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Agrotrop : Journal on Agriculture Science

agrotrop
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Published by Universitas Udayana

ISSN : 2088155X EISSN : 26544008 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Journal AGROTROP

Arjuna Subject : -

Articles 14 Documents

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Search results for , issue "Vol 9 No 1 (2019)" : 14 Documents clear

Reviewer Agrotrop Vol. 9, No. 1, Mei 2019 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (21.688 KB)

Reviewer Agrotrop Vol. 9, No. 1, Mei 2019

Potensi Rumput Laut Dalam Menghambat Pertumbuhan Jamur Aspergillus flavus KETUT SRIE MARHAENI JULYASIH; ARIKA PURNAWATI
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Potential of Seaweed in the Inhibition of Fungi Growth Aspergillus flavus. This use of synthetic chemicals as a controller of fungal growth in foodstuffs can have adverse effects on health, so it needs natural control ingredients that do not have an impact on human health. Various types of fungi such as Aspergillus flavus attack a lot of food items after harvest, these fungi can produce aflatoxin which is very toxic to consumers. Aflatoxin cannot be neutralized through cooking so efforts to avoid fungal contamination need to be done. One of the natural fungi controllers is by utilizing natural resources, including seaweed. Development of seaweed as an antifungal is an alternative that needs to be realized. For this reason, it is necessary to examine the potential inhibitory of seaweed A. flavus development. This study examined six types of seaweed like Gracilaria verrucosa, Euchema spinosum, Ulva lactuca, Ulva reticulata, Euchema edule, and Padina sp. The results showed that Padina sp. seaweed has a very strong potential inhibitory compared to other types of seaweed.

Editorial Agrotrop Vol. 9, No. 1, Mei 2019 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.837 KB)

Editorial Agrotrop Vol. 9, No. 1, Mei 2019

Pengaruh Pemangkasan Cabang dan Mikoriza terhadap Produksi dan Mutu Benih Mentimun (Cucumis Sativus L.) ANWI APRILIANA; ENDANG PUDJIHARTATI; HARMASTINI SUKIMAN
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

The Effect of Branch Pruning and Mycorrhiza on Production and Seed Quality of Cucumis sativus L. The purpose of this study was to obtain the best branch pruning, with or without mycorrhiza application, in order to increase the production and quality of cucumber seeds. Pruning the branch at the beginning of cucumber growth is expected to delay fruit formation and support good vegetative growth. This research was carried out in the PT. Primasid Andalan Utama seed production area in Kalibeji Village, Tuntang District, Semarang Regency, Seed Technology Laboratory and Plant Physiology Laboratory, Faculty of Agriculture and Business, Satya Wacana Christian University. This study was conducted by the split-plot randomized complete block design with 2 factors. The main plot consists of 2 levels, namely control/without mycorrhiza (M0) and mycorrhiza application (M1). Pruning the branches as the subplots consist of 4 levels, were pruning to the second, third, fourth and fifth branches of the cucumber plant (P1, P2, P3 and P4). DMRT was used to differentiate the significance of the treatment. The results showed that mycorrhiza application increased the percentage of root infections. The pruning to the fifth branch (P4) is the best; in control without mycorrhiza (M0P4) increased for the number of fruits, the seed weight per plant, and the germination simultaneously; whereas in mycorrhiza application (M1P4) increased the number of fruits and the seed weight per plant. It is also observed that the pruning to the second branch (P1) increased the weight of 1000 grains, the speed of germination and the simultaneous of germination; both with and without mycorrhiza application.

