Elik Murni Ningtias Ningsih
Universitas Widyagama Malang

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PENGARUH MACAM ZAT PENGATUR TUMBUH PADA PEMBIBITAN TANAMAN NILAM (Pogostemon cablin Benth) Elik Murni Ningtias Ningsih; Yuni Agung Nugroho
Agrika Vol 17, No 1 (2023)
Publisher : Badan Penerbitan Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/ja.v17i1.4630

Abstract

Tanaman nilam (Pogostemon cablin Benth) merupakan salah satu penghasil minyak atsiri yang berprospek cerah secara ekonomi. Indonesia merupakan salah satu produsen nilam terbesar di dunia. Untuk menjaga produksi nilam Indonesia dibutuhkan bibit stek nilam yang berkualitas dan bertunas lebat yang jumlah banyak. Untuk itu perlu kajian macam pengaruh zat pengatur tumbuh (ZPT) alami yang diaplikasikan pada bibit stek tanaman nilam. Macam ZPT memiliki kandungan dalam kadar yang berbeda-beda.  Penelitian ini menggunakan Rancangan Acak Lengkap (RAL). Perlakuan berupa faktor tunggal terdiri dari 5 taraf. Masing-masing perlakuan diulang 4 kali. Macam perlakuan yaitu  Z0 = tanpa ZPT; Z1 = IAA 100 ppm, Z2 = Giberellin 100 ppm, Z3 = air kelapa konsentrasi 50%, Z4 = air kelapa konsentrasi 100%. Hasil penelitian menunjukkan bahwa perendaman stek nilam dalam berbagai ZPT mempengaruhi tinggi tanaman, jumlah daun dan jumlah cabang tanaman nilam. Perlakuan perendaman stek dengan giberellin 100 ppm,  air kelapa 50% dan air kelapa 100%  memberikan pengaruh yang sama pada berat basah dan berat kering tanaman nilam pada umur 60 HST. Patchouli plant (Pogostemon cablin Benth) is one of the essential oil producers with bright prospects economically. Indonesia is one of the largest patchouli producers in the world. In order to maintain Indonesia's patchouli production, a large number of high-quality cuttings of patchouli  are needed. For this reason, it is necessary to study the various effects of natural growth regulators (ZPT) applied to patchouli plant cuttings. Kinds of ZPT contain ingredient in different levels. This study used a completely randomized design (CRD). Treatment in the form of a single factor consists of 5 levels. Each treatment was repeated 4 times. Kinds of treatment, namely Z0 = without ZPT; Z1 = 100 ppm IAA, Z2 = 100 ppm Giberellin, Z3 = 50% concentration coconut water, Z4 = 100% concentration coconut water. The results showed that immersing patchouli cuttings in various PGRs affected plant height, number of leaves and number of branches of patchouli plants. The treatment of soaking cuttings with gibberellin 100 ppm, coconut water  50% and coconut water on of 100%  had the same effect on the fresh weight and dry weight of patchouli plants at the age of 60 HST.
Agricultural Adaptation Strategies to Weather Fluctuations for Improved Agribusiness Sustainability in West Java Agung Zulfikri; Elik Murni Ningtias Ningsih; Iwan Harsono; Himawan Susanto
West Science Nature and Technology Vol. 2 No. 01 (2024): West Science Nature and Technology
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsnt.v2i04.743

Abstract

This research investigates agricultural adaptation strategies to weather fluctuations for enhancing agribusiness sustainability in West Java, Indonesia. Employing a qualitative research methodology, the study delves into the challenges posed by climate variability and the responses of farmers and agribusiness stakeholders to mitigate these challenges. Through interviews, focus group discussions, and participant observation, the research identifies key weather-related challenges, including erratic rainfall patterns, temperature extremes, natural disasters, and pest outbreaks. Furthermore, the study explores adaptation strategies such as crop diversification, water management, soil conservation, adoption of climate-resilient crop varieties, and agroforestry. The findings contribute to understanding the complexities of agricultural adaptation and offer insights for policymakers, practitioners, and stakeholders to promote sustainable agribusiness development in West Java and similar regions facing climate-related challenges.