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Journal : Journal of Tropical Horticulture

Effect of manure and NPK fertilizers on growth and production of onion (Allium cepa L.) Maisura Maisura; Mulyadi Nurdin; Muslina Muslina
Journal of Tropical Horticulture Vol 2, No 1 (2019): April 2019
Publisher : Indonesian Society for Horticulture (Perhimpunan Hortikultura Indonesia Komisariat Aceh)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1340.756 KB) | DOI: 10.33089/jthort.v2i1.15

Abstract

Fertilization is one of efforts done by farmers to increase the production and quality of onions.  This research aimed to find out the effect of manure and NPK fertilizers to the growth and production of onions. This research was conducted in Paloh Lada Village, Dewantara Sub-district, North Aceh and Agroecotechnology Laboratory, Faculty of Agriculture, Malikussaleh University from May to July 2018. This research used Randomized Block Design (RBD) Factorial. The first factor was manure (P): 15 tons/ha (P1), 20 tons/ha (P2), 25 tons/ha (P3). The second factor was NPK fertilizers (N): 150 kg/ha (N1), 200 kg/ha (N2) and 250 kg/ha (N3). The results indicated that there was high significant interaction between manure and NPK fertilizers on wet weight and dry weight of onion bulbs and also bulb yield. The application of manure significantly enhanced the wet weight and dry weight of onion bulbs and its production and it also significantly increased the plant height at 14 days after planting. The application of NPK increased the wet weight and production of onion bulbs significantly. Also, the combination application of manure 15 tons/ha and NPK fertilizers 150 kg/ha did improve the wet weight, dry weight and production of onion bulbs.
The Effect of Different Seed Cutting Treatments and Concentrations of BAP for the Successful In Vitro Micrografting of Mangosteen (Garcinia mangostana L.) Agustina, Mira; Maisura, Maisura; Handayani, Rd. Selvy
Journal of Tropical Horticulture Vol 3, No 1 (2020): April 2020
Publisher : Yayasan Pertanian Tropika Indonesia (YPTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1086.32 KB) | DOI: 10.33089/jthort.v3i1.37

Abstract

The efforts of the rooting of regenerants resulting from gamma-ray irradiation require plant tissue culture, which known as micrografting. This technique can help irradiated regenerants to develop a well root system, by combining non-rooting shoots with rooted in vitro cultured shoots of plant rootstock. The purpose of this study was to examine the effect of seed explants cutting and the application of different BAP concentrations for the successful micro-grafting of mangosteen in vitro. This experiment employed Complete Randomized Design (CRD) Factorial with two factors and ten replications. The first factor was the cutting treatments of mangosteen seeds explants for rootstock shoots, consisting of 2 types of seeds: uncut and cut seeds. The second factor was BAP concentrations: BAP 0 mg/l and BAP 2 mg/l. The results showed that the division of the seeds had an influence on the results of micro-grafting mangosteen in vitro. Micrografted mangosteen, which rootstock applied from undivided seeds, possessed faster growth, longer shoots, and produce more leaves compared to rootstock shoots from the divided seeds. BAP concentrations also contributed to the results. The application of BAP 2 mg/ demonstrated better effect on all variables observed. There were no interactions between seed divisions and BAP concentrations in all observed variables.
Co-Authors AHMAD JUNAEDI Ahmad Junaidi Ahmad Junaidi Ahyani, Edi Alfadhil, Alfadhil Aminah Aminah Anggraini, Zirlia Annisa, Kholilah ARSY AYSYAH ANAS, ARSY Asmaul Husna Astia Rizki Ayu Putri Azhari, Devi Syukri Bahrun Bahrun Baidhawi Baidhawi Bungsu, Agung Pangeran Chairunas Chairunas Darmi, Darmi Deri Triansyah DWI CAHYONO Erliana, Leni Ety Mukhlesiyeni Eva Wardah Evi Lestari Fachrurrazi Fachrurrazi Fatna, Nesa Firmansyah, Nanda H. M. Yusuf, Zakaria Hafifah, Hafifah Hafifah, Hafifah Halus Satriawan Handayani, Rd Selvy Handayani, Rd Selvy Hendrival Hendrival Hiroshi Ehara Hiroshi Ehara Hiroshi Ehara Iskandar Lubis Ismadi Ismadi Istiarsyah, Istiarsyah Jali, Jafalizan Md. Jamidi, Jamidi Junaidi Putri, Dwi Adhinda Juniati Juniati Kamarullah Kamarullah Karnilawati Karnilawati Kartika, Yessy Khusrizal Khusrizal Kumita, Kumita Laila Nazirah Liana Rahmayani Lina wati Lisa, Liza Triana M A Chozin M A Chozin M. Nur, Faizah M. Yogi Riyantama Isjoni Makawiyah, Makawiyah Mariati Mariati MARLIANA, LENI Maulana, Nasywa Maulisa, Yusrita Mawardiana Mawardiana Mira Agustina Muhamad Ahmad Chozin Mulyadi Nurdin Muna, Nailul Mursyidah4, Mursyidah Muzakir, Fohan Nasir Usman Nerru Pranuta Murnaka, Nerru Pranuta Nilahayati Normawati, Yeni Irma Nurhabibah Nurhabibah Nurlaili Nurlaili Putra, Muakhir Syah Putri, Dwi Adhinda Junaidi Rahmah, Tuti Ranti Maulya Rd. Selvy Handayani Rd. Selvy Handayani Riandi Marisa Rina Zahara Riza, Akbar Rizki, Astia Rizki, Sari Sa'adah , Nur Salpina . Samsul Bahri Saputri, Dewi Sari , Mena Setia Budi Setia Budi Setiawan, Robiansyah Sri Wahyuni Suaib, Suaib SYAHRIAL SYAHRIAL Uge, Ilan Ulandary, Yury Win Konadi Yulia Santi Zakiah Zakiah Zikrullah , Zikrullah