Vegetative propagation of selected nepenthes species by stem cuttings

Nurul Syahira, Binti Karim. (2016) Vegetative propagation of selected nepenthes species by stem cuttings. [Final Year Project Report] (Unpublished)

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Abstract

Pitcher plant has a high potential and beneficial as ornamental and medicinal plants. However, only a few studies have been carried out. Due to the clearing of lands and natural forests, the population of pitcher plant is nearly extinct. Hence, in order to save the extinction of Nepenthes sp., the conventional propagation by rooting of stem cuttings is done because low percentage of seed germination showed by Nepenthes sp. The present study focused on N.ampullaria, N.gracilis and N. mirabilis. There are five treatments altogether have been tested which include three different rooting media with present or without of leaf retention (Sand with leaf, sand with no leaf, cocopeat with leaf, cocopeat with no leaf, water with leaf and water with no leaf).To enhance rooting, the cutting were treated with commercial hormone, SADEX 1 for sand media and cocopeat media while for water media were treated with 600 ppm of IBA hormone. The results showed cuttings N.gracilis has the highest percentage rootings success (13.33%) compared to N.ampullaria and N.mirabilis (11.67%). Overall rooting success was recorded by cuttings with leaf rooted in sand (21.7%) followed by leaf rooted in cocopeat (6.7%). While for cuttings without leaf rooted in sand (5.8%) and in cocopeat (2.5%). There is no rooting success for rooting media water. Leaf retention on cuttings proved to be a beneficial factor to enhance the root and shoot development of Nepenthes compared to those cuttings without leaf.

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