Kesesuaian Kualitas Air Irigasi untuk Padi Sawah di Daerah Irigasi Mambal I GUSTI NGURAH SANTOSA; I PUTU DHARMA
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Suitability of Irrigation Water Quality for Rice in Mambal Irrigation Area. Mambal irrigation area is located in southern region of Bali, close by urban area. It consists of 42 Subak which covered 4.820 ha. However, the total area that still exists today is only 2.978 ha, and it is considered potential in increasing rice production and supplying rice in order to support food self-sufficiency in Bali. The increase of population is considered as the factor of wetland conversion because, the growth of population leads to variety of purposes such as shelter (housing), tourism/hotel, accommodation, business/home industry, livestock, public facilities, etc. Therefore, the activities done on the wetland conversion area automatically changed. That activity on conversion area consequences in both liquid or solid waste, and it is often discharged into rivers or irrigation channels. Consequently, it may cause irrigation water pollution. Poor quality of irrigation water can endangering rice plant growth and reduce the production, which means blocking or inhibiting food self-sufficiency. This study is considered as field and laboratory research. There are some field activities done, namely observation of the pollution sources and types of pollutants, as well as waste disposal mechanisms and technologies used to tackle pollution. In order to determine the quality of irrigation water, the water samples taken in the primary channel (1 water sample), secondary channel (1 water sample), tertiary channel (1 water sample), and field area (3 samples of water). All water samples are analyzed at the Analytical Laboratory of Udayana University. The results of the study are the sources of pollution come from channel natural environments, public facilities, housing and household waste. It was found that there are some types of waste, namely natural garbage, artificial garbage, liquid or solid waste in small amount. The mechanism of waste disposal is done conventionally and there is no application of technology of waste disposal. The outcome of the study is irrigation water quality for rice is still suitable for irrigation.

Kelimpahan Spesies Lalat Buah (Diptera: Tephritidae) dan Parasitoidnya yang Berasosiasi pada Tanaman Belimbing (Averrhoa carambola L.) di Kabupaten Gianyar I NYOMAN WIDNYANA PUTRA; I WAYAN SUSILA; I GUSTI NGURAH BAGUS
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Abundance of Fruit Fly Species (Diptera: Tephritidae) and Its Parasitoid Associated on Star Fruit Plants (Averrhoa carambola L.) in Gianyar regency. This study was conducted to determine the abundance of fruit flies, and itsspecies of parasitoid on starfruit plants in Gianyar regency. Samples of star fruit attacked by fruit fly was taken purposively. The purpose of this study was to know the abundance, composition, and percentage of damage, kinds of parasitoid and parasitization rate. The results showed that was found 2 kinds of fruit flies, that are Bactrocera. carambolae and B. papayae. B. carambolae was dominant in all districts in Gianyar Regency compare themB. papayae. In Sukawati district was 64%, (492 adults), Blahbatuh district was 59.817% (460 adults), Ubud district was 61.528% (491 adults), Payangan district was 55.476% (390 adults), Tampaksiring district was 55.001% (390 adults), respectively. Meanwhile, B. papayae in Sukawati district was 35.348%, (269 adults), Blahbatuh district was 40.182% (309 adults), Ubud district was 38.471% (307 adults), Payangan district was 44.523% (313 adults) and Tampaksiring district was 40.998% (271 adults), respectively. The average of damage percentage was 86.33%. There are 3 kinds of parasitoids associated on fruit flies in starfruit plants in Gianyar regency. The parasitoid are Diachasmimorpha sp, Opius sp. and Fopius arisanus. The average parasitization rate was 11.12%, with the highest parasitization rate in Ubud district was 12.40% and the lowest in Tampaksiring districtwas 9.58%.

Pengujian Rekomendasi Pemupukan Spesifik Lokasi dan Sistem Tanam terhadap Hasil Padi Sawah di Desa Temega, Kecamatan Abang, Karangasem I NYOMAN PUJA; I WAYAN DANA ATMAJA; MADE SRI SUMARNIASIH
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Evaluation of Specific Location Fertilizer Recommendations and Plant System on Rice Yield Temega Village, Abang District, Karangasem. This study aims to determine the response of specific location fertilizer recommendations and planting system on rice yields in Temega Village, Abang District, Karangasem Regency. The method was used Factorial Randomized Block Design (RBD). The treatment tried consisted of two factors. The first factor was fertilization recommendations (R): R1 = location specific recommendation (250 kg Urea/ha, 100 SP36/ha and 50 kg KCl/ha); R2 = Location specific recommendation + Compost (230 kg Urea/ha, 100 SP36/ha, 50 kg KCl/ha + 5 t compost/ha), R3 = Farmer method (300 kg Urea/ha, 125 SP36/ha and 75 kg KCl/ha). The second factor was planting system (TL) : T = Tegel (20 cm x 20 cm) and L = Jajar Legowo 2 : 1. Combination of treatments into 6 treatments and each treatment was replicated 4 times so that there were 24 plots of research. The results showed that location specific fertilizer recommendations resulted in oven dry grain weight m-2 of 0.84 kg compare to that of farmers (0.85 kg). The application of location specific fertilizer recommendations can save as much as 50 kg Urea/ha, 25 kg SP36/ha and 25 kg KCl/ha. Jajar Legowo planting system can produce grain contain m-2 of 1.14 kg or an increase of 78.13% compared to tegel planting system (0.64 kg).

