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Profil Asam Lemak dan Triasilgliserol Berantai Sedang (MCFA) dalam Kelapa Segar dan Santan (Cocos nucifera L.) Rita Hayati
Jurnal Agrista Vol 14, No 3 (2010): Volume 14 Nomor 3 Desember 2010
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Fatty Acids Profile and Medium Changes Fatty Acids (MCFA) on Coconut Fresh and Coconut Milk (Cocos nucifera L.)ABSTRACT. This study was conducted to determine the fatty acids profile and medium changes fatty acids on coconut fresh and coconut milk. The fatty acids content of coconut fresh and coconut milk of saturated fatty acids (120.88- 84%) consist of C6:0, C8:0, C10:0, C12:0, C14:0, C16:0, C18:0. The monounsaturated fatty acids present was palmitoleic acid (C6:1c9) and oleic acid (C18:1n9) amounting to 15.7-16.2%, respectively. While linoleic (C18:2n6) was the major polyunsaturated fatty acids, amounting to 2.20-3.40%. The total medium changes fatty acids (MCFA) in coconut fresh and coconut milk were 70.0% and 67.5%.

Kajian Fraksi Air Terikat Primer, Sekunder dan Tertier dalam Kelapa (Cocos nucifera L.) Rita Hayati
Jurnal Agrista Vol 14, No 2 (2010): Volume 14 Nomor 2 Agustus 2010
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Study of The Primary bound Water Fraction, Secondary and Tertiery in Coconut (Cocos nucifera L.)ABSTRACT. Critical moisture and water activity of coconut (Cocos nucifera L.), were analyzed for the first and second critical points of transition among the primary, secondary and the tertiery bound water fraction in the coconut. It was found out that the first critical points of moisture content and water activity were Mp of 5.22% db and ap of 0.30 respectively. The second ctitical points were water content Ms 12.4% db and water activity as 67% respectively. Coconut sample in the primary bound water fraction (represented by moisture content at 5.22% db), was stable in colour and appearance, but slightly rancid due to molecular mobility of the liquid oil content. The sample in the secondary bound water fraction (represented 12.4% db), has a colour change to darker brown, and in the tertiary bound water fraction (represented 90.5% db), mold growth appeared on the 12 days storage. Coconut indicated and Intermediate Moisture Food (IMF), because limited shelf life for few days at room temperature.

Pengaruh Pemberian Nitrogen dan Boron Melalui Daun terhadap Mutu Benih Kedelai (Glycine max (L.) Merril ) Julita HD; Syamsuddin Syamsuddin; Rita Hayati
Jurnal Floratek Vol 11, No 1 (2016): April 2016
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Effect of Foliar Application of Nitrogen and Boron on Quality of Soybean Seed (Glycine max (L.) Merril)ABSTRACT. The aim of this research was to investigate the effect of foliar application of nitrogen and boron on quality of soybean seed (Glycine max (L.) Merril). The research was conducted at Balai Pengkajian Teknologi Pertanian (BPTP) Aceh, Seed Laboratory of Agriculture Faculty, Syiah Kuala University and Center for Biological Resources and Biotechnology, Institute for Research and Community Empowerment, Bogor Agricultural Institute which is started from June 2013 to February 2014. This research was carried experimentally using a randomized block design with three replication, consist of two factor. The first factor was nitrogen concentration witch consisted of four levels: 0, 0,2, 0,4 and 0,6%. The second factor was boron dossages ie : 0, 0,35, 0,45, 0,55 kg B ha-1. The results showed that nitrogen concentration have very significant effect on germination, the rate of seed growth, seed growth simultaneity and significant effect on seed protein content. Best nitrogen concentration level found in the use of 0,6% N. Boron have very significant effect on germination, seed growth simultaneity and significantly effect on the rate of seed growth. The best boron level was found at a dose of 0,45 kg B ha-1. The combination of boron 0,6% N and 0% gives a higher yield for the germination, the rate of the seed growth, seed growth simultaneity and protein, which is not significantly different from its value with the addition of boron 0,35, 0,45 and 0,55 kg B ha-1.

