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PENGARUH PERLAKUAN BENIH DENGAN MENGGUNAKAN AGENS BIOKONTROL TERHADAP PENGENDALIAN PENYAKIT Rhizoctonia solani PADA PERTUMBUHAN BIBIT CABAI MERAH Dody Azwar; Hasanuddin Hasanuddin; Syamsuddin Syamsuddin
Jurnal Agrista Vol 22, No 2 (2018): Volume 22 Nomor 2 Agustus 2018
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Perlakuan benih menggunakan rizobakteri sebagai alternatif pengganti penggunaan bahan kimia untuk mengendalikan penyakit tanaman. Penelitian ini bertujuan (1) mempelajari pengaruh beberapa jenis isolat rizobakteri dalam menghambat pertumbuhan Rhizoctonia solani terhadap pertumbuhan bibit tanaman cabai merah, dan (2) pengaruh perlakuan benih menggunakan rizobakteri sebagai pemacu pertumbuhan tanaman. Penelitian ini menggunakan rancangan acak lengkap (RAL) non faktorial. Faktor yang diteliti adalah rizobakteri sebagai agens biokontrol terhadap patogen Rizoctonia solani yang terdiri dari 18 isolat rizobakteri yaitu : Pseudomonas capasia (A1) , Bacillus megaterium (A2), Pseudomonas dimuta (A3), Bacillus bodius (A4), Bacillus laterophorus (A5), Bacillus larvae (A6), Bacillus alvei (A7), Bacillus coagulans (A8), Bacillus firmus (A9), Bacillus pilymixa (A10), Bacillus lichiniformis (A11), Bacillus stearothermophillus (A12), Actinobacillus suis (A13), Actinotorbacter sp. (A14), Azotobacter sp. INA8 (A15), Azotobacter sp. (A16), Necercia sp. (A17), Flavobacterium sp. (A18). Sebagai kontrol (A0) juga dikecambahkan benih yang tidak diberi isolat rizobakteri. Terdapat 6 rizobakteri dari 18 isolat yang diuji yang memberikan penurunan nilai gejala serangan patogen Rhizoctonia solani yaitu Pseudomonas dimuta, Bacillus bodius, Bacillus laterophorus, Bacillus lichiniformis, Bacillus stearothermophillus, dan Azotobacter sp. Perlakuan benih dengan rizobakteri Flavobacterium sp sangat nyata meningkatkan vigor benih pada tolok ukur indeks vigor. Perlakuan benih terbaik dalam meningkatkan pertumbuhan tanaman terhadap parameter tinggi tanaman dan diameter batang umur 4 MSP adalah Bacillus bodius dan parameter jumlah daun pada perlakuan jenis rizobakteri Pseudomonas capasia.Influence of Seed Treatment Using Agens Bio Control Against Rhizoctonia solani Disease and Seedling Growth of Red Chili PepperSeed treatment using rizobakteri as an alternative to substitute the use of chemicals to control plant disease.. This study aims to (1) study the influence of several types of rizobacterial isolates in inhibiting the growth of Rhizoctonia solani on the growth of red chili seedlings, and (2) the influence of seed treatment using rhizobacteria as a trigger for plant growth. This study used a complete randomized design (RAL) non factorial. The factors studied were rizobacteria as a biocontrol agent against Rizoctonia solani pathogen consisting of 18 rizobacterial isolates: Pseudomonas capacia (A1), Bacillus megaterium (A2), Pseudomonas dimuta (A3), Bacillus bodius (A4), Bacillus laterophorus (A5) Bacillus larvae (A6), Bacillus alvei (A7), Bacillus coagulans (A8), Bacillus firmus (A9), Bacillus pilymixa (A10), Bacillus lichiniformis (A11), Bacillus stearothermophillus (A12), Actinobacillus suis (A13), Actinotorbacter sp . (A14), Azotobacter sp. INA8 (A15), Azotobacter sp. (A16), Necercia sp. (A17), Flavobacterium sp. (A18). As control (A0) also added seeds that were not given rizobacterial isolates. There were 6 rhizobacteria of 18 isolates tested which decreased the symptom value of pathogenic attack of Rhizoctonia solani ie Pseudomonas dimuta, Bacillus bodius, Bacillus laterophorus, Bacillus lichiniformis, Bacillus stearothermophillus, and Azotobacter sp. Treatment of seeds with rizobacteria Flavobacterium sp very significantly increases the vigor of seeds on the benchmark vigor index. The best seed treatment in improving plant growth on plant height parameters and stem diameter of 4 MSP was Bacillus bodius and leaf number parameters in the treatment of rhizobacteria Pseudomonas capacia.

