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Pengaruh Plant Growth Promoting Rhizobakteria (PGPR) terhadap Pertumbuhan dan Hasil Tanaman Kacang Tanah (Arachis hypogaea L.) I MADE DWI ANJARDITA; I GUSTI NGURAH RAKA; IDA AYU MAYUN; I NYOMAN SUTEDJA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.3, Juli 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on Growth and Results of Peanut (Arachis hypogaea L.) This study aims to determine the type of rhizobacteria that have better ability to improve the growth and yield of peanut. The design used was randomized block design with 5 treatments is RB35 (undis rooting plants from Beratan, Sukasada), RB36 (undis rooting plants from Kubutambahan, Buleleng), RB3 (kara benguk rooting plants), RB9 (lamtoro rooting plant) and Controls. Each treatment repeated 5 times. This study observed plant height, number of leaves, number of branches, chlorophyll content, number of root nodules, weight of oven dry roots, weight of oven dry stalks, number of pods per plants, number of pods contain per plants, weight of 1000 seeds, dry seeds weight of oven and predicted yield per hectare. The results showed that the four rhizobakteria there are RB35, RB36, RB3 and RB9 able to increase the growth and yield of peanut plants. From the four rhizobacteria, there are 3 rhizobacteria that have higher ability in increasing peanut yield of RB35 (3.72 tons ha-1), RB36 (3.68 tons ha-1) and RB3 (3.50 tons ha-1) compared to RB9 (3.25 tons ha-1) of plants without rhizobacteria or control (2.04 tons ha-1).

Pengaruh Pemberian Dosis Pupuk Urea terhadap Pertumbuhan Tanaman Bayam Cabut Putih (Amaranthus tricolor L.) TINA KOGOYA; I PUTU DHARMA; I NYOMAN SUTEDJA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.4, Oktober 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Effect Of Urea Fertilizer Dosage On The Growth Of Spinach Plants Remove White (Amaranthus tricolor L.) Giving nutrient into the soil is very important for the growth of plants. This study aims to find out the appropriate dosage of urea fertilizer to increase the growth of spinach plants, so that can boost the production of white spinach. This research was conducted on July 12th until the date of August 09th 2017, in experimental garden of Faculty of Agriculture Udayana University. This study used a randomized block design (RAK), the treatment given was a dosage of urea fertilizer consisting of seven treatment level and four replications. Parameters observed and analyzed were plant height, number of leaves, leaf area each plant, root length, fresh weight of plant and dry weight of plant. Before planting the soil samples were analyzed in the laboratory of the Udayana University Faculty of Agriculture to find out the N content in the soil to be used in this study. The results showed that the application of real urea fertilizer can increase the growth of white spinach plant. The highest growth was obtained at the dosage of 0.9 g urea/polybag (U3) with average dry weight of 3.98 g / plant or increased by 437,83% compared to control which yield 0.74 g/plant.

Pertumbuhan Setek Kopi Robusta (Coffea canephora P.) yang Dirangsang Dengan Urin Sapi, Air Kelapa dan Atonik dengan Berbagai Taraf Kosentrasi I KADEK BRATA; I NYOMAN SUTEDJA; I WAYAN PASEK ARIMBAWA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.1, Januari 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Cuttings Growth of Robusta Coffee (Coffea canephora P.) Which is Influencedwith Urin Cow, Coconut Water and Atonic With Various Cosentration Taraf Robusta coffee (Coffea canephora P.) in general can be reproduced generatively by seeds and vegetative with cuttings, because robusta coffee pollinatesso that the development of robusta coffee is not recommended using generativemethods or with seeds because it will form new populations with varying yieldproperties. Then the multiplication of Robusta coffee is done by cuttings. This studyaims to determine the effect of the type of Growth regulator between cow urine,coconut water, and atonic and the effect of the concentration level of each type ofGrowth regulator on the growth of Robusta coffee cuttings. This study uses a nesteddesign with 3 types of zat pengatur tumbuh and 4 levels of concentration as a treatment.The results showed growth regulators Cow urine, coconut water, and atonik both canincrease the growth of Robusta coffee cuttings in nurseries depending on theconcentration given, the best growth of cuttings in the administration of cow urine witha concentration of 20% with a total oven dry weight of 2.08 g which increases cuttingsgrowth by 150.60% compared with no administration of growth regulators, Theprovision of coconut water with a concentration of 50% with a total oven dry weightreached 154 g which increased cuttings growth by 115,21% compared to withoutadministration of growth regulators. and administration of Atonik with a concentrationof 0,25% with a total oven dry weight of 141 g which increased cuttings growth by67.86% compared with no administration of growth regulators.

