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Respon Pemupukan terhadap Hasil dan Kualitas Buah Jambu Biji Kristal (Psidium guajava L. cv. Kristal) I WAYAN SUAMBA; I NYOMAN RAI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Response of Fertilization on Yield and Quality of Guava (Psidium guajava L. cv. “Kristal”). Grower of “Kristal” guava (Psidium guajava L. cv Kristal) in Bali have not adopted good agriculture pratices (GAP) yet. Hence, it’s yield and quality has been low. The purpose of this study was to evaluate yield and quality of “Kristal” guava in response to fertilization. The experiments was arranged in Randomized Block Design (RBD) with eighteen replications. The treatments were P0 (organic fertilizer 5 kg), P1 (organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g) and P2 (organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g /plant, Zn and Cu (0,4%)). The result indicated that the maximum fruit weight per plant (15,22 kg) and fruit number per plant (55,56 fruit) were found on fertilizer with organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g , Zn and Cu (0,4%) (P2). The maximum fruit diameter (8,27 cm) and fruit weight per fruit (273,55 g) were also found on fertilizer with organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g , Zn and Cu (0,4%).

Perbaikan Kualitas Buah Anggur Bali (Vitis Vinifera L. Var. Alphonso Lavallee) melalui Aplikasi GA3 sebelum Bunga Mekar I NYOMAN GEDE ASTAWA; NI NYOMAN ARI MAYADEWI; I MADE SUKEWIJAYA; NI LUH MADE PRADNYAWATHI; RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 5 No 1 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Improvement of The Quality of Balinese Table grape (Vitis Vinifera L. Var. Alphonso Lavallee) using GA3 Application Before Flowering. Research concerning of “Improvement of Balinese Tablegrape (Vitis Vinifera L. Var. Alphonso Lavallee) using GA3 before flowering” had been done during May to August 2015 at the vineyard located at Kalianget Village, in Buleleng Regency, Bali. Theobjective of the research was to find out method in improving the quality of Balinese table grape using GA3 application. The experiment was designed as Randomized Block Designed, with GA3concentration as a treatment, i.e. 0, 50, 100, 150, 200 ppm. The results showed that, application of GA3 before flowering increased bunch length, improved oBrix, induced seedless, however decreasedberry weight.

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.

Sifat–sifat Unggul Morfologis, Fisiologis dan Fenologis Padi Toleran Lingkungan Kering (Review) GEDE MENAKA ADNYANA
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Superior traits of Morphology, Physiology and Phenology of Paddy that Tolerant to Dry-Environment. Ideotype Model of paddy that tolerant to dry environment is a priority for plant breeders to produce varieties that are adapted to dry environments such as rain-fed land. Improvement of crop productivity can be achieved through two approaches, namely environmental improvement and variety improvement. Regarding of variety improvement can also be performed with two approaches i.e conventional and genetic engineering. Through genetic engineering technology, drought resistant cultivars, can be achieved in a relatively short time, and obtained a more varied plant traits. By understanding the mechanisms of plant tolerant to a dry environment, it can be formulated model of superior paddy plants which are adapted to the dry environment. The properties of such tolerance is morphological (root length, root volume, root weight, leaf roll, the wax coating), physiological (decrease transpiration, stomatal closure, accumulation of ABA and proline), and phenological (the elasticity of plant development and the yield stability). The final target is the paddy plant with high yield and stable. This means relatively low yield reduction in dry environmental conditions, compared to the optimal environment.

