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All Journal Buletin Agrohorti Jurnal Fitopatologi Indonesia Naturalis : Jurnal Penelitian Pengelolaan Sumberdaya Alam dan Lingkungan JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA TERRA : Journal of Land Restoration AGRITROPICA : Journal of Agricultural Sciences Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Akta Agrosia Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Jurnal AGRISEP: Kajian Masalah Sosial Ekonomi Pertanian dan Agribisnis
Dwi Wahyuni Ganefianti, Dwi Wahyuni
University of Bengkulu
Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Education Medicine & Pharmacology Social Sciences Other

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Journal : Akta Agrosia

 1 
Pertumbuhan dan Hasil Jagung Hibrida pada Ultisol Putra, Irawan Haji; Suprapto, Suprapto; Ganefianti, Dwi Wahyuni
Akta Agrosia Vol 18 No 2 (2015)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Hybrid corn cultivated on Ultisol performs high production when organic matter and liming are incorporated into the soil under high application of fertilizer. This agricultural practice resulted in high cost production. A series of researches with the goal to produce high yielding of hybrid corn under low input of fertilizer is going to be a benefit. Field experiment was conducted from April until July 2010 in Manna, South Bengkulu. Single factor consisted of 7 genotipes of corn was set using Randomized Complete Block Design. The seven genotypes were marked as H1, H2, H3, H4, H5, H6 (Prima), and H7 (DK); the last two of which were commercial varieties commonly grown by farmers. The genotypes that showed good adaptation on Ultisol were H1, H2, and H3. These genotypes yielded 5.11 tons ha-1 for H1, 5.56 tons ha-1 for H2, and 5.64 tons ha-1 which were higher than commercial varieties (4.46 tons ha-1 for Prima and 4.62 tons ha-1 for DK). Plant height for H1, H2, and H3 were 1.78 m, 1.80 m, and 1.88 m respectively, while plat height of Prima and DK were 1.45 m and 1.51 m. 
Variabilitas Genetik dan Heritabilitas Pertumbuhan dan Hasil 26 Genotipe Tomat Nilawati, Nilawati; Ganefianti, Dwi Wahyuni; Suryati, D.
Akta Agrosia Vol 20 No 1 (2017)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Genetic variability is a measure of the variation in plant performance caused by genetic factors. if the variability of plant character is attributable to genetic roles then the variability will be inherited in the next generation. Heritability is a genetic parameter used to measure the ability of a genotype in plant population to transmit its character. Heritability in a broad sense is defined as the ratio between genotype variance and phenotype variance. This study aimed to estimate the values of genetic variability and heritability of growth and yield of 26 plant genotypes tomato. The experiment was conducted from August to December 2016 in Wirehouse, Faculty of Agriculture, University of Bengkulu. The design used in this study was Randomized Complete Block Design (RCBD) with one factor which were 26 tomato genotypes and were repeated three times. Each plant was observed according to the variability and heritability guidelines for the observation variables. The results showed that the growth component of tomato plants that have wide genetic variability and high heritability of the broad sense was found in the characters of plant height, whereas the yield component were found on fruit diameter , crack fruit, and nonmarketable fruit. Selection of tomato plants should be directed to the characters of plant height, fruit diameter, the number of crack fruit, and non-marketable fruit. Akta
Ragam Genetik dan Heritabilitas Peubah Kualitatif dan Peubah Kuantitatif Dua Puluh Genotipe Cabai (Capsicum annuum L.) Lasmiana, Lasmiana; Ganefianti, Dwi Wahyuni; Alnopri, Alnopri
Akta Agrosia Vol 19 No 1 (2016)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Chili development in Indonesia faces several constraints, mainly low yields and disease incidents.  The improvement of chili traits through breeding programs requires information of genetic diversity, heritability,  genetic advance and gene role. A study was conducted to assess the values of variability and heritability of qualitative and quantitative traits of 20 genotypes of chilli plants. The study was conducted in May-September 2015 on Experimental Field of Faculty of Agriculture, the University of Bengkulu. The 20 chili genotypes were arranged factorially in a Randomized Complete Block Design, with three replications. The results showed that the qualitative characters that have broad sense of variability and heritability were plant height, days to flower, time to harvest, fruit length, fruit diameter, fruit weight, and weight of fruit per plant, indicating that a selection can be done on those variables. Variability on qualitative characters was found on the position of the flower stalk (3 kinds), corolla color (4 kinds), color of corolla holder (3 kinds), corolla shapes (2 kinds), anther colors (4 kinds), pistil colors (3 kinds), colors of young fruit and ripe fruit (3 kinds), and fruit position (3 kinds).
