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Warta Rimba
Published by Universitas Tadulako
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Articles 12 Documents
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Search results for , issue "Vol 8, No 2 (2020)" : 12 Documents clear
PENGARUH BERBAGAI JENIS SKARIFIKASI TERHADAP PERKECAMBAHAN BENIH SAGA (Adenanthera pavonina L) DI PERSEMAIAN PERMANEN BPDAS PALU-POSO Rosdiana, Rosdiana; Zulkaidhah, Zulkaidhah; Umar, Husain; Wahyuni, Dewi
Jurnal Warta Rimba Vol 8, No 2 (2020)
Publisher : Universitas Tadulako

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Abstract

One of the obstacles in the cultivation of saga plant (Adenantherapavonina L)  was saga plant’s seeds (Adenantherapavonina L) have the high dormancy properties, it was caused by the hard seed coat which is impermeable to water. An effort to break the dormancy of the saga seeds coat (Adenantherapavonina L)  could be done by scarification. This research was located in PersemaianPermanen BPDAS Palu-Poso which is in the Tadulako University area, Palu, Central Sulawesi from June to August 2019. This research was used Completely Randomized Design (CRD) method with four treatments and ten repetitions. Each repetition consisted of five saga seeds (Adenantherapavonina L). So that the saga seeds needed were 200 seeds. The scarification treatment was given S0 symbol: Without scarification (control), S1: Soaking in a hot water with 100oC temperature for 10 minutes. S2: Cutting on cotyledons, S3: Sanding on all plants of seed surfaces. The treatment of various types of scarification of saga seed germinations (Adenantherapavonina L)very significant effect on germination that is germination, speed of germination and simultaneity of germination. The highest germination, germination speed and simultaneity germination in the S3 treatment, namely sanding on the entire surface of the seed coat.The germination rate of S3 treatment with the highest value was 0.95%. The speed of germination with the highest value was 0.03%. Simultaneity germinated with the highest value of 4.40%. Whereas the lowest germination, germination speed and simultaneity germination were found in S0, that is  without treatment (control) with a value of 0.00%.Keywords: Seed, Germination, Adenanthera pavonina L
PENGARUH PEMBERIAN PUPUK HERBAGREEN DAN HUMID ACID TERHADAP PERTUMBUHAN ANAKAN SENGON (Albizia falcataria) DI LAHAN GAMBUT KALIMANTAN TENGAH Yanarita, Yanarita; Johanna, Johanna; Indrayanti, Lies; Firdara, Eritha Kristina
Jurnal Warta Rimba Vol 8, No 2 (2020)
Publisher : Universitas Tadulako

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Abstract

Permasalahan rehabilitasi hutan dan lahan gambut adalah  perubahan status hidrologi lahan gambut akibat pembangunan drainase, akan menyebabkan perubahan jenis vegetasi yang adaptif di kawasan tersebut. Penelitian pengaruh pemberian pupuk herbagreen dan humicasid dalam beberapa konsentrasi terhadap pertumbuhan anakan sengon (albizia falcataria) di lahan gambut diharapkan dapat memberikan informasi vegetasi yang adaptif dengan perubahan dan  sebagai salah satu alternatif keberhasilan rehabilitasi hutan dan lahan gambut. Penelitian menggunakan Rancangan Acak Kelompok dan analisis menggunakan SPSS 20. Hasil analisis menunjukkan bahwa perlakuan jenis pupuk dan konsentrasi menunjukkan hasil pertumbuhan diameter dan tinggi yang berbeda. Pada pertumbuhan tinggi bebas cabang perlakuan pupuk Humid Acid pada konsentrasi 50% memberikan pertumbuhan lebih baik, berbeda sangat nyata dibandingkan pupuk herbagreen dan campuran humid acid+herbagreen. Namun pemberian konsentrasi pupuk humid acid tidak berbeda nyata antara 10%, 30% dan 50%. Pertumbuhan tinggi sampai pucuk sengon dengan perlakuan kontrol memberikan pertumbuhan lebih baik dan berbeda sangat nyata dibandingkan perlakuan pemberian pupuk herbagreen, humid acid dan herbagreen + humid acid. Pertumbuhan diameter batang sengon dengan perlakuan pupuk herbagreen pada konsentrasi 30% memberikan pertumbuhan lebih baik, tetapi hanya berbeda nyata pada taraf 5% dibandingkan perlakuan lainnya. Prosentase hidup sengon 100% untuk semua perlakuan pemberian pupuk. Secara umum, pemberian pupuk herbagreen dan humidacid terhadap pertumbuhan awal sengon dapat digunakan, dan sebagai vegetasi yang adaptif untuk rehabilitasi lahan gambut.Kata kunci : herbagreen, humid acid, konsentrasi larutan pupuk, rehabilitasi lahan gambut

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