned fully black (in all methods) they were removed to prevent fungal growth Taking pullings: Pullings were taken early February from a plant which was bought fresh fresh out of dormancy Pullings were taken by un-potting the VFT and "pulling" downwards on the leaves so a section of the rhizome came away each time All pullings were taken from the same two plants All chosen leaves were of the same size and health Procedure: Method 1: Pullings placed on Peat Moss The leaf Pullings were placed in dents on the surface of a pot of boiled peat moss(dent used to make the most possible surface area of the underside of the leaves be in contact with the peat moss, boiled in an attempt to kill off fungus spores and bacteria) The pots were placed in a tray of Rainwater approximately 30cm away from a CFL Each pot was covered in cling film Method 2: Pullings placed in Long fibre Sphagnum (LFS) The leaf Pullings were placed in on the surface of the boiled LFS with as much of the underside of the leaves in contact with the LFS as possible The pots were placed in a tray of Rainwater approximately 30cm away from a CFL Each pot was covered in cling film Method 3: Pullings placed submerged in Rainwater The leaf pullings were placed in glasses of boiled(then cooled) rainwater (boiled in this case in an attempt to kill bacteria and algal spores) The glasses were placed approximately 30cm away from a CFL Each glass was covered with cling film Results: Method 1: Pullings placed on Peat Moss This method resulted in the shortest amount of time before fungal growth was seen(at the 1 month interval) No successful strikes were seen before all pots were consumed by fungus(possibly due to cling film causing stagnant air which sped up spore germination) Method abandoned at 2 month mark when all leaves were noted to be dead Not a method I've had "lots" of success with in the past as well Method 2: Pullings placed in Long fibre Sphagnum (LFS) Method shows promise as 2/3 had strikes Fungal growth occurred only after 2 month mark Between month 2 and 3 two leaves were killed by fungus(one with a strike and one without) By the end of month 3 the remaining leaf had formed a plantlet Method 3: Pullings placed submerged in Rainwater By far most successful No maintenance required (ie. no topping up water) apart from removing dead traps %100 strike rate No fungus seen(due to submersion) Small amount of algae seen during month 1 but it was left alone Conclusion: After preforming all three variations of leaf pulling I found the most successful to be the technique of placing pullings in rainwater. The LFS strike that did survive had grown larger then all of the plantlets from the Submerged method, but a conclusion on size of plantlet can not be drawn as this could be an isolated case. From my own opinion the submersion method is also the easiest, no potting or watering, just stick it in a glass of boiled and cooled rainwater(not to mention it's the cheapest) Method of acclimatising Submerged plants to emmersed(yes it's a real word) state After plantlet has reached approx 1cm in diameter remove it from the glass and place it on LFS or peat (very wet) in a pot with cling film over the top Over the course of a 2-3 weeks pop holes in the cling film At the end of the three weeks you have air-hardy little plantlets After Notes: Two weeks on from the end of the experiment all 4 of the successful strikes have formed plantlets with small traps, the ones from the submersion technique seemed to take a week off of growing to acclimatise. I would like to see how long one on the plantlets could be left in water before being acclimatised as growth was much faster pre acclimatisation, buts that's a whole other experiment for a different time. I hope my long rambling report can help someone in some way eventually. - Niall FM
Hi! I wanted to share this picture of a cutting from my Nepenthes x Linda. The cutting was taken 2-3 months ago and rooted in water. Two weeks ago I transplanted it to a mix of LFS/perlite/orcid bark. To my surprise I discovered yesterday that it was starting to flower. It's the first time a Nepenthes flower for me. Never thought it would be a cutting! So what do you think of this? Will the cutting have enough "strength" to pull this through? Also is it safe to presume that the vine would have flowered if left on the mother plant?
Hi everyone, I'll have to make some cuttings of some of my Neps soon, and I was wondering what is the best "rooting medium" for the cuttings you've succesfully used so far. I've read about sphagnum moss (dead), living sphagnum, pure perlite... What is the best, from your own direct experience? And by curiosity, how did it take from the day of the cutting to the first root appearance? Cheers Vincent