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All Journal Jurnal Agronomi Tanaman Tropika (JUATIKA) SINTA Journal (Science, Technology, and Agricultural)
Mertya Anugrah
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science Physics Veterinary

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Pengaruh Aplikasi Benzyladenine Terhadap Tunas Aglaonema Klon ‘Dud Unyamanee’ Adi Noor Prayogi; Eny Rolenti Togatorop; Adhitya Vishnu Pradana; Qurrotu A'yunin; Mertya Anugrah
SINTA Journal (Science, Technology, and Agricultural) Vol. 6 No. 2 (2025)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/sinta.6.2.393 – 400

Abstract

Aglaonema 'Dud Unyamanee' merupakan tanaman hias populer yang menghadapi kendala perbanyakan konvensional yang lambat dan terbatas. Benzyladenine (BA) diketahui dapat merangsang tunas lateral dengan memecah dominasi apikal. Penelitian ini bertujuan menentukan konsentrasi BA terbaik untuk menginduksi tunas Aglaonema 'Dud Unyamanee' secara ex-vitro. Penelitian menggunakan Rancangan Acak Lengkap faktor tunggal dengan empat konsentrasi BA (0, 100, 200, dan 300 ppm). Larutan BA diaplikasikan dengan penyemprotan pada pangkal batang seminggu sekali selama empat minggu. Pengamatan dilakukan hingga 12 minggu setelah aplikasi , meliputi persentase kemunculan tunas, jumlah tunas, panjang tunas, diameter tunas, dan jumlah daun. Hasil penelitian menunjukkan aplikasi BA berpengaruh sangat nyata. Perlakuan BA 300 ppm (P3) menunjukkan hasil terbaik, mencapai 100% tunas muncul pada minggu ke-4 , dibandingkan kontrol (0 ppm) yang hanya 41,67% pada minggu ke-12. Konsentrasi 300 ppm juga menghasilkan jumlah tunas (6,83) , panjang tunas (12,93 cm) , diameter tunas (8,92 mm) , dan jumlah daun (13,58 helai) tertinggi. Disimpulkan bahwa aplikasi BA 300 ppm paling efektif untuk mempercepat inisiasi dan meningkatkan pertumbuhan tunas Aglaonema 'Dud Unyamanee'. ABSTRACT Aglaonema 'Dud Unyamanee' is a popular ornamental plant facing constraints from slow and limited conventional propagation methods. Benzyladenine (BA) is known to stimulate lateral shoot growth by breaking apical dominance. This study aimed to determine the most effective concentration of BA for inducing lateral shoots in Aglaonema 'Dud Unyamanee' via ex-vitro application. The research used a single-factor Completely Randomized Design (CRD) with four BA concentrations (0, 100, 200, and 300 ppm). The solution was applied by spraying the stem base once a week for four weeks. Observations were made up to 12 weeks after application , measuring shoot emergence percentage, shoot number, shoot length, shoot diameter, and leaf count. The results indicated that BA application had a significant effect. The 300 ppm BA treatment (P3) showed the best results, achieving 100% shoot emergence by week 4 , whereas the control (0 ppm) only reached 41.67% by week 12. The 300 ppm concentration also yielded the highest shoot count (6.83) , shoot length (12.93 cm) , shoot diameter (8.92 mm) , and leaf count (13.58). It is concluded that a 300 ppm BA application is most effective for accelerating initiation and enhancing the growth of Aglaonema 'Dud Unyamanee' lateral shoots.
Improving Seed Quality of Four Genotypes of Sweet Corn (Zea mays saccharata) Based on Harvest Time and Initial Water Content Astryani Rosyad; Arya Widura Ritonga; Erik Mulyana; Punjung Medaraji Suwarno; Mertya Anugrah
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4335

Abstract

Quality seeds are crucial for successful sweet corn production. Various factors influence seed quality, including harvest time and initial water content. Therefore, understanding the interaction between harvest time and initial water content is essential for optimizing the quality of sweet corn seeds. This study aims to determine the optimal harvest time and initial water content for assessing the seed quality of four sweet corn genotypes: T13.1.8, SB13.1.3, T8.3.6, and T8.3.2. The experiment employed a factorial Randomized Complete Block Design (RCBD) with two factors. The first factor, harvest time, consisted of five levels (73, 76, 79, 82, and 85 days after planting [DAP]). In contrast, the second factor was the initial water content for seed testing, categorized as harvest water content and 10-12% moisture content. Each treatment was replicated three times, resulting in a total of 30 experimental units. The findings indicated that the sweet corn genotypes T13.1.8 and SB13.1, which were harvested at 76 to 82 hours after sowing (DAP) and had an initial water content of 10 to 12%, represented the optimal treatment combination. These genotypes exhibited germination rate and vigor index variables ranging from 92.7 - 100% and 70.67 - 96.67%. Sweet corn genotypes T8.3.6 and T8.3.2 can be harvested between 79 - 85 DAP with an initial water content of 10-12% to obtain seeds with a germination rate ranging from 86.00 - 98.67% and a vigor index of 58.00 - 86.67%. The study results can be used as a recommendation for seed producers to apply the harvest time and water content according to the genotype used, to ensure that the seeds produced have high viability and vigor.
Co-Authors Adhitya Vishnu Pradana Adi Noor Prayogi Astryani Rosyad Eny Rolenti Togatorop Erik Mulyana Punjung Medaraji Suwarno Qurrotu A'yunin Ritonga, Arya Widura