PENGARUH PERLAKUAN BENIH CABAI MERAH (Capsicum annum L.) MENGGUNAKAN BEBERAPA ISOLAT RIZOBAKTERI TERHADAP PROSES PERKECAMBAHAN, PERTUMBUHAN DAN PRODUKSI Raihan Fajri; Syamsuddin Syamsuddin; Mardhiah Hayati
Jurnal Agrista Vol 22, No 1 (2018): Volume 22 Nomor 1 April 2018
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Penelitian ini bertujuan untuk mengetahui pengaruh perlakuan benih menggunakan rhizobakteri pemacu tanaman terhadap proses perkecambahan, pertumbuhan dan produksi tanaman cabai merah varietas Kiyo. Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok (RAK) non faktorial, yang terdiri dari 9 taraf perlakuan rizobakteri dengan 3 kali ulangan sehingga terdapat 27 satuan percobaan. Perlakuan penelitian terdiri dari : Kontrol, Azotobacter sp, Bacillus magaterium, Pseudomonas dinuta, Bacillus alve, Flavobacterium sp, Bacillus coagulans, Bacillus firmus dan Bacillus polymixa. Parameter yang diamati adalah potensi tumbuh maksimum, daya berkecambah, indeks vigor, keserampakan tumbuh, kecepatan tumbuh, waktu yang dibutukan untuk mencapai 50% perkecambahan total relatif, tinggi bibit, diameter batang bibit, tinggi tanaman, diameter batang tanaman, jumlah cabang, jumlah cabang produktif, jumlah bunga, jumlah buah total, jumlah buah konsumsi dan berat buah konsumsi lima kali panen.Dari delapan isolat yang diuji, terdapat empat isolat rizobakteri yang efektif dalam peningkatan viabilitas dan vigor benih yaitu Azotobacter sp, Bacillus magaterium, Bacillus alvei dan Flavobacterium sp. Influence of Seed treatment of red chili pepper (Capsicum annum l.) Using some of the Isolates Rizobakteri Against the process of Germination, growth and productionThis research aims purpose to know the influence of seed treatment using plant growth promoting rhizobacteria the proceses of germination, growth and production chilli of plant variety Kiyo. Design group using in this research is (RAK) non factorial, which consists of 9 degress of treatment rhizobacteria with 3 times repeats so there are 27 units of the experiment treatment research consists of : Control, Azotobacter sp, Bacillus Magaterium, Pseudomonas dinuta, Basillus alvei, Flavobacterium sp, Basillus coagulans, Basillus firmus and Basillus polymixa. The parameter observed is the potencial to grow maximum, power, index vigor germinated, keserampakan grow, growing speed, the it takes time toreach 50 % germination are relattively high, total seed stem diameter, seeds, plant height, stem diameter, plant number of branches, number of productive interest, amount of fruit total consumption five times the harvest of the eight isolats tested, there are four isolats rhizobacteria is effective in increasing the viability and vigor of seed namely Azotobacter sp, Basillus Magetarium, Basillus alvei and Flavobacterium sp.