Growth and Yield of Lettuce (Lactuca sativa L.) by Giving Cow Manure and Empty Palm Oil Bunch Fertilizer on Peat Soil Manullang, Yedija; Herawati, Reny; Handajaningsih, Merakati; Ganefianti, Dwi Wahyuni; Haquarsum, Eka J.V.; Sutrawati, Mimi
Akta Agrosia Vol 23 No 2 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Lettuce (Lactuca sativa L.) is a horticultural plant that is beneficial for health. Efforts are being made to expand the plant area. One of them is by utilizing marginal land such as peatlands.  Peatlands in Indonesia are the most extensive soils in various tropical countries in the world that have low soil fertility and high acidity so that they are not optimal for lettuce growth. The provision of organic material can increase soil fertility by improving physical, chemical, and biological soil properties so that it can support lettuce growth. This study aims to determine the dose of cow manure and the dosage of oil palm empty fruit bunch fertilizer and the optimal dose interaction for growth and yield of lettuce. This research was conducted from June 2019 to August 2019 in Bengkulu City. This study uses a Completely Randomized Design consisting of two factors, which are repeated three times. The first factor is the dose of cow manure with three levels, namely: 0 tons ha-1, 15 tons ha-1, and 30 tons ha-1. The second factor is the dose of oil palm empty fruit bunch fertilizer, which consists of four levels, namely 0 tons ha-1, 5 tons ha-1, 10 tons ha-1, and 15 tons ha-1. The results showed that the dosage of cow manure 15 tons ha-1 and without the application of empty fruit bunches fertilizer gave the best results in leaf length of 18.674 cm. The best dose of cow manure for growth and yield of lettuce is 15 ha-1. The application of OPEFB fertilizer has not been shown to affect the growth and yield of lettuce.
Co-Authors Afrisa, Hendrio Agus Martono AGUS SUSATYA Agustin Zarkani Alnopri Alnopri, Alnopri Angraini, Dila Apri Andani, Apri Atra Romeida Bambang Gonggo Murcitro Barchia, M. Faiz Bieng Brata Endang Sulistyowati Gusmara, Herry Haquarsum, Eka J.V. Helfi Eka Saputra Herison, Catur Lasmiana, Lasmiana Maemonah, Maemonah Maemunah Maemunah Manullang, Yedija Marpaung, Nia Kurniati Br. Marulak Simarmata Maryono, Andi Tri Merakati Handajaningsih Mimi Sutrawati Mohammad Chozin, Mohammad Mukhtasar, Mukhtasar Nilawati Nilawati Novanda, Ridha Rizki Nurjanah, Uswatun Nyayu Neti Arianti, Nyayu Neti Parwito Parwito, Parwito Priyatiningsih Purnami, Aruma Putra, Irawan Haji Reny Herawati Rustikawati Rustikawati Rustikawati Saputra, Pringky Okta Sigit Sudjatmiko, Sigit Sipriyadi Sukisno Sukisno, Sukisno Suprapto Suprapto Suryati, D. Tunjung Pamekas, Tunjung Umi Salamah Yenny Sariasih Yudhy Harini Bertham, Yudhy Harini