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All Journal EUGENIA Journal of Agriculture (JoA) AGRI-SOSIOEKONOMI
Meity Rantung
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Social Sciences

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RESPONS NAPHTHALEN ACETIC ACID DAN UNSUR MIKRO MIKOMBI SUPER TERHADAP CHERELLE WILT PADA TANAMAN KAKAO Walingkas, Stanley A.F.; Rantung, Meity
EUGENIA Vol 18, No 2 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.2.2012.3953

Abstract

ABSTRACT This study aims to determine the effect of plant growth regulators and micro elements to cherelle wilt in cacao plants as well as finding the right business in tackling cherelle wilt in cacao plants. The research was carried out in the garden village folk Eris Eris Minahasa district for 8 months from January to August 2009. Spraying micro-nutrient elements is necessary to reduce cherelle wilt because the various treatments for the first observation is not significantly different, but the observations into two to seven observations to indicate a significant difference between treatments (percentage cherelle wilt on treatment without nutrient elements higher than sprayed). While spraying the treatment factor of plant growth regulators (NAA) is not necessary because the first observation and the two had no significant effect on the percentage of cherelle wilt affected only the third observation and further observations to a fourth, fifth, sixth and seventh again no effect. So is the treatment for fruit length and diameter showed that administration of the micro nutrients necessary for sprayed with micro nutrients result 22.10 cm higher than that is not sprayed is 19.43 cm. As for the diameter of the fruit is affected by plant growth regulators. Treatment is better than 200 ppm 100 ppm and 0 ppm (control). Keywords: NAA, cocoa, mikombi     ABSTRAK   Penelitian ini bertujuan mengetahui pengaruh pemberian zat pengatur tumbuh dan unsur mikro terhadap cherelle wilt pada tanaman kakao serta menemukan usaha yang tepat dalam menanggulangi cherelle wilt pada tanaman kakao. Penelitian ini dilaksanakan di kebun rakyat Desa Eris Kecamatan Eris Kabupaten Minahasa selama 8 bulan sejak Januari – Agustus 2009. Penyemprotan unsur hara mikro perlu dilakukan untuk mengurangi cherelle wilt sebab pada berbagai perlakuan untuk pengamatan pertama tidak berbeda nyata namun pada pengamatan ke dua sampai pengamatan ke tujuh menunjukkan adanya perbedaan nyata antar perlakuan (prosentase cherelle wilt pada perlakuan tanpa unsure hara lebih tinggi dari yang disemprot). Sementara faktor penyemprotan dengan perlakuan zat pengatur tumbuh (NAA) tidak perlu dilakukan sebab pengamatan pertama dan ke dua tidak berpengaruh nyata pada persentase cherelle wilt hanya berpengaruh pada pengamatan ke tiga dan selanjutnya pengamatan ke empat, ke lima, ke enam dan ke tujuh kembali tidak berpengaruh. Begitu juga perlakuan untuk panjang dan diameter buah menunjukkan bahwa pemberian unsur hara mikro perlu dilakukan sebab yang disemprot dengan unsur hara mikro hasilnya 22,10 cm lebih tinggi dari yang tidak disemprot yaitu 19,43 cm. Sementara untuk diameter buah dipengaruhi oleh zat pengatur tumbuh. Perlakuan 200 ppm lebih baik dari 100 ppm dan 0 ppm (kontrol). Eugenia Volume 18 No. 2  Agustus 2012 Kata kunci : NAA, kakao, mikombi
Respons Tanaman Sawi Hijau (Brassica juncea L.) Pada Pemberian Pupuk Organik Cair Eceng Gondok (Eichhornia crassipes) Dan Pupuk Anorganik Manopo, Debora Novia; Tumewu, Pemmy; Rantung, Meity
AGRI-SOSIOEKONOMI Vol. 20 No. 1 (2024): Agri-Sosioekonomi
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/agrsosek.v20i1.54435

Abstract

This study aims to determinate the effect of the interaction between water hyacinth (Eichhornia crassipes) liquid organic fertilizer on mustard greens (Brassica juncea) fertilizer that affects the yield of mustard greens and determine the dose of inorganic fertilizer that affects crop yield mustard greens. This research was conducted in the village of Motoling, Kec. Motoling, south Minahasa Regency, North Sulawesi. The design of this study used a factorial randomized block design (RBD) with factor I, namely the dose of water hyacinth liquid organic fertilizer, and factor II, namely the dose of inorganic fertilizer. The variables observed were: plant height, number of leaves, leaf lenght, leaf width and wet weight. The results showed that the interaction between water hyacinth liquid organic fertilizer and inorganic fertilizers had an effect on the fresh weight of mustard green plants and had no effect on plant height, number of leaves, leaf length dan leaf width of mustard green plants.
Effectiveness of Plant Growth Promoting Rhizobacteria (PGPR) Bamboo Roots on the Growth of Coconut Seedlings (Cocos nucifera L.) Salak Genjah Variety Paulus, Jeanne Martje; Runtunuwu, Stella; Rantung, Meity; Matana, Yulius
Journal of Agriculture Vol. 4 No. 03 (2025): Research Articles, November 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v4i03.6589

Abstract

Coconut (Cocos nucifera L.) is a highly valued agricultural commodity in Indonesia. The Salak Dwarf variety is particularly popular among farmers due to its short harvest period and high productivity. To further enhance its potential, the use of Plant Growth-Promoting Rhizobacteria (PGPR) is being explored. PGPR are beneficial microorganisms that act as biofertilizers, improving plant growth through mechanisms such as nitrogen fixation, phosphate solubilization, and the production of growth hormones. This study aimed to evaluate the effectiveness of PGPR derived from bamboo roots on the growth of Salak Dwarf coconut seedlings. The research also sought to determine the optimal PGPR concentration for maximizing seedling growth. The experiment was conducted at the BSIP Tanaman Palma in North Sulawesi from January to May 2024. A Randomised Block Design (RBD) was used, with six treatments and three replications, totaling 18 experimental units. The treatments included a control (P0) with no PGPR and five PGPR concentrations (30, 60, 90, 120, and 150 ml/L). The key growth variables measured were plant height, leaf number, pseudo-stem girth, and leaf width. The results showed that bamboo root PGPR significantly influenced all measured growth parameters. The study concluded that the most effective concentration for promoting the growth of Salak Dwarf coconut seedlings was 60 mL/L. This finding highlights the potential of bamboo root PGPR as a natural, sustainable biostimulant to improve coconut cultivation.
Co-Authors Jeanne Martje Paulus, Jeanne Martje Manopo, Debora Novia Matana, Yulius Pemmy Tumewu Runtunuwu, Stella Stanley A.F. Walingkas