EFIKASI BEBERAPA SERBUK NABATI SEBAGAI BIOINSEKTISIDA TERHADAP HAMA Sitophilus zeamais PADA JAGUNG DI PENYIMPANAN Salasiah Salasiah; Muhammad Sayuthi; Syamsuddin Syamsuddin
Jurnal Agrista Vol 22, No 3 (2018): Volume 22 Nomor 3 Desember 2018
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Penelitian tentang keefektifan beberapa serbuk nabati sebagai bioinsektisida terhadap hama Sitophilus zeamais Motsch. Pada jagung di penyimpanan, telah dilakukan di Laboratorium Hama Tumbuhan Fakultas Pertanian Universitas Syiah kuala Darussalam Banda aceh. Penelitian ini dimulai dari mulai Mei 2015 sampai Desember 2016. Penelitian ini bertujuan untuk mendapatkan jenis serbuk nabati yang lebih efektif dalam mengendalikan kumbang bubuk pada jagung di penyimpan. Rancangan yang digunakan dalam penelitian ini adalah rancangan acak lengkap pola Non faktorial dengan 4 perlakuan dan diulang 6 kali ulangan yaitu Perlakuan serbuk lada hitam, lada putih, cabai rawit dan serai wangi. Peubah yang diamati meliputi Mortalitas imago, Jumlah imago turunan pertama (F1), persentase kerusakan jagung, rata-rata waktu imago muncul, daya repelensi. Hasil penelitian pada pengamatan 4 HSA menunjukan bahwa Mortalitas imago tertinggi pada perlakuan lada hitam yaitu 18,33% dan jumlah imago turunan pertama pada pengamatan 34 HSA tertiggi dijumpai pada perlakuan cabai rawit yaitu 53,33% . Selanjutnya rata-rata persentase kerusakan biji jagung pada pengamatan 68 HSA tertinggi dijumpai pada perlakuan serai wangi yaitu 18,00% dan lama imago S. zeamais muncul pada pengamatan 34 HSA tertinggi dijumpai pada perlakuan lada hitam yaitu 34,17%. Daya repelensi pada pengamatan 2 JSA tertinggi dijumpai pada perlakuan lada hitam yaitu 58,33%.Efficacy of Some Vegetable Powders As Bioinsecticides Against Pests Sitophilus zeamais On Corn in StorageResearch on the effectiveness of some vegetable powders as bioinsecticides to pests Sitophilus zeamais Motsch. In maize in storage, it has been done in Plant Hama Laboratory of Agricultural Faculty of Shia University of kuala Darussalam Banda aceh. This research starts from May 2015 to December 2016. This research aims to get more effective type of vegetable powder in controlling powder beetle on corn in storage. The design used in this study was a complete randomized design of Non Factorial with 4 treatments and repeated 6 times repetition of black pepper treatment, white pepper, cayenne pepper and citronella. The observed variables include imago mortality, first-generation imago amount (F1), percentage of maize damage, average imago time emerging, repelensi power. The result of the research on observation of 4 HSA showed that the highest imago mortality in black pepper treatment was 18.33% and the number of first derivative imago on observation of 34 HSA was found in the treatment of cayenne pepper 53.33%. Furthermore, the average percentage of maize damage on observation of 68 highest HSA was found in the treatment of citronella that is 18.00% and the duration of imago S. zeamais appeared on the highest 34 HSA observations found in black pepper treatment that was 34.17%. The highest reproduction capacity in JSA 2 observation was found in black pepper treatment which was 58.33%.

Efektivitas BioPriming Trichoderma harzianum dan Aplikasi Kompos Tandan Kosong Kelapa Sawit (TKKS) terhadap Pertumbuhan dan Produksi Tanaman Kedelai (Glycine max L. Merr.) Saidatul Asyura Hasibuan; Tjut Cham Zurni; Syamsuddin Syamsuddin
Jurnal Agrista Vol 26, No 1 (2022): Volume 26 Nomor 1 April 2022
