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Journal > Jurnal Tumbuhan Obat Indonesia > PENGGUNAAN AUKSIN DAN SITOKININ ALAMI PADA PERTUMBUHAN BIBIT LADANG PANJANG (PIPER RETROFRACTUM VAHL.)

 

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Jurnal Tumbuhan Obat Indonesia
Vol 3, No 2 Des (2010)
PENGGUNAAN AUKSIN DAN SITOKININ ALAMI PADA PERTUMBUHAN BIBIT LADANG PANJANG (PIPER RETROFRACTUM VAHL.)
Siswanto, Usman ( Fakultas Pertanian Universitas Bengkulu)
Sekta, Nurmaini Diana ( Fakultas Pertanian Universitas Bengkulu)
Romeida, Atra ( Fakultas Pertanian Universitas Bengkulu)
Article Info   ABSTRACT
Published date:
07 Feb 2013
 
Application of shallot extract and coconut milk has be en tested to stimulate the vegetative propagation of pepper and grape. However, so far, shallot extract and coconut milk have yet to use for P retrofractum VaW. The objective of this research was to acquire the concentration of shallot extract and coconut milk on the growth of P retrofractum VaW. in the nursery. The research was carried out at the research station of Agriculture Faculty, University of Bengkulu, from October 2003 to January 2004. Experimental design used in this research was Completely Randomized with two factors. The first factor was the concentration of shallot extract consisting of 50: control; S1: 250 g/2L of water; 52: 500 g/2L of water; and 53: 750 g/2L of water. The second factor was coconut milk concentration composing of KO: 0%, Kl: 25%, K2: 50%. The data were analyzed using analyzes of variance (ANOVA) at 5% level, and continued by Duncan Multiple Range Test. The results indicated that application of shallot extraet had a significant effect on the shoot length, number of leaf, green color intensity of leaf, and fresh weight of shoot. Shallot extract concentration 500 g/2L of water produced longer shoot length (23.10 cm). Meanwhile, the highest number of leaf (14.55), the greener color intensity (54.00), and the heaviest shoot dry weight were resulted by application of 500 g/2L shallot extraet concentration, consecutively. Number of root, root length, and root dry weight were not influenced significantly by theshallotextractconcentration. Key words: Shallot extract, coconut milk, Piper retrofractum VaW., green color intensity, dry weight.
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