Pengaruh Pemotongan Daun dan Pemberian Konsentrasi Ekstrak Bawang Merah terhadap Pertumbuhan Setek Kopi Robusta (Coffea canephora P.) I GEDE BUDI YUDA KUMARA; I WAYAN PASEK ARIMBAWA; I NYOMAN SUTEDJA
Agrotrop : Journal on Agriculture Science Vol 10 No 1 (2020)
Publisher : Fakultas Pertanian Universitas Udayana

Effect of Leaf Cutting and Concentration of Shallot Extract on the Growth of Cuttings Robusta Coffee (Coffea canephora P.). Robusta coffee plants (Coffea canephora P.) in general can be reproduced generatively by seeds, while the vegetative method can be done by grafting, cuttings, and tissue culture. Breeding of robusta coffee by generative method was often unsatisfactory, therefore the propagation of Robusta coffee is recommended using vegetative methods, namely cuttings. This study aims to determine the effect of leaf area cutting and the concentration of shallot extract and its interaction on the growth of Robusta coffee cuttings. This study used 2 factors in factorial design, namely: percentage of leaf cutting and the concentration of shallot extract. Variables observed were shoots growth time, shoots length, shoots diameter, number of leaves of seedling, leaf area of ??seedling, number of primary roots, length of primary root, oven dry weight of the root, oven dry weight of shoots, leaf oven weight, photosynthetic partition coefficient and total dry weight of plants.The results of this study showed that the best growth of Robusta coffee cuttings was shown in the 0% leaf cutting treatment with the heaviest total dry weight of the seedlings, which was 4.35 g and experienced an increase of 131.38% compared with 75% leaf cutting. Interaction of 0% leaf cutting by giving the concentration of onion extract 25% is the best treatment, this can be seen from the observation of the primary root length, but the total oven dry w eight showed no significant difference.

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.

Kajian Beberapa Cara Fermentasi yang Dilakukan oleh Petani terhadap Mutu Biji Kakao (Theobroma cacao L.) NI LUH MADE PRADNYAWATHI; I KETUT ARSA WIJAYA; I NYOMAN SUTEDJA; ANAK AGUNG MADE ASTININGSIH
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Study of Assorted Fermentation Methods Conducted by Local Farmers on the Quality of VCocoa Beans (Theobroma Cacao L.). Various fermentation methods have been done by local farmers, however there has been no report on the quality of cocoa beans from those methods. This study aims were to identify various ways of cocoa beans fermentation conducted by local farmers; to compare between quality of fermented beans produced by local farmers and suggested quality of fermented beans; and o obtain a simple fermentation method which resulted in good quality beans and suitable practice for local farmers. The research wasconducted in Tabanan Regency, Province of Bali through field survey with observation and interview method, and supported with literature study. According to field observation and analysis of fermented cocoa beans taken from the local farmers, it can be concluded that most of local farmers did not fermented their kakao seeds. Thus, the fermentation done by utilizing a plastic sack, a bamboo basket or a wooden box lined and covered with banana leaves. The research also found that implementing similar fermentation methods to the seed did not always resulting similar quality of cocoa beans. Finally, the simplest method for local farmers to ferment the cocoa seed was the fermentation by utilizing basket lined and covered with banana leaves with at least 90kg wet beans.

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

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).

Eksplorasi Sumber Daya Genetik Jagung Lokal Bali NI LUH MADE PRADNYAWATHI; I KETUT ARSA WIJAYA; I NYOMAN SUTEDJA
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p06

Genetic diversity of genetic resources is the basic material for producing superior varieties. These genetic resources can be in the form of local varieties, among others. The purpose of this study was to explore the types of local corn in the province of Bali. The method used was a survey method. The primary data collection techniques were observation and interviews and the secondary data in the form of literature study. The types of local corn obtained were then collected. Exploration was carried out at corn planting centres from August 2020 to November 2020. From the exploration results were found 16 local corn types. In Buleleng Regency, four local corn accessions were found, namely: Pangkung Paruk Barak corn, Pangkung Paruk Putih corn, Local Sambirenteng corn and Cicih Kebo corn. In Karangasem Regency, three local corn were found, namely Seraya corn, Purwakerti Putih corn and Ketan Bunutan corn. In Klungkung Regency, one type of local corn was found, Local Nusa Penida corn. In Bangli Regency, six types of local corn were found, namely Kuning Pengootan corn, Local Landih corn, Panes corn/Kuning Daup corn, Injin Daup corn, Bali Malet Gusti corn and Barak Keliki Kintamani corn. In Badung Regency, two types of local corn were found, namely Belok Sidan corn, and Ketan Belok Sidan corn.

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