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Evayusvita Rustam
Balai Penelitian dan Pengembangan Teknologi Perbenihan Tanaman Hutan
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Education

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DAYA SIMPAN BENIH JABON PUTIH [Neolamarckia cadamba (Roxb.) Bosser] BERDASARKAN POPULASI DAN KARAKTERISTIK BENIH (Seed Storability of Jabon Putih [Neolamarckia cadamba (Roxb.) Bosser] Base on Populations and Seed Characteristics) Evayusvita Rustam; Tatiek K. Suharsi; M. Rahmad Suhartanto; Dede J. Sudrajat
Jurnal Penelitian Hutan Tanaman Vol 14, No 1 (2017): JURNAL PENELITIAN HUTAN TANAMAN
Publisher : Pusat Penelitian dan Pengembangan Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1440.971 KB) | DOI: 10.20886/jpht.2017.14.1.19-34

Abstract

 ABSTRACTJabon putih [Neolamarckia cadamba (Roxb.) Bosser] has been cultivated in large scale. However it is constrained by the availability of high quality seeds and seed storability information. This study aimed to identify seed storability of jabon putih based on populations and seed morpho-physiological characteristics. Seeds were collected from eight populations, located in eight provinces. Population was a single factor in a completely randomized design for testing the germination characteristics (germination capacity, germination uniformity, germination speed, mean germination time and germination value) before and after storage. Geo-climate and soil macro elements were used as parameters to examine the correlation between environmental factors and seed characteristics before and after storage. Population was significantly correlated with germination characteristics, before and after storage for 54 months. The results indicated that seeds from Pomalaa population had the best germination characteristics, while those from Ogan Kemiring Ilir had the worst germination characteristics. Based on moisture content and storability, jabon putih seed could be categorized as orthodox that can be stored in long time at low temperatures with low moisture content. Geo-climate and soil macro element were not significantly correlated with germination. This result indicated that genetic factor had high contribution to seed storability of jabon putih.Key word : Genetic factor, morpho-physiological, ortodox seed, storage ABSTRAKJabon putih [Neolamarckia cadamba (Roxb.) Bosser] telah banyak dibudidayakan dalam skala luas, namun terkendala dengan ketersediaan benih bermutu dan belum adanya informasi daya simpan benih. Penelitian ini bertujuan untuk mengidentifikasi karakteristik daya simpan benih jabon putih berdasarkan populasi dan karakteristik morfo-fisiologi benih. Benih dikumpulkan dari delapan populasi yang terletak di delapan provinsi. Populasi menjadi faktor tunggal dalam rancangan acak lengkap untuk menguji karakteristik perkecambahan (daya berkecambah, keserempakan tumbuh, kecepatan berkecambah, rata-rata waktu berkecambah dan nilai perkecambahan) sebelum dan setelah penyimpanan. Geo-klimat dan unsur makro tanah merupakan parameter yang dipakai untuk menguji korelasi antara faktor lingkungan dan karakteristik perkecambahan benih sebelum dan sesudah disimpan. Perbedaan asal benih atau populasi berpengaruh nyata terhadap perkecambahan benih sebelum dan setelah disimpan selama 54 bulan. Benih dari populasi Pomalaa (Sulawesi Tengah) mempunyai karakteristik perkecambahan terbaik sedangkan benih dari populasi Ogan Kemiring Ilir (Sumatera Selatan) mempunyai karakteristik perkecambahan terendah. Berdasarkan tingkat kadar air dan daya simpannya, benih jabon putih dapat dikategorikan sebagai benih ortodoks yang mampu disimpan lama pada suhu dan kadar air rendah. Sebagian besar faktor geo-klimat dan unsur makro tanah tidak berkorelasi nyata dengan perkecambahan benih baik sebelum maupun setelah disimpan. Hasil penelitian ini memberi indikasi bahwa faktor genetik berkontribusi besar dalam mempengaruhi perbedaan daya simpan benih jabon putih.Kata kunci: Benih ortodoks, faktor genetik, morfo-fisiologi, penyimpanan
The Effect of Invigoration Using Polyethylene Glycol And Ultra Fine Bubble on Improving of Sengon Seeds (Falcataria Moluccana Miq.) Quality After Two Years Storage Iskandar Z Siregar; Riki Ramdhani; Evayusvita Rustam; Dede J Sudrajat
Jurnal Wasian Vol 8, No 2 (2021): Jurnal Wasian
Publisher : Balai Penerapan Standar Instrumen Lingkungan Hidup dan Kehutanan (BPPLHK)Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jwas.v8i2.5997

