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Agrosains: Jurnal Penelitian Agronomi

agrosains
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Published by Universitas Sebelas Maret

ISSN : 14115786 EISSN : 26557339 DOI : https://doi.org/10.20961/agsjpa

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Agrosains: Jurnal Penelitian Agronomi publishes articles related to agriculture such as plant physiology, crop production, physiology and seed production, soil science, plant breeding, plant protection, agro-climatology, agroecology, and plant biotechnology.

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman

Articles 163 Documents

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Karakterisasi Genotipe F1 dan F2 Jagung Varietas Srikandi Putih dan Lokal Pulut Pada Jarak Tanam yang Berbeda Edy Edy
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i1.36006

The crossing between Srikandi Putih corn varieties which have high production potential and protein content with local pulut corn which has high amylopectin levels is expected to produce superior offspring. This study aimed to determine the character of F1 and F2 results of crossing of Srikandi Putih variety with local Pulut corn (waxy corn) at different planting distance. This research was conducted in the Experimental Farm of the Bajeng Cereals Crop Research Institute, South Sulawesi Province, from May-August 2018. This method used was Split Plot Design, consisting of Main Plots, namely planting distance (70 cm x 20 cm and 70 cm x 30 cm) and Sub Plots, namely Varieties (Srikandi Putih, Local Pulut, F1 and F2). The results showed that genotype significantly affected plant height, seed production per hectare, amylopectin content and seed protein content, and genotype had very significant effect on number of leaves, ear length, ear diameter, seed weight per plant and seed weight per plot. Planting distance has a very significant effect on seed weight per plot and the best was 70 cm x 20 cm. This is due to the number of populations at 70 cm x 20 cm planting distance more than 70 cm x 30 cm. Genotype interaction and planting distance have a very significant effect on seed weight per plant. Srikandi Putih variety was the best genotype for growth, production and protein content parameters while the best amylopectin content parameter was local Pulut. Srikandi Putih variety was potential for growth and production as well as high protein content, but low amylopectin levels while local Pulut has high potential for amylopectin levels but low growth and production potential. The best combination of growth, production, protein and amylopectin content was in F1 and F2 genotypes.

Pengaruh Nilai EC Berbagai Pupuk Cair Majemuk Terhadap Pertumbuhan Vegetatif Kangkung Darat Pada Soilless Culture Suseno Suseno; Nugraheni Widyawati
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i1.32510

Ground water spinach is one of the vegetable plants that has high economic and nutritional value. Soilless culture becomes an alternative in soilless crop cultivation by using substrate or water media. The purpose of this study was to determine the value of Electrical Conductivity (EC) of compound liquid fertilizer on vegetative growth and to found the best type of compound liquid fertilizer for ground water spinach. The research was conducted in the experimental garden of Faculty of Agriculture and Business, Universitas Kristen Satya Wacana, Salatiga, Central Java, with an altitude 500 meters above sea level. The study was conducted in June - July 2018. The study used an experimental method with a Randomized Block Design (RBD), consisting of 5 treatments with four types of fertilizers and one control (without fertilizer), each treatment was repeated 5 times. The types of fertilizers tested were AB mix (Inorganic), Hortigro A (Inorganic), Multitonic (Organic), and Supermes (Organic). The results showed that fertilization caused an increase in the EC value of hydroponic solutions. AB mix fertilizer (inorganic) with EC 1,58-2,32 mS / cm gives the best results on plant height (30.01 cm), number of leaves (8.1 strands), leaf area (13.16 cm2), diameter stems (5.63 mm), and top fresh weight (388.85 g).

Pengaruh Komposisi Media Tanam terhadap Pertumbuhan Taka Asal Kepulauan Seribu Sebagai Bahan Pangan Alternatif Yenisbar Yenisbar; Luluk P. Ekowahyuni; Umbu Yogi Pratama
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Polynesia arrowroot as alternative food resource are rather difficult to be cultivated because of it’s dormant tubers. The propagation needed techniques for growth media optimization to provide a source of planting material. This study aimed to determine the best black Polynesia arrowroot growth from Kepulauan Seribu from several combinations of planting media. The method used was Block Randomized Design (BRD) with planting media treatment (M) : M1 = large granule sand +soil+choarcoal (1: 1:1 v / v), M2 = large granule sand+soil+organic fertilizer (1 : 1: 1 v / v) and M3 = large granule sand +soil+ organic fertilizer (2: 1: 1 v / v). Data were tested by IBM SPSS software version 23 and further tests using DMRT at a level of 5%. The results showed the number leaves increase and plant height increase The best media treatment for number of leaves was large granule sand + soil, while the highest plant height in large granule sand + soil media + manure.

