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All Journal HAYATI Journal of Biosciences Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia Jurnal Teknologi Dan Industri Pangan Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Jurnal Veteriner Microbiology Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Sumberdaya Hayati JURNAL BIOLOGI INDONESIA ANNALES BOGORIENSES Biosaintifika: Journal of Biology & Biology Education Menara Perkebunan Floribunda Jurnal Ilmiah Sains
Nampiah Sukarno
Department Of Biology, Faculty Of Mathematics And Natural Sciences, IPB University, Bogor, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mathematics Medicine & Pharmacology Physics Veterinary

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Arsitektur akar bibit kelapa sawit yang diinokulasi beberapa cendawan mikoriza arbuskula Root architecture of oil palm seedling inoculated with selected arbuscular mycorrhizal fungi Happy WIDIASTUTI; Edi GUHARDJA; Nampiah SUKARNO; Latifah KOSIM DARUSMAN; Didiek Hadjar GOENADI; Sally SMITH
Menara Perkebunan Vol. 71 No. 1: 71 (1), 2003
Publisher : INDONESIAN OIL PALM RESEARCH INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iribb.jur.mp.v71i1.182

Abstract

Summary Oil palm is mostly cultivated in acid soil. The growth constraint of plant in acid soil is the limited availability of phosphorus (P) nutrient. Improvement of root system morphology and architecture have an important aspect since P is immobilized nutrient. Colonization of oil palm by rrbuscular mycorrhizal fungi increase the P uptake of plant. However, there is no information related to the effect of AM fungal colonization on oil palm root morphology and architecture.        A research has been conducted to asses the effect of colonization of two species of AM fungi on root system morphology and architecture of oil palm seedling. The research was conducted using Cikopomayak acid soil as medium in simple glass chamber. The plant material was from Indonesian Oil Palm Research Institute, Medan while AM fungal inoculum was produced using pot culture. Six treatments assesed are combination of three levels of  AM fungi inoculation (without inoculation with, Acaulospora tuberculata and Gigaspora margarita) and two levels of  fertilization (without, and with fertilizer). The result showed that colonization of AM fungi could change the root system morphology, and root architecture. The root fresh weight, root dry weight, length, and volume were significantly higher with the AM fungi colonization especially A. tuberculata inoculation. However, specific root weight was not significantly different between inoculated and uninoculated. The enhancement was significantly observed 26 weeks after inoculation. Biside that, proportion of secondary root of oil palm inoculated with AM fungi was higher compared to primary root. Fertilization tend to reduced root growth. Fertilization reduced significantly root shoot ratio of inoculated as well as uninoculated seedlings. The rooting volume was higher in inoculated seedling compared to uninoculated. The highest enhancement of N, P, and K uptake was observed 26 weeks after inoculation. The better root morphology and architecture might be one mechanisms of AM fungi colonized oil palm seedlings in increasing P uptake. Ringkasan Umumnya tanaman kelapa sawit ditanam pada tanah masam. Hambatan pertumbuhan tanaman pada tanah masam adalah terbatasnya ketersediaan nutrisi P (fosforus). Oleh sebab itu perbaikan sistem morfologi dan arsitektur akar memiliki aspek yang penting disebabkan P merupakan nutrisi yang tidak mudah bergerak. Kolonisasi tanaman kelapa sawit dengan cendawan  mikoriza arbuskula (CMA) akan meningkatkan penyerapan P oleh tanaman.  