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All Journal JURNAL PERBENIHAN TANAMAN HUTAN
Muhammad Zanzibar
Balai Penelitian Teknologi Perbenihan Tanaman Hutan, Kementerian Lingkungan Hidup dan Kehutanan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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Drying Method of Pods for Extracting and Decreasing of Seed Moisture Content of Sengon Laut (Falcataria moluccana (Miq.) Barneby & J.W. Grimes Muhammad Zanzibar
Jurnal Perbenihan Tanaman Hutan Vol 5, No 2 (2017): Jurnal Perbenihan Tanaman Hutan
Publisher : Forest Tree Seed Technology Research & Development Center (FTSTRDC)/ Balai Penelitian dan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (522.123 KB) | DOI: 10.20886/bptpth.2017.5.2.95-102

Abstract

The process of initial handling of seeds is extraction which is using dry or wet methods. The objective of this research was to find out the suitable pod drying period for extracting seeds and decreasing of seed moisture content of sengon laut. The experimental design used was a complete randomized design (CRD). The main factor was drying method under the sun and using seed drier (40°C). The results showed that either sun drying for 2  days or use seed drier for 32 hours was the best method for extraction and decreasing of seed moisture content. Drying pods was enable to obtain safe seed moisture content for long-term storage of Falcataria molucana seeds.
The Type of Dormancy and Pre Treatment for Breaking Dormancy of Balsa (Ochroma bicolor ROWLEE) Seed Muhammad Zanzibar
Jurnal Perbenihan Tanaman Hutan Vol 5, No 1 (2017): Jurnal Perbenihan Tanaman Hutan
Publisher : Forest Tree Seed Technology Research & Development Center (FTSTRDC)/ Balai Penelitian dan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (626.59 KB) | DOI: 10.20886/bptpth.2017.5.1.51-60

Abstract

One of the determinants of the success of germination is when the dormancy inhibiting factor in the seed has been controlled. When experiencing dormancy symptoms then before germination need to do preliminary treatment. This study aims to determine the type of dormancy and pretreatment for breaking the dormancy of balsa seeds.The experimental design used was a complete randomized design (RAL). The observed variables were germination capacity (GC), mean days germination (MDG) and germination value es (GV). The preliminary treatment used included the use of 80 oC hot water, the use of water with room temperature 27 oC, giberalin acid (GA3), hydrogen peroxide (H2O2), and without treatment (control). The results show that the dormant type of balsa seed is a combination of external dormancy (skin hardness) and internal dormancy (embryo). The best preliminary treatment was obtained on soaking the seeds in GA3 (75 ppm) for 24 hours.
METODA PEMBERSIHAN BENIH, PENGARUH IRADIASI SINAR GAMMA (60 CO) TERHADAP PERKECAMBAHAN DAN PERTUMBUHAN SEMAI SERTA PERUBAHAN BIOKIMIA BENIH GELAM (Melaleuca leucadendron) Muhammad Zanzibar; Kurniawati Purwaka Putri
Jurnal Perbenihan Tanaman Hutan Vol 10, No 1 (2022): Jurnal Perbenihan Tanaman Hutan
Publisher : Forest Tree Seed Technology Research & Development Center (FTSTRDC)/ Balai Penelitian dan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/bptpth.2022.10.1.119-130

Abstract

Benih gelam (M. leucadendron) berukuran sangat kecil. Umumnya antara benih dan kotoran sulit dibedakan secara visual sehingga dibutuhkan upaya pembersihan dalam meningkatkan mutu fisik dan fisiologisnya. Iradiasi benih dengan sinar gamma dosis rendah dapat meningkatkan kapasitas perkecambahan dan kualitas semai, namun pada dosis tinggi dapat bersifat menghambat. Penelitian ini terdiri dari 2 percobaan, yaitu : (1) Metoda pembersihan benih gelam dengan menggunakan ayakan (2) Pengaruh iradiasi benih terhadap perkecambahan, pertumbuhan semai dan perubahan biokimia benih. Kedua percobaan menggunakan rancangan acak lengkap (RAL). Hasil penelitian menunjukkan bahwa metoda pembersihan benih gelam terbaik diperoleh jika benih lolos dari ayakan ukuran 210 μm (L210 = 70 mesh); jumlah kecambah per 0,1 gram meningkat lebih dari 343,78 % dibanding tanpa pengayakan (kontrol).  Iradiasi sinar gamma hingga dosis 960 Gy tidak mempengaruhi perkecambahan.  Prosentase hidup semai akan menurun secara drastis pada dosis 480 – 960 Gy.  Dosis iradiasi 15 Gy meningkatkan pertumbuhan tinggi dan diameter semai, masing-masing 193,33 dan 73,58% dibanding kontrol.  Komponen utama biokimia benih gelam segar adalah karbohidrat (80,35%).  Penuaan benih gelam mulai terjadi setelah paparan dosis lebih besar 15 Gy yang diindikasikan mulai munculnya kandungan lemak.     
Co-Authors Kurniawati Purwaka Putri