Cover Agrotrop Vol. 9, No. 1, Mei 2019.pdf Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (465.146 KB)

Cover Agrotrop Vol. 9, No. 1, Mei 2019.pdf

Populasi, Biomassa dan Jenis Cacing Tanah pada Lahan Sayuran Organik dan Konvensional di Bedugul ARFITA TRI MAYASARI; ANAK AGUNG ISTRI KESUMADEWI; NI LUH KARTINI
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Population, Biomass, and Types of Earthworm on Organic and Conventional Vegetable Land in Bedugul. Earthworm is an important indicator of soil fertility. The type of earthworm closelly associated with soil management system. This research aims to determine the population, biomass, and earthworms type that had been done on organic and conventional vegetable ecosystem in Bedugul from December 2017 until March 2018. The purposive research sites were located in Baturiti Village and Candikuning Village for organic and conventional vegetable systems, respectively. The research area was clustered following Randomized Block Design into three group sites and devided based on organic and conventional system as the first factor. The second factor was soil depth (0-10, 10-20 and 20-30 cm) that nested on cultivation system. Calculation of collected earthworm was done in situ while their morphological identification was done at The Soil Science and Environment Laboratory, Faculty of Agriculture,Udayana University.The results confirmed that earthworm population and biomass were affected by cultivation system but the values were not significantly difference among soil depths. The population and biomass of earthworm found in organic soils were two times higher than those in conventional land. Earthworms population in organic field ranged from 66.67 to 89.33 m-2 and on conventional land ranged from 16.00-45.33 m-2. The weight of earthworm biomass on organic land ranged from 1.00-1.93 g and on conventional land ranged from 0.03-0.06 g. The type of worm acquired on organic soil was Lumbricus terrestris and on conventional land was Pontoscolex corethrurus. We can summary from this research that cultivation systems highly influence the community of earthworm.

Aplikasi Remote Sensing dan Geographic Information System untuk Pemetaan Komoditas Unggulan di Kabupaten Badung IRNAWATI IRNAWATI; I KETUT SARDIANA; INDAYATI LANYA
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Applications Remote Sensing and Geographic Information System for Mapping of Superior Commodities in Badung District. Superior commodity is one of the conditions in the development of agricultural areas included in (Regulation of the Minister of Agriculture No. 56 of 2016). As for the development of food crops agriculture is based on land suitability classes found in technical guidelines (Ministry of Agriculture, 2017). The two regulations require that each Province develop a master plan for developing agricultural commodities, which is based on superior commodities and land suitability classes. Quantitative and qualitative methods include: (1) identification and interpretation of land use using satellite imagery, (2) field surveys, (3) re-interpretation of satellite images, (4) Location Quotient (LQ) analysis for competitive superior commodities and Shift Share Analysis (SSA) for comparative advantage, (5) Mapping of superior commodities and land suitability of food crops. The use of paddy fields in Badung Regency is 9069.11 ha, moor (898,797 ha), and mixed gardens (3898,615 ha). Competitive superior commodities (LQ) for: (1) paddy rice, located in Abiansemal, Mengwi, North Kuta and Kuta Districts, (2) corn, peanuts, sweet potatoes and cassava in Petang District, (3) soybeans and green beans in Mengwi District. Comparative superior commodities (SSA) of paddy rice are found in the Districts of Petang and Mengwi. While sweet potatoes in Abiansemal District and cassava in Petang District. Potential agroecosystem suitability classes for food crops and secondary crops in the study area are generally classified as very suitable (S1) except in the Petang District which is quite suitable (S2-t, rc1) with a low temperature limiting factor and a rough texture. Increasing the suitability class of paddy and palawija requires fertilizing and adding organic materials to increase production.

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