Namun, hubungan antara simbiosis  CMA dengan arsitektur perakaran kelapa sawit belum diketahui. Penelitian ini dilakukan untuk mempelajari pengaruh kolonisasi dua spesies CMA pada sistem morfologi dan arsitektur akar bibit tanaman kelapa sawit. Percobaan  dilakukan menggunakan tanah masam Cikopomayak yang mengandung Al tinggi sebagai medium dalam kultur pot kaca yang sederhana. Kecambah kelapa sawit berasal dari Pusat Penelitian Kelapa Sawit (PPKS), Medan,  sedangkan inokulum CMA diproduksi menggunakan kultur pot. Enam perlakuan yang diuji merupakan kombinasi tiga jenis inokulasi CMA ( tanpa inokulasi, inokulasi dengan Acaulospora tuberculata dan Gigaspora margarita) serta dua tingkat pemupukan (tanpa, dan dengan pemupukan). Hasil yang diperoleh menunjukkan bahwa inokulasi CMA merubah sistem morfologi dan arsitektur perakaran. Bobot basah, bobot kering, panjang dan volume akar nyata lebih tinggi pada tanaman yang dikolonisasi CMA khususnya A. tuberculata. Namun berat akar spesifik tidak beda nyata antara yang diinokulasi dan tanpa inokulasi. Peningkatan berat akar sangat nyata setelah 26 hari diinokulasi. Di samping itu proporsi akar sekunder lebih tinggi dibandingkan dengan akar primer pada  tanaman kelapa sawit yang diinokulasi CMA. Pemupukan pada umumnya menurunkan pertumbuhan akar dan secara nyata menurunkan nisbah akar pucuk. Volume perakaran lebih besar pada bibit kelapa sawit yang diinokulasi dibandingkan dengan yang tidak diinokulasi.  Peningkatan serapan  N, P,  dan  K tertinggi teramati 26 minggu setelah inokulasi. Morfologi perakaran yang lebih baik demikian pula arsitektur perakaran mungkin merupakan mekanisme bibit kelapa sawit bermikoriza dalam meningkatkan serapan P.
Co-Authors , Triadiati ADI YULANDI Agustin Wydia Gunawan Alex Hartana ALEX HARTANA Alex Hartana Anastastia Raditya Hidayanti Astri Ariyani Atit Kanti Atit Kanti Cici Rahmawati Cinta Badia Br Ginting, Rohani Dedi Fardiaz Desi Maria Panjaitan Didiek Hadjar Goenadi Dyah Iswantini Edhi Sandra Edi Guhardja Endang Sukara Eris Septiana Fachrian Hasmi Pasaribu Fachriyan Hasmi Pasaribu Fadillah, Wendi Nurul Franco, Christopher MM Hamim Hamim HAPPY WIDIASTUTI Hidayanti, Anastastia Raditya I Made Sudiana I Nyoman Pugeg Aryantha Ibnu Qayim Irmanida Batubara Kartini Kramadibrata Kemala S. Nagur L K Darusman Lady Diana Tetelepta Latifah K Darusman latifah K Darusman LATIFAH KOSIM DARUSMAN Latifah Kosim Darusman Latifah Kosim Darusman M. Rafi Mashuri Waite Mashuri Waite Maulani, Nail Izzatul Mega Putri Amelya Michael Michael Mien Ahmad Rifai Mujahidah, Shofia Mujahidah, Shofia Mulya Sari Nadia T. Hendartina Nadiya Dwi Rahayu Novriyandi Hanif Partomuan Simanjuntak Putra, Sukma Triperdana Rahayu Laelandi Rahayu, Nadiya Dwi Rahminiwati, Min Rida Oktorida Khastini Risna Riza Firmansyah Riza Zainuddin Ahmad ROHANI CINTA BADIA GINTING Rohani Cinta Badia Ginting Sally SMITH Sihegiko Kanaya SIHEGIKO KANAYA Sintho Wahyuning Ardie Soekisman Tjitrosoedirdjo Sofi Mursidawati Sofi Mursidawati Sri Listiyowati Subagya, Mahmud Sukarno Sukarno Sukmarayu P Gedoan Sukmarayu P. Gedoan Sulfiah, Siti Syaiful Anwar UTUT WIDYASTUTI Utut Widyastuti UTUT WIDYASTUTI UTUT WIDYASTUTI Utut Widyastuti Utut Widyastuti Suharsono Utut Widyastuti Suharsono† Waite, Mashuri Wei Zhang Wendi Nurul Fadillah Wendi Nurul Fadillah Wendi Nurul Fadillah Yanti Novera Yasuyuki Hashidoko† Yuyun Nisaul Khairillah Za’aziza Ridha Julia