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan agen hayati Trichoderma harzianum pada perlakuan benih (Biopriming) dan aplikasi pupuk Kompos Tandan Kosong Kelapa Sawit (TKKS) terhadap pertumbuhan dan produksi tanaman kedelai. Penelitian ini dilaksanakan di Laboratorium Ilmu dan Teknologi Benih, Laboratorium Penyakit Tumbuhan Fakultas Pertanian Universitas Syiah Kuala dan Kebun Percobaan Fakultas Pertanian Universitas Syiah Kuala Darussalam Banda Aceh, yang berlangsung pada November 2020 sampai Februari 2021. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) pola faktorial dengan 2 faktor dan 3 ulangan. Faktor pertama biopriming T.harzianum yaitu B0: tanpa Trichoderma harzianum, B1: benih disemprot T. harzianum, B2: benih direndam T. harzianum, B3: benih dicampur T. harzianum + arang sekam. Faktor kedua yaitu dosis pupuk kompos Tandan Kosong Kelapa Sawit (K) yaitu K0: 0 ton ha-1, K1: 10 ton ha-1, K2: 20 ton ha-1, K3: 30 ton ha-1. Hasil penelitian menunjukkan bahwa perlakuan Biopriming T. harzianum berpengaruh sangat nyata pada parameter tinggi tanaman umur 14, 28, dan 42 HST, jumlah cabang 28 HST dan 42 HST (cabang), jumlah cabang produktif (cabang), bobot brangkasan kering (g), jumlah polong bernas (buah), bobot kering biji per tanaman (gram), dan potensi hasil (ton ha-1). Perlakuan aplikasi pupuk Kompos Tandan Kosong Kelapa Sawit (TKKS) berpengaruh sangat nyata pada parameter bobot brangkasan kering (g), jumlah polong hampa (buah) dan jumlah polong bernas (buah) serta berpengaruh nyata terhadap parameter tinggi tanaman 14 HST (cm), bobot kering biji per tanaman (g), potensi hasil (ton ha-1). Pada interaksi antara perlakuan biopriming T. harzianum dan dosis pupuk TKKS berpengaruh sangat nyata pada parameter tinggi tanaman 14 HST (cm) dan bobot kering biji per tanaman (g) serta berpengaruh nyata terhadap parameter bobot brangkasan kering (g) dan jumlah polong bernas (buah). Effectiveness of BioPriming Trichoderma harzianum and Application of Palm Empty Bunch Compost Fertilizer (PEBC) on The Growth And Production of Soybean Crops (Glycine max L. Merr.) Abstract. This study aims to determine the influence of the use of bio-agent Trichoderma harzianum on seed treatment (Biopriming) and application of Palm Empty Bunch Compost fertilizer (PEBC) on the growth and production of soybean crops. This research was conducted in The Laboratory of Seed Science and Technology, Plant Disease Laboratory of the Faculty of Agriculture, Syiah Kuala University and Experimental Garden of the Faculty of Agriculture, Syiah Kuala Darussalam University Banda Aceh, which took place from November 2020 to February 2021. This research use Randomized Block Design Factorial with 2 factors and 3 replicate. The first factor is B0: without Trichoderma harzianum, B1: seeds sprayed T. harzianum, B2: seeds soaked T. harzianum, B3: mixed seeds T. harzianum + charcoal husks. The second factor is the dose of palm oil empty bunch compost fertilizer (K) namely K0: 0 tons ha-1, K1: 10 tons ha-1, K2: 20 tons ha-1, K3: 30 tons ha-1. The results showed that the treatment of biopriming T. harzianum had a very noticeable effect on the parameters of high plant age 14, 28, and 42 DAP (Days After Planting), the number of branches 28 DAP and 42 DAP (branches), the number of productive branches (branches), the weight of dry stover (g), the number of hot pods (fruit), the dry weight of seeds per plant (g), and the potential yield (ton ha-1). The treatment of palm oil empty bunch compost application (PEBC) has a very noticeable effect on the parameters of dry stover weight (g), the number of empty pods (fruit) and the number of hot pods (fruit) and has a noticeable effect on the parameters of plant height of 14 DAP (cm), dry weight of seeds per plant (grams), potential yield (ton ha-1). In the interaction between the treatment of biopriming T. harzianum and the dose of fertilizer PEBC has a very noticeable effect on the parameters of plant height 14 DAP (cm) and dry weight of seeds per plant (g) and has a noticeable effect on the parameters of dry stover weight (grams) and the number of hot pods (fruit).