Keragaan Fenotipik Kedelai pada Dua Kondisi Intensitas Cahaya Ekstrim WAGE RATNA ROHAENI; TRIKOESOEMANINGTYAS; DESTA WIRNAS
Agrotrop : Journal on Agriculture Science Vol 4 No 1 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Phenotypic of Soybean at Two Extreme Condition of Light Intensity.Cultivation of soybean inrow rubber area was one of extensification programme for improving national soybean production. Theproblem on row rubber area was the low light intensity that could disturb soybean growth. Plant breedingfor creating tolerant variety for low light intensity was doing until now. Bogor Agricultural University hadmany lines for being candidate of tolerant variety. F6 soybean population from single seed descentmethode need to explored for that trait on low light intensity condition. The aim of this research was toknow the differences of soybean phenotypic between on low light intensity and full light intensity condition.The research was done on March – May 2009. Randomized complete block design with 3 replicationwas using as experimental design which lines as the treatment on two condition (low light and full lightcondition). The result saw that low light intensity was changing type of soybean growth, determinatebecame indeterminate type of growth. Low light intensity made soybean became early on floweringfase and water content on seed was increase. Low light intensity made decreasing the productivity until37.25% than full light intensity condition.

Pengkayaan Besi (Fe) dan Seng (Zn) dalam Beras dan Karakter Penentu Varietas Padi Sawah Efisien pada Tanah Vertisol dan Inseptisol YUSTISIA YUSTISIA; TOHARI TOHARI; DJA’FAR SHIDDIEQ; SUBOWO G
Agrotrop : Journal on Agriculture Science Vol 2 No 1 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Increasing concentration of Fe and Zn micronutrients in rice grain is needed to reduce a wide gap between micronutrients concentration in rice grain and daily recommended consumption, and to antisipate of rice consumption decreased consequence. The Fe and Zn micronutrients in rice grain is influenced by genetic, soil type and management fertilizer factors. The major of rice field and intensively lowland rice production in Indonesia is conducted in Inceptisols and the others is conducted in Vertisols. This research conducted to identify rice genotypes based on their Fe and Zn concentrations in whole brown rice and to identify specific characters of efficient genotypes based on their potentially increasing concentrations of Fe and Zn in whole brown rice. The experiment was conducted in the Greenhouse of Agriculture Faculty, Gadjah Mada University during Dry Season 2008. The experiment was arranged using Randomized Complete Block Design with three replications. Two different soils (Vertisols and Inceptisols) as a first factor, and genotypes (Cimelati, Pandan Wangi, Ciherang, Cisokan, Widas dan IR 64) as a second factor. Fertilizer application in Inceptisols was applied at the rate of 222, 26 kg ha-1 N, 56,80 kg ha-1 P2O5 and 47,67 kg ha-1 K2O. In Vertisols, fertilizer was applied at the rate of 136,38; 52,29 and 43,88 kg ha-1 N, P2O5 and K2O respectively. The result revealed that the concentrations of Fe and Zn in whole brown rice of Widas and Ciherang genotypes in Inceptisols was higher than that it is in Vertisols. The Fe and Zn concentrations in whole brown rice of Widas were 19,8 ppm and 24,43 ppm and Ciherang were 11,40 ppm and 24,55 ppm respectively. The Widas and Ciherang are the efficient genotypes and Cimelati is the inefficient genotype. The efficient genotypes had darker leaves, narrower leaves, lower yield decrease, higher grain yield efficiency index, compared to the inefficient genotypes. The maximal yield decreased for selecting efficient rice genotypes with NPK fertilizer at the 222, 26 kg ha-1 N, 56,80 kg ha-1 P2O5 and 47,67 kg ha-1 K2O compared to the without NPK fertilizer obtained of arround 41,49%.

