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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 15 Documents

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Search results for , issue "Vol 7 No 1 (2017)" : 15 Documents clear

Pengaruh Iradiasi Sinar Gamma pada Generasi Pertama (M1) untuk Mendapatkan Genotipe Unggul Baru Kedelai Toleran Kekeringan WARID WARID; NURUL KHUMAIDA; AGUS PURWITO; MUHAMMAD SYUKUR
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Influence of Gamma Rays Irradiation on First Generation (M1) to Obtain New Promising Drought-Tolerance Soybean Genotype. Breeding to produce drought tolerant varieties is one of main strategies in the soybean production improvement. Some limitations in soybean conventional breeding are that it takes long time and that drought tolerant characters are rarely found. Therefore, the improvement of genetic variability is very important to assist drought tolerant. Mutation through gamma irradiation is one of techniques to improve genetic variability. The aims of this research were to obtain LD50, study the influence of irradiation, and genetic of mutation. To determine the LD50, seeds of soybean cv. Anjasmoro were irradiated with 0-800 Gy (100 interval) gamma rays. LD50 was calculated to be 202.5 Gy base on germination rate. Therefore, in further experiment 200-400 Gy (50 interval) dosage were used to irradiate seeds of soybean cv. Anjasmoro and Burangrang. All irradiation dosages (200-400 Gy) damage protoplast, decrease plant survival, prolong flowering dan harvest time, decrease plant height, number of total and filled pod, number of seeds, and improve the number of empty pod.

Keragaman Jamur yang Mengkontaminasi Beras dan Jagung di Pasar Tradisional Denpasar I GUSTI NGURAH BAGUS; DWI WIDANINGSIH; I MADE SUDARMA
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The diversity of fungi that contaminate rice and corn in the traditional market of Denpasar. Rice and corn are food commodities consumed daily by the public, but the rice and corn has been contaminated by a fungus, during the process of transportation and storage of experience. So it appears the author wishes to examine how big fungus has contaminated rice and corn in the traditional market town of Denpasar. Research conducted at the Laboratory of Plant Pathology, from April to June 2016. Research carried out consisted of: (1) isolating fungi that contaminate the rice and corn, and identify microscopy morphological, and (2) determine the diversity index and dominance index, as well prevaliensi fungal contamination. Identify the genera level, using reference books Samson et al., 1981; Pitt dan Hocking, 1997; Barnett dan Hunter, 1998; dan Indrawati et al., 1999. The results showed that the fungus can contaminate both the rice and corn in the market Kereneng, Agung, Badung and Ketapaian were Aspergillus flavus, Aspergillus niger and Aspergillus spp. The highest prevalence of fungi that contaminate both the rice and maize are the A. flavus, 73.61 % and 92.96 % respectively. Index of diversity in rice and corn amounting to 0.742 0,302. Index of dominance in rice and maize respectively 0.581 and 0.867. Aflatoxins were found to have not reached the threshold tolerated (20 ppb) is in the rice at 0 ppb, while the largest corn at 2,133 ppb in Kereneng market.

Kajian Fisiko-Kimia Buah Jeruk Siam (Citrus nobilis Lour.) pada Perbedaan Tingkat Kematangan Selama Penyimpanan NI PUTU ARYANTI; COKORDA GEDE ALIT SEMARAJAYA; I MADE SUKEWIJAYA; I NYOMAN RAI
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Physico-Chemical Studies of Tangerine (Citrus nobilis Lour.) on the Differences Level of Maturity Fruits during the Storage Period. Tangerine (Citrus nobilis Lour.) is one of the citrus variety developed in Bali because of the high production and preferred by consumers. In Bali, the center of citrus fruit development is in Kerta village, district of Payangan, Gianyar since 2003. The randomized block design with a single factor was used, with 4 treatments of fruit maturity level and 6 replications. The purpose of this study to determine the level of maturity of citrus fruit based on proper skin color of the fruit to be harvested and to determine the effect of maturity based on the skin color of the fruit, the physico-chemical changes of citrus fruit during storage. The harvest stage of the treatment were 217 days after dormancy (Tk1), 231 days after dormancy (Tk2), 245 days after dormancy (Tk3), and 255 days after dormancy (Tk4). The results showed that the highest shrink in diameter was 0,58cm (Tk1) whereas, the highest weight loss subjectly 19,98% (Tk4) and subjectly towards to the highest water content loss, but also subjectly with lowest levels of vitamin C reduction to 11.87% and the highest of total soluble solit (TSS) increase to 3.29 (oBrix). The indicators preferred by the panelist were neutral according to color, flavour, taste and overall appearance. The good storability for citrus at Tk2 with low damage.