Uji In Vitro Isolat Rizobakteri Asal Kabupaten Aceh Barat terhadap Pertumbuhan Patogen Phytophthora capsici Putri Sadila Aderni; Ainun Marliah; Syamsuddin Syamsuddin
Jurnal Ilmiah Mahasiswa Pertanian Vol 8, No 2 (2023): Mei 2023
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstrak. Tujuan penelitian ini adalah untuk mengetahui pengaruh jenis isolat rizobakteri asal Kecamatan Kaway XVI Kabupaten Aceh Barat terhadap pertumbuhan patogen Phytophthora capsici dan peranannya sebagai pemacu pertumbuhan tanaman secara in vitro. Penelitian ini dimulai pada November sampai dengan Desember 2022. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) non faktorial yang terdiri dari 15 perlakuan rizobakteri dan diulang sebanyak 3 kali. Hasil penelitian menunjukkan bahwasanya isolat BPS 8/4 memiliki penghambatan tertinggi yakni 79,92%. Sedangkan laju penghambatan pertumbuhan patogen tertinggi dimiliki isolat BPS 7/1 dan BPS 8/2 dengan nilai 3,75 mm/hari. Isolat TPS 6/1 dengan produksi HCN tinggi (+++ HCN) yakni isolat yang mampu menghasilkan HCN. Kemampuan rizobakteri untuk menghasilkan IAA dan melarutkan fosfat menunjukkan fungsinya sebagai pemacu pertumbuhan tanaman. Produksi IAA lebih tinggi pada isolat rizobakteri TPS 6/3 dengan nilai rata-rata 0,721 µg/ml filtrat.In Vitro Test of Rhizobacteria Isolates From West Aceh District on Growth of Pathogen Phytophthora capsici Abstract. The purpose of this study was to determine the effect of the type of rhizobacterial isolates from Kaway XVI District, West Aceh Regency on the growth of the pathogen Phytophthora capsici and its role as a promoter of plant growth in vitro. This study started from November to December 2022. This study used a non-factorial Completely Randomized Design (CRD) which consisted of 15 rhizobacterial treatments and was repeated 3 times. The results showed that BPS 8/4 isolate had the highest inhibition, namely 79.92%. Meanwhile, the highest inhibition rate of pathogen growth was found in BPS 7/1 and BPS 8/2 with a value of 3.75 mm/day. TPS 6/1 isolate with high HCN production (+++ HCN) are isolates capable of producing HCN. The ability of rhizobacteria to produce IAA and dissolve phosphate indicates its function as a plant growth promoter. IAA production was higher in TPS 6/3 rhizobacterial isolate with an average value of 0.721 µg/ml filtrate.

Pengaruh Jenis Mikoriza dan Dosis SP-36 terhadap Pertumbuhan dan Hasil Paprika Merah (Capsicum annum L.) pada Tanah Andisol Raihan Maulina; Syamsuddin syamsuddin; Syafruddin syafruddin
Jurnal Ilmiah Mahasiswa Pertanian Vol 6, No 4 (2021): November 2021
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstark. Penelitian ini bertujuan untuk mengetahui pengaruh jenis mikoriza dan dosis SP-36 terhadap pertumbuhan dan hasil paprika merah pada tanah Andisol. Penelitian ini dilaksanakan di Rumah Kasa dan Laboratorium Hortikultura Fakultas Pertanian Universitas Syiah Kuala Banda Aceh, yang berlangsung pada bulan Februari sampai Juni 2021. Penelitian ini menggunakan Rancangan Acak Kelompok pola faktorial dengan 2 faktor dan 3 ulangan. Faktor pertama adalah jenis mikoriza, yaitu Glomus mosseae, Gigaspora sp, Campuran (Glomus mosseae+Gigaspora sp). Faktor kedua yaitu dosis SP-36, yaitu 0, 100, 150, dan 200 kg ha-1. Hasil analisis statistik menunjukkan bahwa interaksi antara perlakuan jenis mikoriza dan dosis SP-36 terbaik pada Gigaspora sp. dengan dosis SP-36 0 kg ha-1. Terdapat pengaruh sangat nyata pada parameter jumlah buah per tanaman, berat basah keseluruhan tanaman, berat basah akar, berat kering akar, persentase akar terkolonisasi mikoriza serta pengaruh nyata pada parameter diameter batang, jumlah cabang produktif dan berat buah per tanaman.Effect of Mycorrhiza Type and SP-36 Dose on Growth and Yield of Red Pepper (Capsicum annum L.) in Andisol Soil Abstract. This research aims to determine the effect of mycorrhiza type and dose of SP-36 on the growth and yield of red peppers in Andisol soil. This research was conducted at the Greenhouse and Horticulture Laboratory, Faculty of Agriculture, Syiah Kuala University, Banda Aceh, which took place from February to June 2021. This study used a randomized block design with two factors and three replications. The first factor is the type of Mychorrhiza, which consists of three level is, Glomus mosseae, Gigaspora sp, (Glomus mosseae + Gigaspora sp.). The second factor is the dose of SP-36, which consists of four level is, 0, 100, 150, and 200 kg ha-1. The result of statistical analysis showed that the interaction between mycorrhiza type and the best dose of SP-36 on Gigaspora sp, with dose of SP-36 0 kg ha-1. There was a very significant effect on the parameters of the number of fruits plant, the wet weight of the plant, the wet weight of the roots, the dry weight of the roots, the percentage of mycorrhiza colonized roots and significant effect on the parameters of stem diameter, number of productive branches and fruit weight plant.

