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Agrotrop : Journal on Agriculture Science
Published by Universitas Udayana
ISSN : 2088155X     EISSN : 26544008     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal AGROTROP
Arjuna Subject : -
Articles 15 Documents
 1   2 
Search results for , issue "Vol 8 No 2 (2018)" : 15 Documents clear
Editorial Agrotrop Vol. 8, No. 2, November 2018 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.882 KB)

Abstract

Editorial Agrotrop Vol. 8, No. 2, November 2018
Identifikasi dan Karakterisasi Sumber Daya Genetik Buah-buahan di Kabupaten Buleleng I GUSTI AGUNG BAGUS SURADARMA; GEDE WIJANA; I NYOMAN SUTEDJA
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.447 KB) | DOI: 10.24843/AJoAS.2018.v08.i02.p04

Abstract

Identification and Characterization of Fruit Genetic Resources in Buleleng Regency. Fruits have great potential to be developed both to meet the needs of domestic and foreign demand, because the fruits is a source of supply of vitamins, minerals, and fiber needed in the daily menu. Several types of fruit are also required as spa, medicines, and as a means of upakara. One of the prospective development of fruits in Bali is Buleleng. Types of fruit in Buleleng are grape, mango, durian, rambutan and banana. Until now there has been generally identified genetic resources fruits in Buleleng. This study aims to identify, profile and draw up a map of the geographic distribution of genetic resources of fruits in Buleleng. Implementation of the study consists of four activities, namely: secondary data collection, survey of the types of genetic resources and distribution, identification of morphological and agronomic characters of each type of genetic resources and the growing environment and the benefits of fruits. The seeded fruit is determined by Location Quotion (LQ). Based on the observations in the field, Buleleng has a wide range of genetic resources. In a direct observation to the field there are 32 kinds of fruit and 31 sub-types of fruit. Fruits are grouped based on the economic value and their role, including: commercial fruit, rare fruit, fruit for upakara and fruit for medicine. Based on the calculation of LQ method, Buleleng has four featured i.e. avocado, grape, mango and rambutan (LQ>1).
Tim Editorial Agrotrop Vol. 8, No. 2, November 2018 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.669 KB)

Abstract

Tim Editorial Agrotrop Vol. 8, No. 2, November 2018
Kajian Kualitas Beberapa Pupuk Kompos Produksi Simantri di Daerah Bali Sesuai dengan Standar Nasional Indonesia Tahun 2004 (SNI 19-7030-2004) A.A. NYOMAN SUPADMA; I MADE MEGA; I MADE DANA
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.031 KB) | DOI: 10.24843/AJoAS.2018.v08.i02.p02

Abstract

Study of the Quality of Some Compost Fertilizer Simantri Production in Bali in Accordance with Indonesian National Standard-2004 (SNI 19-7030-2004). In Bali currently has circulated various types of compost, but testing of the quality most have not done regularly. Efforts to protect the consumer need to be implemented through the compost quality testing in the laboratory. This is done to prevent counterfeiting and ensure the quality of the compost is already in line with the quality standard SNI-2004. Among compost circulating in Bali, is compost Gapoktan Simantri production. The purpose of this study is to determine some of the physical and chemical properties of some Simantri’s compost circulating in Bali, whether in accordance with the criteria of the quality of compost SNI 19-7030-2004. Compost quality standards SNI-2004 are water content (<50%), pH (6.8 to 7.49), total-N (> 0.4%), C-organic (9.80 to 32%), P2O5 (> 0.10%), K2O (> 0.20%), C / N ratio (10-20), organic matter (27-58%), smells like soil, blackish color, and the temperature not hot. Compost sampling method for testing a composite on Gapoktan Simantri in Bali as many as 20 samples of compost. Parameters include: water content (grafimetri), pH (electrode glas), total-N (method of Kjeldhal), P2O5 and K2O (method of extracting HCL 25%), organic C (method of Walkley and Black), material organic, EC (coductometer), C/N ratio, color, temperature, and smell of the compost. Data obtained from the analysis in laboratory are compared to standard quality of compost according to SNI 19-7030-2004. The results showed that the total-N of compost Simantri is very high (1.13 to 2.11%), P content is very high (0.103 to 0.123%), K content is very high (0.902 to 2.342%), C-organic is very high (14.08 to 25.48%), C/N ratio (10.52 to 18.52), organic matter (24.87 to 43.93%) (all of these parameters in accordance with SNI-2004) ; pH (6.65 to 8.36) (some not suitable SNI-2004), EC (2.31 to 8.46 mmhos/cm2) (some very high), moisture content (36.60 to 56.60%) (some not suitable SNI-2004), blackish color, smells like soil, and temperature not hot (according to the standard SNI-2004).The majority (57.14%) of compost Simantri examined in accordance with the standard quality compost SNI-2004, but (42.86%) is not in accordance (pH and water content of compost).
Pengaruh Kualitas dan Kuantitas Pakan (Daun Bawang) terhadap Kejadian Polimorfisme Warna pada Larva Spodoptera exigua Hubner (Lepidoptera: Noctuidae) LATIZIO BENI DA COSTA CRUZ; I WAYAN SUPARTHA; I WAYAN SUSILA
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.68 KB) | DOI: 10.24843/AJoAS.2018.v08.i02.p03

Abstract

The Effect of Feed (Onion Leaves) on the Event of Color Polymorphism on Larvae Spodoptera exigua HUBNER (Lepidoptera: Noctuidae). Color polymorphism is a form of color difference that appears morphologically and genetically in the same insect species. The existence of these changes in shape has to do with the defense mechanism of the species concerned for disguise, avoiding natural enemies and adjusting to the new environment. The occurrence of color polymorphism is often found in S. exigua larvae that attack the onion crop in the field. The purpose of the study was to determine the effect of the quality and quantity of feed (onion) on the color changes of S. exigua larvae. This research was carried out in the laboratory using adaptation test method and comparative test with randomized block design. The results of the study show that decreasing the quality and quantity of feed (onion) encourages color changes from green to dark. In addition, green to dark color changes are also triggered by the developmental phase of the larvae. The development of larvae from the 3rd instar phase has shown symptoms of color change from green to dark even though the quantity and quality of the food is fulfilled.

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