Pengaruh Tingkat Kekerasan Buah dan Letak Benih dalam Buah terhadap Viabilitas dan Vigor Benih Kakao (Theobroma cacao L.) Nanda Fadila; Syamsuddin Syamsuddin; Rita Hayati
Jurnal Floratek Vol 11, No 1 (2016): April 2016
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Effect of the Pod Hardness Level and Seed Position in Pod on Cocoa Seed (Theobroma cacao L.) Viability and Vigor ABSTRACT. The study was aimed to recognize the effect of the pod hardness level, seed position in pod, and the interaction between them on cocoa seed viability and vigor. The design used was a factorial completely randomized design (CRD) with 3 replicates. The level of pod hardness as the first factor consisted of 4 levels: 3.5 kg/second, 3.0 K ≤ 3.5 kg/second, 2.5 K ≤ 3.0 kg/second and 2.0 K ≤ 2.5 kg/second. The position of seed in pod as the second factor covers 3 levels, they are both ends and the middle of the pod. Observation conducted to the seed dried weight (BK), maximum growth potency (PTM), germination capacity (DB), vigor index (IV), growth speed (KCT), simultaneity growing (KST), time needed to reach 50% from the total of relative germination (T50) and dry weight of normal sprouts (BKKN). The results showed that the highest viability and vigor of cocoa seed was found from 2.5 K ≤ 3.0 kg/second of pod hardness level. The highest viability and vigor of cocoa seed came from the middle of the pod. The best combination was found from 2.5 K ≤ 3.0 kg/second of pod hardness level in the middle of the pod.

PENGARUH DOSIS MULSA SEKAM PADI TERHADAP PERTUMBUHAN DAN HASIL BEBERAPA VARIETAS BAWANG MERAH (Allium Ascalonicum L.) Cut Meutia; Mardhiah Hayati; Rita Hayati
Agrica Ekstensia Vol 16 No 2 (2022): Edisi Desember
Publisher : Politeknik Pembangunan Pertanian Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55127/ae.v16i2.113

Penelitian ini bertujuan untuk mengetahui pengaruh dosis mulsa sekam padi, varietas dan interaksi terbaik terhadap pertumbuhan dan hasil tanaman bawang merah. Penelitian tersebut dilaksanakan di Kebun Percobaan Fakultas Pertanian Universitas Syiah Kuala, yang berlangsung dari bulan Juli sampai September 2017. Penelitian menggunakan Rancangan Acak Kelompok pola faktorial 3x3 dengan 3 kali ulangan. Faktor pertama adalah dosis mulsa sekam padi dengan 3 taraf (5, 10 dan 15 ton/ha). Faktor kedua adalah varietas dengan 3 jenis (Bima Brebes, Vietnam dan Bangkok). Hasil penelitian menunjukkan bahwa dosis mulsa sekam padi berpengaruh sangat nyata terhadap jumlah anakan per rumpun, jumlah umbi, diameter umbi, bobot brangkasan basah, bobot basah umbi, bobot brangkasan kering, bobot kering umbi, potensi hasil, berpengaruh nyata terhadap tinggi tanaman pada umur 20 dan 30 HST, dan berpengaruh tidak nyata terhadap tinggi tanaman pada umur 10 HST. Pertumbuhan dan hasil tanaman bawang merah terbaik dijumpai pada dosis mulsa sekam padi 5 ton/ha. Varietas berpengaruh sangat nyata terhadap semua peubah yang diamati. Penggunaan varietas terbaik dijumpai pada varietas Vietnam.

Pengaruh Kadar Air dan Persamaan Model Bet untuk Prediksi Masa Simpan Kakao (Theobroma cacao L.) Rita Hayati
Jurnal Teknologi dan Industri Pertanian Indonesia Vol 9, No 1 (2017): Vol.(9) No.1, April 2017
Publisher : Agricultural Faculty

Effect of moisture content and BET equation to the shelf life of cocoa (Theobroma cacao L.) has been conducted. Increasing the quality of cocoa beans is with proper post-harvest handling, including how the harvest, the level of ripeness, curing, fermenting, drying up storage. The purpose of this study was to determine the water content and the appropriate levels of critical in determining the shelf life of cocoa. The benefits of this research are as information for farmers in determining the shelf life of cocoa in order to design a storage area corresponding to the respiratory system owned by cocoa. The results showed that the effect of fermentation facilitator (Staphilococcus cerevisiae) and drying temperature on water content showed that the fermentation facilitator (Staphilococcus cerevisiae) highly significant effect on water content. The drying temperature is also highly significant effect on water content. BET equation obtained was Y = 2,912x + 1.238 (R2 = 0.965), Y = 2,897x + 1.353 (R2 = 0.968) and Y = 2,806x + 1.89 (R2 = 0.954).