Induksi Organogenesis pada Mikropropagasi Anggrek Vanda tricolor Lindl. serta Deteksi Variasi Genetik Hasil Perbanyakan dengan RAPD RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 6 No 2 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Induction of Organogenesis on Micropropagation of Vanda tricolor Orchidand Detection of Genetic Variation of the Progenies Using RAPD Marker.Research concerning on micropropagation of Vanda tricolor orchid and detection of geneticvariation among the progenies has been conducted in the year of 2015. The objective of theresearch was to obtain the most appropriate explant type for inducing organogenesis and toobserve genetic variation of the progenies using Random Amplification of Polymorphic DNA(RAPD). Various pieces of organ from 18 month old-seedlings were used as material ofmicropropagation, i.e. shoot tip, shoot base, leaf tip and leaf base. Explants were planted onMS medium without plant growth regulator. The percentage of explant producing shoots andthe average number of shoots per-explant were observed at 12 weeks after planting. Progeniesresulted from the micropropagation were then analysed using RAPD with 5 primers, i.e.OPA8 (5’ GTGACGTAGG 3’), OPA9 (5’ GGGTAACGCC 3’), OPA10 (5’ GTGATCGCAG3’), OPA11 (5’ CAATCGCCGT 3’), OPA13 (5’ CAGCACCCAC 3’). The results showedthat the most appropriate explant for inducing organogenesis was shoot base. Analysis ofRAPD showed that the slight variation was detected between mother plant and the progeniesand also among the progenies. The results obtained from the current research are promisingand suggests that RAPD markers can be utilized as a simple molecular tool to assess thegenetic variation of plants derived in-vitro.

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.

Pengaruh Frekwensi Pemberian Kompos NT45 dan Dosis Urea terhadap Pertumbuhan dan Hasil Kacang Tanah (Arachis hypogaea L.) di Ultisol NILLA KRISTINA; MUHSANATI MUHSANATI; SARDI PADAPOTAN.S
Agrotrop : Journal on Agriculture Science Vol 6 No 1 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Effect of Application Frequency of NT45 and Urea Fertilizer on Growth and Yield ofPeanut. The productivity of peanut in Indonesia was decline in last year because of thechanging of the land function especially in Java. We need to find the new area for peanut.And one of them is Ultisol that is marginal land. The peanut productivity in Indonesian is stilllow because of that we have to improve our cultivation technique especially on Ultisol. Theaimed of this research was to find best combination between NT45 organik fertilizer and Ureafertilizer dosage for increasing growth and yield of the peanut. The research was conducted inFactorial 3 x 3 in Randomized Completely Design with three replications. The first factor wasfrequency of giving NT45 consisted of two level : once and twice giving. The second factorwas Urea fertilizer dosage consisted of three levels : 25 kg/ha (B1), 50 kg/ha (B2) and 75kg/ha (B3). The result showed that pod production of peanut was lower on giving 25 kg/haUrea than NT45 and Urea. Once (20 ton/ha) and twice application (40 ton/ha) NT45 organikfertilizer showed that the result of pod and grain yield were the same. On dossage 50 kg/Ureagave best pod yield on Ultisol.

New Report of Distribution of Entomopathogenic Fungi Aschersonia sp. Infected Whitefly in Bali I PUTU WIRYA SUPUTRA; I PUTU SUDIARTA; GUSTI NGURAH ALIT SUSANTA WIRYA; I KETUT SUMIARTHA
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Laporan Baru tentang Distribusi Jamur Entomopatogenik Aschersonia sp. yang Menginfeksi Kutu Putih di Bali. Penelitian tentang distribusi jamur entomopatogenik Aschersonia sp. dilakukan untuk mengetahui persebaran Aschersonia yang menginfeksi kutu putih di seluruh Bali. Penelitian tersebut dilakukan di Kabupaten Gianyar, Bangli dan Buleleng pada centra perkebunan jeruk dimulai tahun 2014 sampai tahun 2018. Aschersonia pertama kali ditemukan pada tahun 2014 di Desa Sekaan Kintamani Bangli dan Desa Kerta Payangan Kabupaten Gianyar, dan pada tahun 2018 ditemukan di Desa Gobleg Sukasada Kabupaten Buleleng. Distribusi jamur tersebut ditemukan di dataran tinggi dan tidak ditemukan di dataran rendah. Hal ini sangat terkait dengan keadaan iklim terutama kelembaban dan suhu. Jamur Aschersonia sangat baik tumbuh pada suhu 20°C yang berada pada dataran tinggi.

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Abstract

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Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota denpasar,

Bali

INDONESIA