Reviewer Agrotrop Vol. 7, No. 1, Mei 2017 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (50.66 KB)

Reviewer Agrotrop Vol. 7, No. 1, Mei 2017

Pengaruh Pemberian Dosis KNO3 terhadap Pertumbuhan, Produksi, dan Serapan Kalium Tanaman Jagung Manis (Zea Mays Saccharata Sturt) DARWIN H. PANGARIBUAN; SARNO SARNO; RISQI KURNIA SUCI
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Effect of KNO3 on the Growth, Production, and Potassium Uptake on Sweet Corn (Zea Mays Saccharata Sturt). This study aimed to determine the effect of KNO3 dosage fertilizer on the growth, production and potassium uptake of sweet corn varieties Talenta. This research was conducted in December 2015 to February 2016. This study used a randomized block design with 6 treatments and 3 replications. The treatments were control, KNO3 fertilizer with a dose of 50 kg ha-1, KNO3 fertilizer with a dose of 100 kg ha-1, KNO3 fertilizer with a dose of 150 kg ha-1, KNO3 fertilizer with a dose of 200 kg ha-1 and KNO3 fertilizer with a dose of kg ha-1, The results showed that KNO3 fertilizer impacted on plant height, leaf number, leaf area index, dry weight, number of rows per ear, seed number per row, total production, and uptake of pottasium. KNO3 fertilizer treatment at a dose of 132 kg ha-1 gave the best result of growth, production and best potassium uptake. The use of KNO3 could be an alternative fertilizer for Potassium fertilization of sweet corn.

Pengaruh Pemberian Beberapa Konsentrasi Bahan Pengawet Chrysal terhadap Kesegaran Bunga Sedap Malam (Polianthes tuberosa) I KOMANG ALIT ERIADI; I MADE SUKEWIJAYA; I NYOMAN SUTEDJA
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Effect of several concentrations of preservatives Chrysal the tuberose flower freshness (Polianthes tuberosa). Nowadays, ordering tuberosa cut flower is increasing, but the main problem which is often happen for tuberose flower is the short vase life of tuberose cut flower freshness. One of appropriate strategies that can be used to improve flower freshness is the use of preservatives. The main function of preservatives is as improving for the vase life of cut flower freshness. Chrysal preservatives are a soaking liquid which contains sucrose, dextrose, and citric acid in order to improve vase life of flower. This research is aimed to identify the influence of Chrysal to improve vase life of tuberose flower freshness. This research is conducted in Post-harvest Technology Laboratory of Agriculture Technology Faculty in Udayana University. This research uses complete random sequences (RAK) based on one factor namely Chrysal concentrative. Each action including five repetitions and a trial includes two stems of tuberose cut flower. The outcome shows that Chrysal concentrative influences the significant for four variables namely, percentages of flower blossom, flower freshness, long flower freshness, and the total of absorbed solution. The actions of concentrative Chrysal influence significant for weight loss. The short vase life of flower freshness are haven on using Chrysal concentrative 0 mg (C0) along four days, and the long vase life of flower freshness are haven on using Chrysal concetrative 1000 mg (C4) for five or four days.

Pengaruh Pemberian Pupuk Dolomit dan Pupuk Kandang Sapi terhadap Sifat Kimia Tanah, Pertumbuhan dan Hasil Tanaman Kacang Hijau (Vigna radiata L.) di Distritu Baucau Timor Leste DECIO ARISTA ESTANISLAU DA COSTA RIBEIRO; NI LUH KARTINI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Effect of Dolomit Fertilizer and Caw Manure on Soil Chamical Properties, Growth and Yield of Green Beans (Vigna radiata L.) in Distirct Baucau East Timor. Dry land use in East Timor Baucau District in particular is one step in improving the potential of land for the development of dry land crops such as green beans. The use of green bean varieties of finches and dolomite fertilizer and cow manure with multiple doses of use to be one of the alternative chemical properties of soil fertility improvement and increase crop yields of green beans. Fields trials have done to research the influence of dose and dose dolomite manure on soil chemical properties and yield of green beans on dry land in the Baucau District which lasts from January 2016 until March 2016. The experiment was arranged in the randomized block design with three replications. Treatment consist of a dose of fertilizer dolomite (0, 160, 320, 480 kgha-1) as the first factor and a dose of cow manure (0, 10, 20, 30 tha-1) as the second factor. The result showed that the interaction of dolomite fertilizer dose and dose cow manure affect the chemical properties of soil and yield of green beans. Increasing doses of fertilizer dolomite 480 kg ha-1 and 320 kg ha-1 affect the improvement of soil chemical properties of C-organic,P-avalaible, K-avalaible and Ca ground. Dose of cow manure 30 t ha-1 and 20 t ha-1 C-organic soil and crops yield in the form of dry weight of drying grain crops. Interaction dolomite fertilizer and cow manure can improve chemical properties (N-total and pH soil) may increase result of green beans (number of pods, fresh weight, dry weight oven plant, dry weight oven dried beans and heavy landscaping oven 100 seeds). Giving dolomite fertilizer with a dose of 480 kg ha-1 and cow manure 30 kg ha-1 can apllied to land in the study site and presence of advanced research different dosed to get best dosage with different plant species.