Penerapan Teknik Ekstraksi dan Durasi Dry Heat Treatment Terhadap Mutu Benih Tomat (Lycopersicum esculentum Mill.) Ulya Savira; Agam Ihsan Hereri; Rita Hayati
Jurnal Ilmiah Mahasiswa Pertanian Vol 4, No 1 (2019): Februari 2019
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh teknik ekstraksi, dry heat treatment, dan interaksi antara teknik ekstraksi dan dry heat treatment terhadap mutu benih tomat. Penelitian ini dilaksanakan di Laboratorium Ilmu dan Teknologi Benih Fakultas Pertanian, Universitas Syiah Kuala Banda Aceh yang berlangsung mulai bulan Mei sampai Juli 2018. Analisa data ini menggunakan Rancangan Acak Lengkap (RAL) Pola Faktorial dengan 2 faktor dan 3 ulangan. Faktor yang diamati dalam penelitian ini adalah teknik ekstraksi dan durasi dry heat treatment. Teknik ekstraksi (T) terdiri dari 2 taraf yaitu teknik ekstraksi dengan air langsung dan teknik ekstraksi dengan HCl 1% serta dry heat treatment (DHT) dengan suhu 60 ˚C terdiri dari 4 taraf yaitu kontrol (tanpa DHT), 12 jam, 24 jam dan 48 jam. Parameter yang diamati yaitu kadar air benih, potensi tumbuh, daya berkecambah, kecepatan tumbuh relatif, tinggi bibit, jumlah daun, diameter pangkal batang, bobot brangkasan basah, bobot brangkasan kering dan volume akar. Hasil penelitian menunjukkan bahwa perlakuan teknik ekstraksi yang terbaik terdapat pada teknik ekstraksi dengan HCl 1% dan perlakuan durasi dry heat treatment yang terbaik terdapat pada 48 jam. Interaksi antara teknik ekstraksi dan durasi dry heat treatment yang terbaik terdapat pada teknik ekstraksi HCl 1% dengan dry heat treatment 48 jam.The Application of Extraction Techniques and Duration of Dry Heat Treatment on The Quality of Tomato SeedAbstract. This research aims to determine the effect of extraction techniques, dry heat treatment and the interactions of extraction techniques and dry heat treatment on the quality of tomato seeds. This research was carried out at Laboratory of Science and Seed Technology of the Faculty of Agriculture, Syiah Kuala Banda Aceh University from May to July 2018. The research units were compiled based on a Completely Randomized Design-factorial with 2 factors and 3 replications. First factor was extraction techniques (T) with 2 treatments: extraction technique with water and extraction technique with HCl 1%. The second factor was dry heat treatment (DHT) in temperature 60 ˚C with 4 treatments: control (non-DHT), 12 hours, 24 hours and 48 hours. The parameters observed were seed moisture content, maximum growth potential, germination rate, relative growth speed, seedling height, leaves number, plant fresh weight, plant dry weight, and root volume. The result of the research showed that the best extraction method was found in extraction with HCl 1% treatment and duration of dry heat treatment with 48 hours gave the best result on tomato seed quality. The interaction of extraction methods with HCl 1% and duration of dry heat treatment with 48 hours gave the best result on tomato seed quality.