Abstract

Utilization of seeds storage results in decreased plant productivity. The increase can be used by treating seeds before planting through the technique of invigoration. This purpose of the study is to assess the effectiveness of invigoration methods using polyethylene glycol (PEG 6000) and ultrafine bubbles (UFB) to improve viability and vigor of sengon seeds (Falcataria moluccana). Seed agieng using 96 % ethanol was carried out to obtain the diversity of seedlot viability as the materials for testing the effectiveness of invigoration treatments. A complete random design was used to test the effectiveness of 5 invigoration treatments, i.e., seed without invigoration treatment, soaking in PEG 6000 -0.8 MPa, soaking in PEG 6000 -1.2 Mpa, soaking in UFB water injected by environmental air, and soaking in UFB water injected by oxygen 99 %, with soaking time is 24 hours for each treatment. Seed agieng resulted three classes of seed viability, i.e. 62 % (initial seed), 83 % (seed agieng for 30 minutes) and 57 % (seed agieng for 60 minutes). In the condition of seed germination before treatment (DBA) 57 % and DBA 62 %, invigoration treatments were significantly affected on seed germination capacity, but not significantly different in DBA 83 %. The soaking treatment of UFB injected by oxigen 99 % was able to improve the germination parameters (germination capacity, germination rate, and vigor index) on the sengon seeds with DBA 57 %. For seeds with DBA 62 %, the soaking treatment in UFB injected by environmental air was provided the best germination capacity, T50, and vigor index. The treatment of UFB injected by oxygen 99 % was more effective to improve the seed with very low viability and vigor (DBA 57 %). In general, improving of seed viability and vigor is more effective by using UFB than PEG 6000.Keywords: deterioration, Falcataria moluccana, invigoration, PEG 6000, UFB, viability, vigor
The Effect of Invigoration Using Polyethylene Glycol And Ultra Fine Bubble on Improving of Sengon Seeds (Falcataria Moluccana Miq.) Quality After Two Years Storage Iskandar Z Siregar; Riki Ramdhani; Evayusvita Rustam; Dede J Sudrajat
Jurnal Wasian Vol 8, No 2 (2021): Jurnal Wasian
Publisher : Balai Penerapan Standar Instrumen Lingkungan Hidup dan Kehutanan (BPPLHK)Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.827 KB) | DOI: 10.20886/jwas.v8i2.5997

Abstract

Utilization of seeds storage results in decreased plant productivity. The increase can be used by treating seeds before planting through the technique of invigoration. This purpose of the study is to assess the effectiveness of invigoration methods using polyethylene glycol (PEG 6000) and ultrafine bubbles (UFB) to improve viability and vigor of sengon seeds (Falcataria moluccana). Seed agieng using 96 % ethanol was carried out to obtain the diversity of seedlot viability as the materials for testing the effectiveness of invigoration treatments. A complete random design was used to test the effectiveness of 5 invigoration treatments, i.e., seed without invigoration treatment, soaking in PEG 6000 -0.8 MPa, soaking in PEG 6000 -1.2 Mpa, soaking in UFB water injected by environmental air, and soaking in UFB water injected by oxygen 99 %, with soaking time is 24 hours for each treatment. Seed agieng resulted three classes of seed viability, i.e. 62 % (initial seed), 83 % (seed agieng for 30 minutes) and 57 % (seed agieng for 60 minutes). In the condition of seed germination before treatment (DBA) 57 % and DBA 62 %, invigoration treatments were significantly affected on seed germination capacity, but not significantly different in DBA 83 %. The soaking treatment of UFB injected by oxigen 99 % was able to improve the germination parameters (germination capacity, germination rate, and vigor index) on the sengon seeds with DBA 57 %. For seeds with DBA 62 %, the soaking treatment in UFB injected by environmental air was provided the best germination capacity, T50, and vigor index. The treatment of UFB injected by oxygen 99 % was more effective to improve the seed with very low viability and vigor (DBA 57 %). In general, improving of seed viability and vigor is more effective by using UFB than PEG 6000.Keywords: deterioration, Falcataria moluccana, invigoration, PEG 6000, UFB, viability, vigor
Co-Authors Dede J Sudrajat Dede J. Sudrajat Iskandar Z Siregar Mohamad Rahmad Suhartanto Riki Ramdhani Tatiek K. Suharsi