PENGARUH LAMA PENYIMPANAN SETEK BERAKAR TERHADAP PERTUMBUHAN NILAM(Pogostemon cablin Benth)

MELATI MELATI, DEVI RUSMIN, SUKARMAN SUKARMAN

Abstract


ABSTRAK
Dalam upaya pengembangan nilam (Pogostemon cablin) di daerah
yang jaraknya jauh dari kebun induk, pengadaan benih nilam yang berkua-
litas menjadi masalah yang serius, karena bibit akan cepat mengalami
penurunan kualitas selama transportasi. Untuk itu dilaksanakan penelitian
yang bertujuan untuk mengetahui pengaruh lama simpan setek berakar
nilam terhadap pertumbuhan. Percobaan dilaksanakan di rumah kaca Balai
Penelitian Tanaman Rempah dan Obat (Balittro) dari bulan April –
Agustus 2004. Percobaan disusun dalam rancangan petak terbagi (RPT)
dengan 3 ulangan. Petak utama (main plot) adalah 2 jenis setek nilam
yaitu: (1) setek berdaun dan (2) setek tidak berdaun. Anak petak (sub plot)
adalah lama penyimpanan setek yaitu: (1) setek langsung ditanam
(kontrol), (2) setek disimpan 1 hari, (3) setek disimpan 3 hari, (4)setek
disimpan 5 hari dan, (5) setek disimpan 7 hari. Pengamatan dilakukan
sejak tanaman berumur 2 minggu sampai tanaman berumur 8 minggu.
Parameter yang diamati meliputi pertumbuhan tanaman (tinggi, jumlah
daun dan jumlah tunas), bobot kering (batang, daun, akar). Hasil perco-
baan menunjukkan bahwa persentase hidup setek nilam berakar (setek
berdaun dan setek tidak berdaun) masih 100% setelah disimpan selama 7
hari. Hampir dari seluruh parameter pertumbuhan (tinggi tanaman, jumlah
cabang, jumlah daun) yang diamati menunjukkan bahwa pertumbuhan
bibit setek berdaun lebih baik dibandingkan dengan setek yang tidak
berdaun.
Kata kunci : Nilam, Pogostemon cablin Benth, bibit, setek berakar,
penyimpanan, pertumbuhan, Jawa Barat
ABSTRACT
Effect of storage periods of rooted cutting on the growth
of patchouli (Pogostemon cablin Benth)
Providing high quality of patchouli (Pogostemon cablin Benth)
seedlings is necessary to support the development of patchouli plants. In
the new developing area transportation become serious problems (high
cost transportation), therefore some alternative solution is reducing the
transportation cost without reducing the quality of the seedlings. Base on
the problems, this experiment was conducted. The objective of this
experiment was to study the effect of storage periods of rooted cuttings on
the growth of patchouli plant. The experiment was conducted in the green
house of Indonesian Spice and Medicinal Crops Research Institute
(ISMECRI), from April to August 2004. The experiment was arranged in
a split-plot design with 3 replications. The main plot was 2 kinds of cutting
there were: (1) leaf cutting and (2) non leaf cutting. The sub plot was 5
different storage periods, there were: (1) control (no storage), (2)1 day
storage, (3) 3 day storage, (4) 5 day storage, (5) 7 day storage. The
variables observed were plant growth (plant height, number of leaves and
number of shoots), dry weight of stems, leaves and roots. The results of
experiment indicated that after 7 day storage, rooted cuttings of patchouli
were still 100% viable. The growth of patchouli from leaf cutting was
significantly different from non leaf cutting. Patchouli plant from leaf
cutting produced higher plant height, number of leaves, number of shoots
and dry weight of plants compared to those of patchouli plants from non
leaf cuttings. Storage period significantly affected the height of plants
however it did not significantly affected the number of leaves, number of
shoots and dry weight of plants.
Key words: Pacthouli, Pogostemon cablin, seedlings, rooted cutting,
storage, growth, West JavE

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DOI: http://dx.doi.org/10.21082/jlittri.v12n4.2006.135-139

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