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All Journal Jurnal Penelitian Tanaman Industri Jurnal Penelitian Karet Jurnal Penelitian Tanaman Industri (Littri)
Nur Eko Prasetyo
Balai Penelitian Getas, Pusat Penelitian Karet
Agriculture, Biological Sciences & Forestry Education Industrial & Manufacturing Engineering

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ROOT TRAINER MEDIA CONTAINING COCOPEAT AND PEAT TO SUPPORT GROWTH AND QUALITY OF RUBBER ROOTSTOCK ROOTS Nur Eko Prasetyo; Budi Setyawan; Samijan Samijan; Nofitri Dewi Rinojati; Sumarmadji Sumarmadji
Jurnal Penelitian Tanaman Industri Vol 26, No 1 (2020): June, 2020
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v26n1.2020.23-31

Abstract

The physical and chemical properties of the growing medium for root trainer of rubber are critical to support plant growth. This study aimed to obtain the best medium for growing rootstock rubber seedlings in the root trainer.  Rubber clone PR 300 seeds were germinated for 21 days, then raised in root trainer pots for five months. The treatments evaluated were a mixture of cocopeat, Rawapening peat, and manure at different ratios.  The experiment was designed in a Randomized Block Design, three replications, 30 plants per replicate, totaling 720 plants. The observed variables were N, P, K, Mg, C-organic content, pH, and cation exchange capacity of cocopeat, peat, and manure, as well as plant growth (height, stem diameter, wet weight, and dry weight). ANOVA used for analyzing data, followed with the Duncan Multiple Range Test at 5% level. The results showed that there were three best root trainer media for PR 300 rubber rootstock seedlings were a mixture of cocopeat + peat (1:1), cocopeat + peat + manure (1:2:1), and cocopeat + peat + manure (2:1:1). The growth and compactness of the roots are outstanding, so the seedlings are easily removed from the root trainer pots without significant damage. Based on the initiation and cost, the best root trainer medium is a mixture of cocopeat + peat + manure (1: 2:1). It is necessary to study the use of other types of peat soils apart from Rawapening. Also, it needs to be observed further plant growth after inoculation with the stem and after planting in the field.Keywords : Planting medium, Rawapening peat, rubber clone PR 300.
PENGARUH JUVENILITAS ENTRES TERHADAP KARAKTER TUNAS BIBIT OKULASI DINI TANAMAN KARET Lestari Admojo; Nur Eko Prasetyo; Elya Afifah; Hananto Hadi
Jurnal Penelitian Karet JPK : Volume 31, Nomor 1, Tahun 2013
Publisher : Pusat Penelitian Karet - PT. Riset Perkebunan Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/ppk.jpk.v31i1.129

Abstract

Secara umum, keturunan klonal dari tanaman karet belum tentu menunjukkan performa sesuai dengan ortetnya meskipun sifat genetisnya sama. Hal tersebut terjadi karena entres yang digunakan sebagai sumber batang atas pada perbanyakan klonal tidak lagi memperlihatkan tipe juvenil. Perbaikan juvenilitas bibit antara lain bisa diupayakan melalui penggunaan entres tipe juvenil yang diokulasikan pada batang bawah usia dini. Penelitian ini dilakukan untuk mengetahui pengaruh juvenilitas entres terhadap karakter tunas bibit okulasi dini. Penelitian disusun secara RAL (Rancangan Acak Lengkap) dengan 2 perlakuan entres (tipe juvenil dan tipe dewasa). Setiap perlakuan terdiri atas 3 ulangan, dengan masing-masing ulangan menggunakan 10 tanaman. Jenis entres yang digunakan yaitu cabang primer usia muda sebagai sumber mata tunas tipe juvenil dan wiwilan cabang tersier sebagai sumber mata tunas tipe dewasa klon IRR 112. Entres selanjutnya diokulasikan pada batang bawah usia 2,5 bulan. Pengamatan dilakukan pada karakter tunas, yaitu panjang tunas payung I dan payung II, sudut tunas, bobot basah dan bobot kering tajuk-akar, dan rasionya. Hasil penelitian menunjukkan bahwa karakter tunas bibit okulasi dini dari kedua perlakuan menunjukkan beda nyata kecuali rasio bobot basah dan bobot kering tajuk-akar. Karakter tunas payung I dan payung II bibit asal mata tunas cabang primer (Juvenile Budding atau JB) nyata lebih panjang dari bibit asal mata tunas cabang wiwilan (Mature Budding atau MB). Sudut tunas bibit JB nyata lebih kecil dari bibit MB. Bobot basah dan bobot kering tajuk-akar bibit JB nyata lebih besar dibandingkan bibit MB. Adapun rasio bobot basah dan bobot kering tajuk akar kedua perlakuan tidak berbeda nyata. Diterima : 2 Januari 2013; Disetujui : 14 Maret 2013 How to Cite : Admojo, L., Prasetyo, N. E., Afifah, E., & Hadi, H. (2013). Pengaruh juvenilitas entres terhadap karakter tunas bibit okulasi dini tanaman karet. Jurnal Penelitian Karet, 31(1), 13-19. Retrieved from http://ejournal.puslitkaret.co.id/index.php/jpk/article/view/129
ROOT TRAINER MEDIA CONTAINING COCOPEAT AND PEAT TO SUPPORT GROWTH AND QUALITY OF RUBBER ROOTSTOCK ROOTS Nur Eko Prasetyo; Budi Setyawan; Samijan Samijan; Nofitri Dewi Rinojati; Sumarmadji Sumarmadji
Jurnal Penelitian Tanaman Industri Vol 26, No 1 (2020): June, 2020
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v26n1.2020.23-31

Abstract

The physical and chemical properties of the growing medium for root trainer of rubber are critical to support plant growth. This study aimed to obtain the best medium for growing rootstock rubber seedlings in the root trainer.  Rubber clone PR 300 seeds were germinated for 21 days, then raised in root trainer pots for five months. The treatments evaluated were a mixture of cocopeat, Rawapening peat, and manure at different ratios.  The experiment was designed in a Randomized Block Design, three replications, 30 plants per replicate, totaling 720 plants. The observed variables were N, P, K, Mg, C-organic content, pH, and cation exchange capacity of cocopeat, peat, and manure, as well as plant growth (height, stem diameter, wet weight, and dry weight). ANOVA used for analyzing data, followed with the Duncan Multiple Range Test at 5% level. The results showed that there were three best root trainer media for PR 300 rubber rootstock seedlings were a mixture of cocopeat + peat (1:1), cocopeat + peat + manure (1:2:1), and cocopeat + peat + manure (2:1:1). The growth and compactness of the roots are outstanding, so the seedlings are easily removed from the root trainer pots without significant damage. Based on the initiation and cost, the best root trainer medium is a mixture of cocopeat + peat + manure (1: 2:1). It is necessary to study the use of other types of peat soils apart from Rawapening. Also, it needs to be observed further plant growth after inoculation with the stem and after planting in the field.Keywords : Planting medium, Rawapening peat, rubber clone PR 300.
Co-Authors Budi Setyawan Elya Afifah Hananto Hadi Lestari Admojo Nofitri Dewi Rinojati Samijan Samijan Sumarmadji Sumarmadji