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PENGARUH PEMBERIAN RENDAMAN GIBERELIN (GA3) PADA PEMATAHAN DORMANSI KEMIRI (Aleurites moluccana) Sri Hartini, Kansih; Sri Rejeki Sitorus, Astri
Jurnal Biogenerasi Vol. 9 No. 2 (2024): Volume 9 Nomor 2 tahun 2024 periode (Juni 2024 - September 2024)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v9i2.3954

Abstract

Aleurites moluccana is a type of plant that can be utilized for pulp and matchsticks, as traditional medicine, cosmetic ingredients, cooking spices, charcoal, wood supply materials for industry, forest and land rehabilitation activities, preventing erosion, improving environmental quality and regulating water management. The problem in generative propagation of Aleurites moluccana is slow germination due to its hard seed coat. The purpose of this study was to identify the effect of gibberellin soaking on the germination of Aleurites moluccana seeds and to obtain information on the effective soaking time of Aleurites moluccana in gibberellin to break seed dormancy. The design used was a non-factorial Completely Randomized Design (CRD) with 5 treatments, namely no soaking (A0), soaking for 24 hours (A1), soaking for 48 hours (A2), soaking for 72 hours (A3), soaking for 96 hours (A4) with 5 replications. The results showed that Aleurites moluccana seeds gave a real effect on the parameters of germination uniformity, germination rate, germination percentage, and plant height. A good and optimal results were found in soaking for 48 hours.
Optimizing Growth of Parkia speciosa Hassk Seedlings: The Synergistic Impact of Chicken Manure Briquette Dosage and Watering Intervals for Supporting Agroforestry Practices Sri Hartini, Kansih; Dalimunthe, Afifuddin; Aini, Syarifah; Insani, Aqilah
Journal of Sylva Indonesiana Vol. 8 No. 2 (2025): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v8i2.17763

Abstract

Petai (Parkia speciosa Hassk) is a multi-purpose tree species (MPTS) that offers a sustainable solution for perennial cultivation in the Besitang District, within the Gunung Leuser National Park (GLNP) area, particularly in regions currently dominated by oil palm plantations. This study aims to obtain the dose of chicken manure briquettes and watering interval that produce the best growth of Petai seedlings. This study used a Factorial Completely Randomised Design (F-CRD) with observation parameters of height, diameter, number of leaves, shoot fresh weight, root fresh weight and shoot and root dry weight. The results showed that the interaction of manure briquette dose treatment and watering interval showed significant results on height, diameter, number of leaves, shoot fresh weight, shoot dry weight, and root dry weight but no significant effect found on the root fresh weight of Petai plants. The treatment 1 kg briquettes and watering every three days gave the best results in the parameters of height (15.57 cm), diameter increase (0.34 cm), number of leaves (103 strands), shoot fresh weight (39.96 grams), shoot dry weight (33.24 grams) and root dry weight (21.98 grams). Therefore, it is recommended to apply organic chicken manure briquette fertilizer at a dose of 1kg and watering frequency of once every three days for the preparation of Petai seedlings to planting in Besitang District
PENGARUH PEMBERIAN RENDAMAN GIBERELIN (GA3) PADA PEMATAHAN DORMANSI KEMIRI (Aleurites moluccana) Sri Hartini, Kansih; Sri Rejeki Sitorus, Astri
Jurnal Biogenerasi Vol. 9 No. 2 (2024): Volume 9 Nomor 2 tahun 2024 periode (Juni 2024 - September 2024)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v9i2.3954

Abstract

Aleurites moluccana is a type of plant that can be utilized for pulp and matchsticks, as traditional medicine, cosmetic ingredients, cooking spices, charcoal, wood supply materials for industry, forest and land rehabilitation activities, preventing erosion, improving environmental quality and regulating water management. The problem in generative propagation of Aleurites moluccana is slow germination due to its hard seed coat. The purpose of this study was to identify the effect of gibberellin soaking on the germination of Aleurites moluccana seeds and to obtain information on the effective soaking time of Aleurites moluccana in gibberellin to break seed dormancy. The design used was a non-factorial Completely Randomized Design (CRD) with 5 treatments, namely no soaking (A0), soaking for 24 hours (A1), soaking for 48 hours (A2), soaking for 72 hours (A3), soaking for 96 hours (A4) with 5 replications. The results showed that Aleurites moluccana seeds gave a real effect on the parameters of germination uniformity, germination rate, germination percentage, and plant height. A good and optimal results were found in soaking for 48 hours.