Pengaruh Jarak Tanam dan Dosis Pupuk NPK terhadap Pertumbuhan dan Hasil Tanaman Bawang Putih (Allium sativum L.) di Dataran Rendah Jaksa Metuah; Elly Kesumawati; Rita Hayati
Jurnal Ilmiah Mahasiswa Pertanian Vol 6, No 4 (2021): November 2021
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh jarak tanam dan dosis pupuk NPK yang tepat dan interaksi antara kedua faktor tersebut terhadap pertumbuhan dan hasil tanaman bawang putih di dataran rendah. Penelitian ini dilaksanakan di Kebun Percobaan II sektor Timur dan Laboratorium Iptek Perbenihan Fakultas Pertanian Universitas Syiah Kuala berlangsung dari Januari sampai dengan April 2021. Rancangan penelitian yang digunakan adalah Rancangan Acak Kelompok faktorial 3x3 dengan 3 ulangan. Faktor yang diteliti adalah jarak tanam yang terdiri dari 3 taraf yaitu 10 cm x 10 cm, 10 cm x 15 cm, 10 cm x 20 cm dan dosis pemupukan NPK terdiri dari 3 taraf yaitu 400, 600 dan 800 kg ha-1. Hasil penelitian menunjukkan bahwa jarak tanam berpengaruh sangat nyata terhadap bobot umbi per petak dan potensi hasil, berpengaruh nyata terhadap bobot basah tanaman per tanaman. Pertumbuhan dan hasil terbaik bawang putih di dataran rendah terdapat pada jarak tanam 10 cm x 10 cm. Perlakuan Dosis pupuk NPK berpengaruh nyata terhadap tinggi tanaman pada umur 30 dan 45 HST. Pertumbuhan dan hasil bawang putih di dataran rendah cenderung lebih baik pada dosis pupuk NPK 400 kg ha1. Terdapat interaksi yang tidak nyata anatar jarak tanam dengan dosis pupuk NPK terhadap pertumbhan dan hasil tanaman bawang putih di dataran rendah.The Effect of Plant Spacing and Dosage of NPK Fertilizer and Yield of Garlic (Allium sativum L.) in LowlandAbstract. This study aims to determine the effect of spacing and the right dose of NPK fertilizer as well as the interaction between these two factors on the growth and yield of garlic plants in the lowlands. This research was carried out at the Experimental Gardens II East Sector and the Seed Science and Technology Laboratory, Faculty of Agriculture, Syiah Kuala University, taking place from January to April 2021. The research design used was a 3x3 factorial randomized block design with 3 replications. The factors studied were plant spacing consisting of 3 levels, namely 10 cm x 10 cm, 10 cm x 15 cm, 10 cm x 20 cm and the dose of NPK fertilizer consisted of 3 levels, namely 400, 600 and 800 kg ha-1. The results showed that plant spacing had a very significant effect on tuber weight per plot and yield potential, significantly affected wet plant weight per plant. The best growth and yield of garlic in the lowlands was found at a spacing of 10 cm x 10 cm. Treatment he dose of NPK fertilizer had a significant effect on plant height at the age of 30 and 45 DAP. The growth and yield of garlic in the lowlands tended to be better at a dose NPK fertilizer of 400 kg ha- 1. There is an unreal intraction between plant spacing and dose NPK fertilizer of the growth and the garlic plant in lowland.

Pengaruh Konsentrasi Gel Lidah Buaya dan Lama Pencelupan terhadap Kualitas Buah Tomat (Lycopersicum esculentum Mill.) Eviliany Pinayungan; Syamsuddin Syamsuddin; Rita Hayati
Jurnal Ilmiah Mahasiswa Pertanian Vol 6, No 4 (2021): November 2021
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstrak. Penelitian ini memiliki tujuan untuk mengetahui pengaruh konsentrasi gel lidah buaya dan lama pencelupan serta interaksi antara kedua faktor terhadap kualitas buah tomat, yang dilakukan di Laboratorium Ilmu dan Teknologi Benih Program Studi Agroteknologi Fakultas Pertanian Universitas Syiah Kuala, berlangsung pada bulan Oktober 2020 hingga Februari 2021. Rancangan penelitian yang digunakan adalah Rancangan Acak Kelompok pola Faktorial 4 x 3 dengan 3 ulangan. Faktor yang diteliti yaitu konsentrasi gel lidah buaya terdiri dari 4 taraf yaitu tanpa konsentrasi gel lidah buaya, 15, 30, 45% serta lama pencelupan terdiri dari 3 taraf yaitu 30, 60 dan 90 detik. Hasil penelitian menunjukkan bahwa konsentrasi gel lidah buaya berpengaruh nyata terhadap organoleptik warna, berpengaruh tidak nyata terhadap susut bobot, kadar air, vitamin C, warna dan organoleptik tekstur, aroma dan rasa. Kualitas buah tomat terbaik dijumpai pada konsentrasi gel lidah buaya 45%. Perlakuan lama pencelupan terhadap kualitas buah tomat terbaik cenderung dijumpai pada perlakuan lama pencelupan 90 detik, walaupun berbeda tidak nyata dengan perlakuan lama pencelupan 30 dan 60 detik. Terdapat interaksi yang tidak nyata antara gel lidah buaya dan lama pencelupan terhadap kualitas buah tomat.Effect of Aloe Vera Gel Concentration and Immersion Time on Tomato Fruit Quality (Lycopersicum esculentum Mill.)Abstrat. This study aims to determine the effect of aloe vera gel concentration and immersion time as well the interaction between the two on the quality of tomato fruit. The research was carried out at the Seed Science and Technology Laboratory of the Agrotechnology Study Program, Faculty of Agriculture, Syiah Kuala University, taking place from October 2020 to February 2021. The research design used was a 4 x 3 factorial randomized block design with 3 replications. The factors studied were the concentration of aloe vera gel consisting of 4 levels, namely without concentration of aloe vera gel, 15, 30, 45% and the immersion time consisted of 3 levels, namely 30, 60 and 90 seconds. The results showed that the concentration of aloe vera gel had a significant effect on organoleptic color, but had no significant effect on weight loss, moisture contect, vitamin C, color and organoleptic texture, scent and taste. The best quality of tomatoes was found at a concentration of 45% aloe vera gel. The duration of the immersion treatment on the quality of the best tomatoes tended to be found in the treatment of 90 second immersion, although not significantly different from the treatment of 30 and 60 second immersion. There was not significant interaction between aloe vera gel concentration and immersion time on the quality of tomatoes.