Daftar Isi Agrotrop Vol. 7, No. 1, Mei 2017 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (96.335 KB)

Daftar Isi Agrotrop Vol. 7, No. 1, Mei 2017

Pengaruh Dosis dan Waktu Aplikasi Pupuk Hijau Lamtoro (Leucaena leucocephala (Lam.) de Wit) terhadap Sifat Kimia Tanah dan Hasil Tanaman Jagung (Zea mays L.) di Suco Mauboke, Distrik Liquiça Timor Leste IDA PEREIRA DOS SANTOS; NI LUH KARTINI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Effect of Dose and Time of Application of Green Manure of Lamtoro (Leucaena leucocephala (Lam.) de Wit) on The Chemical Properties of Soil and Plant Yield of Corn (Zea mays L.) in Village Mauboke, District Of Liquiça East Timor. Corn (Zea mays L.) as food, is a source of carbohydrate both after the rice, besides corn was also used the livestock feed ingredients and raw materials industry. Low crop yields at dryland farming areas is generally associated with poor soil physical and chemical properties. The application of green lamtoro, at appropriate rate and time is expected to be able to improve the soil fertility and in the end to increase crop yields. A Field experiments was conducted atvillage Mauboke, district Liquiça of Timor Leste, to know the effects of rates and time of application green lamtoro on the soil chemical properties and the yield of corn. The experiment was done from February until July 2016. A randomized completed block designwith two factors of treatment arranged factorially, was used in this experiment. The treatment consisted of greenfertilizer lamtoro 5, 10 and 15 tha-1and times of application 1, 2, 3 and 4 weeks before planting. All treatment were replicated three times. Results of experimentindicated that the interaction between rates and time of application of green fertilizer lamtoro real effects of soil N-total, number of plant and extensive index leaf, fresh brangkasanweight plants, brangkasan oven dry weight plants. The heighest oven dry seed weight was also resulted from the same rate 15 tha-1the highest 14,46% wish was not significantly. The time of green fertilizer lamtoro of 4 MST the best improved fertility of soil chemical on the rate of 15 tha-1 with the increase of C-organic of 37,90% lowest 20,93%, P-available 76,27% lowest 26.58%, K-available 100,79% lowest 21,35%. The best rate ofgreenfertilizerlamtoro 15 tha-1highest 3.7 tha-1shelled dry. The soil with similar soil condition with that ofthe experimentrecommended that the utilizing of rate green fertilizer lamtoro 15 tha-1with time application of 4 MST the increased production of corn crops.

Jumlah Spora dan Genus Endomikhoriza pada Tanah Monokultur dan Tumpangsari Jeruk Siam (Citrus nobilis Tan.) dengan Tanaman Sayuran di Desa Sekaan Kecamatan Kintamani CHARLES ALEXANDER YAWAN; ANAK AGUNG ISTRI KESUMADEWI; I WAYAN DANA ATMAJA
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Spores and Genus Number of Endomikoriza on soil of Citrus Orchard Soil in Monoculture (Citrus nobilis Tan.) and Intercrops with Vegetables in Sekaan Districts Kintamani. Endomycorrhiza is a wide spread fungi that develop symbiotic association with numerous plant types except for Brassicaceae and Chenopodiaceae. Endomycorrhizal fungi colonized plants through spore or hypha propagation. The spore number of endomycorrhiza was studied in the soil of orange orchard in the Bali’s center of orange fruit production located in Sekaan Village, Bangli District during November 2015 – January 2016. The orange plants were cultivated in monoculture and intercropped with the following vegetable crops : cucumbers (Cucumis sativus L), tomatoes (Solanum lycopersicum), mustard greens (Brassica rapa subsp. Pekinenshis), and cabbage (Brassica oleracea var. capitata). Three replications of soil samples were taken purposively and separately proceed for laboratory analysis. The following parameters were measured: total spore number and genus types of endomycorrhiza, the content of soil available-P, soil pH, and soil organic-C. The experiment result showed that monoculture system had significant higher number of VAM spores (347 spores) compared to intercropping (178 – 224 spores). Most of VAM spore had small size ranging on 45 – 105 ?m (60,80%) followed by 106 – 249 ?m (33,82%) and the least were ? 250 ?m spores. There were two MVA genus present in the soil of both cropping patterns which grouped to Acaulospora (3 morphotypes) and Glomus (11 morphotypes). The highest number of VAM spores belongs to Glomus.The soil properties that closely related to VAM spore number was soil pH (=0.66**).

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