Toksisitas Ekstrak Biji Mahoni Terhadap Ulat Plutella xylostella pada Daun Kubis Ayu Putri Dwi Ariyanti; Subagiya Subagiya; Ato Sulistyo
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Plutella xylostella is one of cabbage’s main pests. Botanical insecticides as alternative of chemical insecticides need to be expand, one of them is mahogany seed extract. Mahogany seed exctract contains saponin and flavonoid as reported mortal to P. xylostella. This study aimed to know the effective concentration of mahogany seed extract to manage P. xylostella different larva instar and to know LC50 value of mahogany seed extract to P. xylostella. This method used was completely randomized experimental design (CRD). Two factors used were mahogany seed exctract concentrations (0 gL-1, 5 gL-1, 10 gL-1, 20 gL-1, and 40 gL-1) and larva instar (first and third instar). Each treatment repeated four times. The results showed that percentage of larva mortality first instar higher than third instar. Concentration 20 gL-1 of mahogany seed exctract effective to kill first instar larva, and concentration 40 gL-1 effective for third instar. Percentage of pupa mortality highest in concentration 10 gL-1 for first instar and concentration 40 gL-1 for third instar larva. Antifeedant increased as concentration given, while the eating ability that higher in third instar was decreased. LC50 for first instar larva was 2,6 gL-1 and third instar was 13,7 gL-1, meaned that mahogany seed extract more toxic to first instar than third instar larva.

Induksi Kalus Gaharu dengan NAA dan BAP Secara In Vitro Amalina Wahyuni; Benni Satria; Aprizal Zainal
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Agarwood has a high economic value because they have many benefits that cause agarwood to be hunted to meet the increasing market demand and its presence in nature is decreasing due to unwise conventional retrieval systems.The research objectives were to study the effect and determine the best concentration of NAA and BAP in callus induction of agarwood (Aquilaria malaccensis Lamk.). This research was conducted in the Tissue Culture Laboratory, Faculty of Agriculture, Andalas University from October 2018 until January 2019. The leaves of Agarwood were used as explants. The method used was completely randomized design (CRD) with different combinations of NAA and BAP (1.5 + 0.5 ppm, 3.0 + 0.5 ppm, 1.5 + 1.0 ppm, and 3.0 + 1.0 ppm). Data were analyzed using the F test and continued with Duncan’s Multiple Range Test at a level of 5%. The results showed that there was the effects of combination of growth regulator substances NAA and BAP on callus induction of agarwood. The concentration of NAA 3.0 ppm + BAP 0.5 ppm was the best in inducing callus with the percentage of explants life and explants form callus with 100%. The color of callus obtained varies, yellow, brownish yellow and brown. All structures callus gained in this research was compact. Yellow callus and compact structure could be utilized for organogenesis.

Serangan Sitophilus oryzae Pada Beras Dari Beberapa Varietas Padi dan Suhu Penyimpanan Rizma Dwi Mastuti; Subagiya Subagiya; Retno Wijayanti
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Post-harvest with storage are important to maintain the supply of rice. One of the obstacles found in storing rice is the attack of Sitophilus oryzae which is responsible of causing yield loss. The attack of S. oryzae on rice can be caused by storage temperature and protein content on rice. The objective of this research was to determine the attack rate of S.oryzae in several paddy varieties and different storage temperatures. The research was conducted in Laboratory of Pest and Plant Disease Faculty of Agriculture Universitas Sebelas Maret from March-June 2019. The method used was Nested Design with 2 factors and 3 replications. The treatments given were storage temperature (29oC, 39oC, 49oC and 59oC) and paddy varieties (brown rice, black rice, Rojolele and IR64). Observation variable were number of imago, pupae, larvae, percentage of decrease in rice weight, broken rice and rice powder. The results showed that S. oryzae was able to survive at a storage temperature of 29oC. Storage temperatures which increased by more than 29°C causing mortality of S.oryzae up to 100%. The longer storage time will cause an increase in population and S.oryzae attack rate.

Hubungan antara Penyobekan Daun Secara Mekanik terhadap Serangan Penggulung Daun Pisang Isnadian Yandhi Pratiwi; Supriyadi Supriyadi; Sholahuddin Sholahuddin
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Mechanical control as an effort to reduce Erionata thrax attacks needs to develop of them was torning the leaves. The objective of this research was to determine the effect of leaf torning on the intensity of the damage and determine the level of E. thrax attack damage in various cultivars. This research was conducted in Semarang, Central Java from September-December 2018. This research used a field experiment method with four treatments of tearing distance of 0 cm, 20 cm, 30 cm, and 40 cm in four banana cultivars, namely Mas Kirana, Ambon, Kepok, and Raja Bulu. The result showed that leaf damage was related to torning distance, but not to the cultivars. The value of regression between torning distance and leaf damage was very low. The torning distance of 40 cm had the highest leaf damage, number of larvae populations, and number of leaf rolls. The torning distance of 20 cm reduced the leaf damage, the number of larvae populations and the number of rolls. The lowest leaf damage is in Mas Kirana cultivar and the highest leaf damage is in Raja Bulu cultivars. Raja Bulu cultivar had the highest attack intensity.