Pengaruh Konsentrasi dan Interval Penyiraman Air Kelapa terhadap Pertumbuhan dan Hasil Jamur Tiram Putih (Pleurotus ostreatus) Nur Azizah; Rita Hayati; Nurhayati Nurhayati
Jurnal Ilmiah Mahasiswa Pertanian Vol 4, No 1 (2019): Februari 2019
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi dan interval penyiraman air kelapa yang tepat serta mengetahui pengaruh interaksi antara konsentrasi air kelapa dan interval penyiraman air kelapa terhadap pertumbuhan dan hasil jamur tiram putih. Penelitan ini dilaksanakan di UPTD Balai Benih Hortikultura Saree Kabupaten Aceh Besar, pada bulan mei sampai juli 2018. Unit-unit penelitian disusun berdasarkan rancangan acak lengkap pola faktorial 4x4 dengan 3 ulangan dan dilanjutkan dengan uji beda nyata jujur taraf 5% pada hasil uji F yang signifikan. Faktor pertama adalah pemberian konsentrasi air kelapa dengan konsentrasi: 0, 25, 50 dan 75% dan faktor kedua adalah interval penyiraman air kelapa dengan interval: 1 hari sekali, 2 hari sekali, 3 hari sekali dan 4 hari sekali. Hasil penelitian menunjukkan bahwa perlakuan konsentrasi air kelapa berpengaruh sangat nyata terhadap parameter pertumbuhan awal miselium,diameter tudung jamur, jumlah tubuh buah, bobot segar tubuh buah per baglog dan bobot segar tubuh buah selama 3 kali panen, berpengaruh tidak nyata pada parameter laju pertumbuhan miselium dan panjang tangkai tudung buah. Konsentrasi terbaik terdapat pada perlakuan konsentrasi air kelapa 50%. Interval penyiraman air kelapa berpengaruh sangat nyata pada parameter diameter tudung jamur, jumlah tubuh buah, bobot segar tubuh buah per baglog dan bobot segar tubuh buah selama 3 kali panen, berpengaruh nyata pada parameter panjang tangkai tudung buah dan berpengaruh tidak nyata pada parameter pertumbuhan awal miselium, laju pertumbuhan miselium dan jumlah tubuh buah. Interval penyiraman terbaik terdapat pada perlakuan interval penyiraman 2 hari sekali. Interaksi antara konsentrasi air kelapa dan interval penyiraman berpengaruh nyata terhadap diameter tudung buah. Kombinasi perlakuan terbaik terdapat pada konsentrasi air kelapa 50% dan interval penyiraman 2 kali sehari.The Effect of Concentrations And The Coconut Watering Intervals on The Growth And Yields of White Oyster Mushroom (Pleurotus ostreatus)Abstract. This research aims to determine the effect of concentrations and the intervals of watering of coconut water on the growth and yields of white oyster mushroom. This research was carried out at Saree UPTD Horticulture Seed Centre, Aceh Besar regency from Mei to July 2018. The research units were compiled based on a Completely Randomized Design-factorial 4x4 with 3 replications and continued with Honestly Significance Difference test (Turkey test) level of 5% on a significant F test result. The first factors were the concentrations of coconut water : 0, 25, 50, and 75 %. The second factors were the interval of watering: once a day, twice a day, three times a day and four times a day. The result of the research showed that the concentrations of coconut water treatment were highly significant on initial growth of mycelium, mushroom hood diameter, the number of mushrooms, mushroom fresh weight per baglog and mushroom fresh weight for 3 times harvest and it was not significant on the rate of mycelium growth and long fruit hood stalk. 50% concentration of coconut water treatment gives the best result on the growth and yield. The intervals of watering of coconut water was highly significant on mushroom hood diameter, the number of mushrooms, mushroom fresh weight per baglog and mushroom fresh weight for 3 times harvest and they significant on long fruit hood stalk and not significant on initial growth of mycelium, the rate of mycelium growth and the number of mushrooms. The interval of watering twice a day treatment shows the best result on the growth and yields of white oyster mushroom. The interaction of concentrations of coconut water and the interval of watering was significant on mushroom hood diameter. 50% concentration of coconut water and the interval of watering twice a day shows the best result on growth and yields of white oyster mushroom.

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