Tatiek Kartika Suharsi
Departemen Agronomi dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor (Bogor Agricultural University), Jl. Meranti, Kampus IPB Darmaga, Bogor 16680, Indonesia

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Optimasi Pengeringan Benih Jagung dengan Perlakuan Prapengeringan dan Suhu Udara Pengeringan Rofiq, Muhammad; Suhartanto, Mohamad Rahmad; Suharsi, Tatiek Kartika; Qadir, Abdul
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 3 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.278 KB) | DOI: 10.24831/jai.v41i3.8096

Abstract

ABSTRAKPenelitian ini bertujuan untuk meningkatkan efisiensi pengeringan benih jagung melalui pengembangan rancangan sistempengeringan dan melakukan kombinasi perlakuan prapengeringan dengan suhu udara pengeringan untuk mendapatkan mutubenih yang maksimum. Prapengeringan dapat dilakukan dengan cara menghembuskan udara suhu kamar menggunakanmesin blower dan dilakukan sebelum benih jagung diberikan perlakuan udara panas. Penelitian terdiri atas 3 tahap, yaitu(1) Perancangan sistem pengeringan, (2) Optimasi pengeringan benih jagung, dan (3) Analisis ekonomi. Kegiatan pertamaterdiri atas 2 tahap, yaitu pembuatan dan pengujian mini box dryer. Optimasi pengeringan benih jagung terdiri atas 2 faktorperlakuan, yaitu prapengeringan (0, 12, 24, dan 36 jam), dan suhu udara pengeringan (40, 45, 50, dan 55 °C), menggunakanrancangan kelompok lengkap teracak dengan 3 ulangan. Analisis mutu fisik dan fisiologis dilakukan untuk mendapatkanperlakuan yang mampu menghasilkan benih dengan kualitas baik. Analisis ekonomi dilakukan untuk mengetahui perlakuanyang memiliki B/C Ratio paling tinggi. Hasil percobaan menunjukkan bahwa kombinasi perlakuan prapengeringan 36jam dan suhu udara pengeringan 50 °C merupakan perlakuan optimum pada pengeringan benih jagung, karena mampu menghasilkan benih dengan kualitas baik dan memiliki B/C Ratio paling tinggi.Kata kunci: mini box dryer, optimasi pengeringan benih, prapengeringan, suhu udara pengeringan
Karakterisasi Buah dan Penentuan Saat Masak Fisiologi Benih Beberapa Genotipe Cabai (Capsicum annuum L.) Suharsi, Tatiek Kartika; Syukur, Muhamad; Wijaya, Arief Riza
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 43 No. 3 (2015): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (253.946 KB) | DOI: 10.24831/jai.v43i3.11246

Abstract

ABSTRACTIdentification of fruit and seed characters when they reach physiological maturity is very important to get high qualiy chili seed. The purpose of the research was to study the fruit characters and to determine seed physiologycal maturity of six chili genotipes (Capsicum annuum L.) i.e. Anies 1, Anies 2, Seloka 1, Seloka 2, Seloka 3 and SSP. Characterization was assayed at 32, 35, 38, 41, 44 DAA. Chili seed was taken from two groups of branches, lower branches (2nd-5th branches) and upper branches (6-7th branches). The result revealed that seed physiological maturity was achieved at 38-44 DAA, that was indicated by changes of the fruit color from brown to red (Anies 1) and dark green to red on five others genotipe; maximum seed dry weight, seed viability and vigor. When the seed reached physiological maturity, SSP’s had the longest fruit but fruit diameter and weight, seed number and seed weight per fruit was the lowest. However, SSP seed rendement was the highest. Flowers of lower branches developed faster, their fruits size, seed dry weight, and seed number was significantly higher than the upper branches. Nevertheles the seed viability and vigor was not different between lower and upper branches.Keywords: fruit color, seed dry weight, seed viability, seed vigor
Peningkatan Komponen Hasil dan Mutu Benih Dua Varietas Okra melalui Penjarangan Buah Perwira, Prajna Jaya; Suharsi, Tatiek Kartika; Syukur, Muhamad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (348.557 KB) | DOI: 10.24831/jai.v47i3.27196

Abstract

The fruit thinning treatment is known to be able to improve seed quality. This research aimed to increase the yield component and seed quality on two okra varieties (Naila and Zahira) through fruit thinning. This experiment was conducted in May until September 2018 at the Leuwikopo IPB Field, Postharvest Laboratory, and Seed Testing Laboratory, Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agricultural University. This experiment conducted using the two-factors nested design, which is a fruit thinning factor as subplots consisting of five levels and okra varieties consisting of two levels. The results showed that the fruit thinning factor influenced the parameters of yield components (fruit length and weight per fruit) and 1,000 seeds weight. The variety factor influenced most of the yield component parameters and seed quality in okra plants. The thinning treatment of the first two fruits and elimination of one fruit interval resulted in the highest physical quality of seed based on 1,000 seeds weight (67.99 g). Keywords: 1,000 seed weight, physical quality