Uji Resistensi 22 Plama Nutfah Kapas terhadap Hama Utama pada Fase Generatif Riki Rudianto; Dedi Supriyatdi; Mirodi Syofian; Jakty Kesuma
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Kapas (Gossypium sp.) merupakan salah satu andalan sub sektor perkebunan. Serat yang dihasilkan banyak dimanfaatkan sebagai bahan baku dalam industri tekstil di Indonesia. Namun, tanaman kapas banyak yang terserang hama seperti hama Dysdercus cingulatus, Bemissia tabaci, Spodoptera litura dan Antractomorpa crenulata sehingga produksi kapas rendah. Mekanisme resistensi tanaman terhadap serangan hama ada 3 kategori yaitu antixenosis, toleransi, dan antibiosis. Penelitian ini bertujuan untuk menguji resistensi tanaman kapas terhadap serangan hama. Penelitian dilaksanakan di lahan percobaan Politeknik Negeri Lampung dimulai pada bulan Mei sampai November 2018. Penelitian ini menggunakan Rancangan Acak Kelompok non faktorial terdiri dari 22 perlakuan dan 2 kali ulangan dengan masing-masing perlakuan terdiri dari 5 tanaman, sehingga diperoleh 220 tanaman. Data hasil pengamatan diolah melalui analisis varian (Anova) jika nilai rata-rata berbeda maka dilanjutkan dengan uji BNT 5%. Hasil penelitian menunjukan bahwa Plasma nutfah kapas FDH 834 resisten terhadap kerusakan daun tetapi rentan terhadap kerusakan kerusakan batang pada fase generatif dan plasma nutfah kapas SA 2465 resisten terhadap hama penggerek buah.

Penggunaan Boraks Sebagai Bahan Pengawet Substrat Serat Aren untuk Hidroponik Tomat Rena Satya Tungga Dewi; Dwi Harjoko; Retna Bandriyati Arniputri
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Palm fiber from palm flour industries waste often causes problems when used as a planting medium such as easy to decompose. The plants used are tomatoes, because of their low production due to the use of fertilizers and planting media that are not yet right. One of the cultivation techniques that is expected to improve yields and quality of tomatoes is hydroponics. The research aimed to knowing the effect of borax on palm fiber decomposition after it is used for tomato cultivation. The research was carried out at Greenhouse B Faculty of Agriculture, Universitas Sebelas Maret, Surakarta from January-July 2019. The method used was Completely Randomized Factorial Design with 2 factors and 3 replications. The first factor was the soaking time of the palm fiber substrate in the borax solution 10% of concentration, which is 0, 1, 2, 3 and 4 days. The second factor was the variety of tomato varieties, namely Servo and Ken Dedes. The results showed that soaking treatment not significantly affected to almost all observed variables and tomato varieties not significantly affected to the growth and yield.

Studi Potensi Ubi-Ubian Spesifik Lokal dan Upaya Pengembangannya Dalam Mendukung Kemandirian Pangan di Provinsi Bengkulu Asmah Yani; Wayan Rawiniwati
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 1 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

To support food resilience it is felt necessary to do an inventory of any lokal specific plant is cultivated mainly in the form of crop growers of potatoes in order to develop its potential, because if not preserved such commodities are feared will become extinct and the community remains dependent on food rice. The objective of this research was to know the existence and distribution of potential cassava to support community food resilience in Bengkulu Province, know lokal specific cassava cultivation techniques and how much potential land can be developed to support food resilience in Bengkulu Province. This research was conducted at Regency of Rejang Lebong and Regency of Kepahiang, Province of Bengkulu from January-April 2019. The method of this research were observation approach, (interviews using questionnaires, dept interview and Focus Group Discussion (FGD). The selection of sample location research done by purposive sampling with consideration of the potential growth of the plant tubers. The result showed that in Bengkulu turned out for lokal specific crop potential was sweet potatoes. From 10 countries in Bengkulu, sweet potatoes spread across 7 districts namely Seluma, Mukomuko, Kaur, Central Bengkulu, Kepahiang, Lebong and Rejang Lebong. The potential of land that can be developed for the sweet potato cultivation based on the assumption of the existence of land in location of research there were as many as 6,407.0 ha or 0.33% of the land area of Bengkulu province.

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Contact Name
Dr. Ir. Endang Yuniastuti, M. Si.

Contact Email
-

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-

Journal Mail Official
agrosainsjurnal@gmail.com

Editorial Address
Jl. Ir Sutami No.36A, Jebres, Kec. Jebres, Kota Surakarta, Jawa Tengah 57126

Location
Kota surakarta,

Jawa tengah

INDONESIA