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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Jurnal Keteknikan Pertanian Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Terapan Abdimas Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Citizenship Virtues Al-Muhith : Jurnal Ilmu Qur'an dan Hadits PESARE: Science and Engineering Service Journal Jurnal Terapan Pendidikan Dasar dan Menengah
Eni Sumarni
Universitas Jenderal Soedirman
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Journal : Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

 1 
Pendinginan Zona Perakaran (Root Zone Cooling) pada Produksi Benih Kentang menggunakan Sistem Aeroponik Sumarni, Eni; Suhardiyanto, Herry; Seminar, Kudang Boro; Saptomo, Satyanto Krido
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 2 (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 (372.779 KB) | DOI: 10.24831/jai.v41i2.7522

Abstract

High temperature is the major constraint to potato cultivation in the lowland for it causes stress and inhibit initiation of potato tuber. This study was designed to investigate the effects of root zone cooling upon seed potato production using aeroponics system in lowland wet tropical climates. Cultivation techniques used in this study was the aeroponics system with three cooling temperatures (10, 15, and 20 oC) and control (greenhouse room temperature). Plantlet of potato ‘Granola’ variety derived from tissue culture propagation were used. The results showed that the highest number of tuber and tuber weight that can be harvested up to 90 days after planting were obtained from cooling the root zone temperature at 10 °C with the average number of tuber 14.85 tubers plant-1and average weight of tubers 409.15 mg tuber-1. Plants grown at root zone cooling at 15 and 20 °C treatments produced lower number of tubers and lower tuber weight than at 10 oC, while plants grown at greenhouse temperature did not produce tubers.Keywords: cultivation techniques, Granola, high temperature, lowland tropical, potato tuber
Produksi Benih Kentang Sistem Aeroponik dan Root Zone Cooling dengan Pembedaan Tekanan Pompa di Dataran Rendah Sumarni, Eni; Sudarmaji, Arief; Suhardiyanto, Herry; Saptomo, dan Satyanto Krido
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 44 No. 3 (2016): 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 (516.529 KB) | DOI: 10.24831/jai.v44i3.12855

Abstract

ABSTRACTNutrition  pumps  pressure is important in aeroponic. Optimal  pump  pressure produces well oxygenation, so that increases the dissolved oxygen content in the nutrition. It is good for plant roots. The purpose of this study was to determine pump pressure on the growth and yield  potato seeds grown in aeroponics in lowland 125 m asl with root zone cooling. This study used a randomized block design non factorial. Data were analyzed using analysis of variance followed by a further test of orthogonal contrasts at the level of α = 5%. Results showed that different pump pressure on the provision of nutrient, temperature cooling in the root zone gave different results on the number of potato tubers per plant and weight per tuber in each variety. Root zone cooling temperature 15 °C, the pump pressure> 1.5 atm produce highest number of tubers per plant, i.e. 11.8 tuber of Granola variety and 8.2 tuber of Atlantic variety.  The was no tuber produced from control (without referigeration). The highest weights per tuber (10.35 and 5.01 g for Atlantic and Granola variety, respectively) were reached with cooling temperature at 15 °C and the pump pressure > 1.5 atm.Keywords: evaporative cooling, hydroponics, potato, tuber, variety     
Co-Authors Agus Margiwiyatno Ahmad Fauzan Aji, Bastian Seno Aldi, Muhammad Afrizal Amatullah, Raihani Salma Ardiansyah ARDIANSYAH ARDIANSYAH Arief Sudarmaji, Arief Asna Mustofa Aswandi . Dian Novitasari Fm, D. Zahra As. Hanif Nasiatul Baroroh Hanifah, Ahmad Abu Hardanto . Herry Suhardiyanto Krissandi Wijaya Kudang Boro Seminar Kuncoro, Purwoko Hari Leana, Ni Wayan Anik Loekas Soesanto M.Syukri . Maghfiroh Maghfiroh Noor Farid Nurrohmah, Mila Okti Herliana, Okti Pratama, Rama Adi Priswanto Priswanto, Priswanto Purnomo, Widhiatmoko Herry Ritonga, Abdul Mukhlis Ropiudin . Rosi Widarawati Satyanto Krido Saptomo Siswantoro Siswantoro Susanto Budi Sulistyo Utami, Purwani Puji Wahyudi Wahyudi Yeny Pusvyta, Yeny Zulkifli, Lutfi