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All Journal BERITA BIOLOGI Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Akta Agrosia
Dotti Suryati
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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EVALUATION OF POD SHATTERING RESISTANCE AND AGRONOMIC PERFORMANCE OF SEVERAL SOYBEAN PROMISING LINES Ayda Krisnawati; M Muchlish Adie; Dotti Suryati
BERITA BIOLOGI Vol 19, No 1 (2020)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v19i1.3707

Abstract

Pod shattering is one of the sources of yield losses during soybean cultivation in Indonesia. This research aimed to identify the resistant genotypes to pod shattering and the performance of its agronomic characters. The field study was conducted in the dry land of South Lampung from May to August 2017 using twelve soybean genotypes. The experiment was arranged in a randomized block design with four replicates. The observation of pod shattering was using oven-dry and sun-drying methods. The result showed that a rise temperature of oven increased the pod shattering. The rates of shattering on oven temperature of 30 °C, 40 °C, 50 °C, and 60 °C were of 0, 8.26%, 46.13%, and 51.06%, respectively. The rate of shattering of oven-dry method at 60 °C ranged from 3.62 – 87.23%. On the sun-drying method, the rate of shattering after 15 days treatment was ranged from 0 – 67.36%. The screening for pod shattering by using the oven-dry method has successfully obtained two resistant varieties to pod shattering (Anjasmoro and G511H/Anj-1-3), whereas by using the sun-drying method there were three resistant genotypes (Anjasmoro, G511H/Anj-1-3, G511H/Anjasmoro-1-4). The evaluation of shattering resistance using oven-dry method resulted in a higher pressure than those of by sun-drying method. The Anjasmoro variety and G511H/Anj-1-3  showed consistent resistance to pod shattering by both methods. The G511H/Anj-1-3produced high yield, have large seed size and early days ofmaturity. Thus, the G511H/Anj-1-3was potentially be developed in Indonesiaand other tropical regions. The availability of a high yield and shattering resistant genotype will be beneficial to increase soybean productivity.  
Soybean Performance on Types of Compose and Dosage of Urea Fertilizer in Coastal Lands of Bengkulu Hesti Pujiwati; Widodo Widodo; Atra Romeida; Dotti Suryati; Muhimmatul Husna; Wahyu Hidayat; Edi Susilo
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 19 No 1 (2021): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v19i1.1794

Abstract

One of the efforts to increase soybean production in Bengkulu is through the use of coastal land. Coastal land improvement is carried out by adding compost fertilizers. In order to meet the nutrient needs for soybean plants in coastal lands, a combination of compost and urea is needed. This study aims to determine the performance of soybean in the application of various types of compost and doses of urea and determine the type of compost and the best dose of urea in coastal lands. The study was conducted in July-August 2020. The study used a 2-factor and 3-replications in Completely Randomized Block Design, the first factor was the type of compost: P1 = Widelia trilobata; P2 = Tithonia diversivolia; P3 = oil palm empty bunches, P4 = water hyacinth. The second factor is the dose of Urea: N0 = 0 kg.ha-1, N1 = 25 kg.ha-1, N2 = 50 kg.ha-1, N3 = 75 kg.ha-1. The soybean used was the variety of Direng 1. The results showed that the type of compost and the dose of urea were not significantly different in the soybean plant performance variables. The application of 4 types of compost as much as 10 tons ha-1 in coastal lands showed poor growth and yield a little. Thitonia compost gives the highest yields of 0.5 ton.ha-1 and 0.48 ton.ha-1 when giving urea 75 kg.ha-1. Soybean yields are still very low, so it is necessary to double the dose of urea in coastal lands. Keywords: Coastal Land, Direng 1, Compost and Urea.
Penampilan Morfologis Galur-Galur Harapan Kedelai Hasil Persilangan Varietas Malabar dan Kipas Putih Amin Nugroho; Dotti Suryati; Mohammad Chozin
Akta Agrosia Vol 18, No 2 (2015)
Publisher : Faculty of Agriculture, The University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5332.155 KB) | DOI: 10.31186/aa.18.2.81-90

Abstract

The increasing demand for soybean is driven by population growth and development of industry. The current import of soybean should be considered as pragmatic solution to fill the gap between supply and demand. In the long term, the domestic production of soybean has to be increased to minimize the dependency on imported soybean. As part of soybean breeding program for yield improvement, this study was undertaken to evaluate the performances of five elite lines (11 AB, 13 ED, 14 DD, 19 BE, and 25 EC) derived from cross of Malabar and Kipas Putih as compared to their parental varieties and Tanggamus (commercial variety). The evaluation was set up in a completely randomized block design with three replications. Significant variations among the genotypes were found on plant height, flowering date, number of fertile node, hundred seed weight, plant biomass, and protein and lipid contents, but not on number of productive branch, maturity date, pod number, yield per plant, and yield per plot. In most cases, the evaluated lines had intermediary performances between their parental varieties, although some lines produced earlier flowering, larger seed, higher protein content, and lower lipid content. 11 AB exhibited a superiority over its parental and Tanggamus in term of plant biomass and protein content.
Co-Authors Amin Nugroho Atra Romeida Ayda Krisnawati Edi Susilo HESTI PUJIwATI M Muchlish Adie Mohammad Chozin Muhimmatul Husna Saiful Akhyar Lubis Wahyu Hidayat