FENOLOGI DAUN Dicksonia blumei (Kunze) Moore DI KEBUN RAYA “EKA KARYA” BALI, INDONESIA (Leaf phenology of Dicksonia blumei (Kunze) Moore at “Eka Karya” Bali Botanic Garden, Indonesia)

Jurnal Penelitian Hutan Tanaman

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Title FENOLOGI DAUN Dicksonia blumei (Kunze) Moore DI KEBUN RAYA “EKA KARYA” BALI, INDONESIA (Leaf phenology of Dicksonia blumei (Kunze) Moore at “Eka Karya” Bali Botanic Garden, Indonesia)
 
Creator Hanum, Siti Fatimah
 
Subject Fenologi; Dicksonia blumei; suhu; curah hujan
 
Description SariABSTRACTDicksonia blumei (Kunze) Moore is one type of tree ferns that can be utilized as medicinal and ornamental  plant. However, literature on phenology research of this species, is very limited even to date. The purpose of this research is to understand the phenology phase of D. blumei and to analyze the correlation of each phenology phase to climate factor, particularly temperature and rainfall. This information is expected to support D. blumei's reintroduction activities. The phenology of D. blumei in Eka Karya Bali Botanical Garden was observed from May 2015 to May 2016 using 30 plant samples. Several samples produced sterile and fertile leaves during observation. Phenological phases include frond emergence, leaf development, leaf maturation (characterized by spore), leaf senescence and mature spore formation until spore release. The number of developed leaves was less than the number emerged frond, while the number of whitered leaves was less than the number of matured leaves. The average number of days needed from frond to withered phase was 254.3l ± 6.8 days. Leaf development phase was negatively correlated with temperature, while leaf senescence phasewas positively correlated with rainfall. Fertility and leaf production were not correlated with climate factors or seasonal variations. These results show that phenological rhythms of D. blumei were not influenced byclimate variations. ABSTRAKDicksonia blumei (Kunze) Moore merupakan jenis paku pohon yang memiliki kegunaan sebagai tanaman obat dan hias. Namun demikian, sampai saat ini belum banyak literatur yang membahas fenologi jenis paku tersebut. Penelitian ini bertujuan untuk mengetahui fase fenologi D. blumei dan menganalisa hubungan setiap fase fenologi dengan faktor iklim (suhu dan curah hujan). Informasi ini diharapkan dapat mendukung kegiatan reintroduksi D. blumei.  Fenologi D. blumei diamat i selama satu tahun (Mei 2015 sampai Mei 2016) menggunakan 30 sampel tanaman di Kebun Raya “Eka Karya”Bali. Beberapa sampel menghasilkan daun sterildan fertil selama pengamatan.  Fase fenologi meliputi munculnya daun, perkembangan daun, daun dewasa yang ditandai adanya spora, daun layu dan terbentuknya spora matang hingga lepasnya spora. Jumlah daun yang berkembang lebih sedikit dibanding jumlah daun yang muncul, dan jumlah daun yang layu lebih sedikit  dibandingkan dengan jumlah daun yang sudah dewasa. Total jumlah hari yang dibutuhkan dari fase daun muncul hingga fase layu adalah 254,31 ± 6,8. Fase perkembangan daun berkorelasi negat if dengan suhu, sementara fase daun layu berkorelasi posit if dengan curah hujan. Namun, produksi daun dan pembentukan spora tidak dipengaruhi oleh faktor iklim atau variasi musiman. Hal ini memperlihatkan bahwa fenologi D. blumei tidak dipengaruhi oleh variasi musiman. 
 
Publisher Pusat Penelitian dan Pengembangan Hutan
 
Contributor Balai Konservasi Tumbuhan Kebun Raya Eka Karya Bali-LIPI
 
Date 2019-06-28
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion


 
Format application/pdf
 
Identifier http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPHT/article/view/4618
10.20886/jpht.2019.16.1.1-8
 
Source Jurnal Penelitian Hutan Tanaman; Vol 16, No 1 (2019): JURNAL PENELITIAN HUTAN TANAMAN; 1-8
Jurnal Penelitian Hutan Tanaman; Vol 16, No 1 (2019): JURNAL PENELITIAN HUTAN TANAMAN; 1-8
2442-8930
1829-6327
 
Language ind
 
Relation http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPHT/article/view/4618/4729
 
Rights ##submission.copyrightStatement##
http://creativecommons.org/licenses/by-nc/4.0
 

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