Pengaruh Jenis Mikoriza terhadap Pertumbuhan dan Hasil Beberapa Varietas Cabai Merah (Capsicum annuum L.) pada Tanah Andisol Lembah Seulawah Aceh Besar Muhammad Irfan Kamal; Syamsuddin Syamsuddin; Syafruddin Syafruddin
Jurnal Ilmiah Mahasiswa Pertanian Vol 5, No 2 (2020): Mei 2020
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh jenis mikoriza terhadap pertumbuhan dan hasil beberapa varietas cabai merah di tanah Andisol. Penelitian ini dilakukan pada bulan Mei hingga Oktober 2019 di Kecamatan Lembah Seulawah, Kabupaten Aceh Besar dan Rumah Kaca Fakultas Pertanian lalu analisis dilakukan di Laboratorium Ilmu dan Teknologi Benih dan Laboratorium Fisiologi Tumbuhan Fakultas Pertanian Universitas Syiah Kuala, Banda Aceh. Analisis data yang digunakan adalah Rancangan Acak Kelompok (RAK) pola faktorial 3 x 3 dengan 3 ulangan sehingga didapat 9 kombinasi perlakuan dengan 3 ulangan mencakup 27 unit percobaan. Faktor yang diteliti yaitu pupuk hayati jenis mikoriza yang terdiri dari 3 taraf (Glomus mosseae, Gigaspora sp. dan campuran antara Glomus mosseae and Gigaspora sp.) dan varietas yang terdiri dari 3 taraf (PM 999 F1, Lado F1, dan Perintis). Hasil penelitian ini adalah perlakuan jenis mikoriza berpengaruh terhadap parameter tinggi tanaman 15, 30 dan 45 HST, diameter batang 30 dan 45 HST, jumlah cabang produktif 60 HST, berat basah tanaman, berat kering tanaman, berat basah akar, berat kering akar, berat buah, panjang buah, jumlah buah, dan potensi hasil serta berpengaruh nyata terhadap diameter batang 15 HST dan persentase kolonisasi mikoriza. Effect of Mycorrhiza Type on Growth and Yields Several Varieties of Red Chili (Capsicum annuum L.) in Andisol Soil Seulawah Valley of Aceh Besar Abstract. This research aims to determine the effect of mycorrhiza type on the growth and yield several varieties of red chili on Andisol soil. This research was conducted from May to October 2019 in Lembah Seulawah District, Aceh Besar District and Greenhouse, and analysis was conducted at the Seed Science and Technology Laboratory and Plant Physiology Laboratory, Faculty of Agriculture, Syiah Kuala University, Banda Aceh. Analysis of the data used in this study was 3 x 3 Factorial Randomized Block Design with 3 replications so that 9 treatment combinations were obtained with 3 replications covering 27 experimental units. Factors studied were mycorrhiza biofertilizers consisting of 3 levels (Glomus mosseae, Gigaspora sp. And a mixture of Glomus mosseae and Gigaspora sp.) and varieties consisting of 3 levels (PM 999 F1, Lado F1, and Perintis). The results of this study are the treatment of mycorrhiza type has a very significant effect on plant height parameters 15, 30 and 45 DAP, stem diameter 30 and 45 DAP, number of productive branches 60 DAP, plant wet weight, plant dry weight, root wet weight, root dry weight, fruit weight , fruit length, number of fruits, and yield potential and also have a significant effect on stem diameter 15 DAP and percentage of mycorrhiza colonization.

Uji In Vitro Isolat Rizobakeri Asal Kecamatan Pegasing Kabupaten Aceh Tengah terhadap Pertumbuhan Patogen Phytophthora capsici Citra Muharram FB; Gina Erida; Syamsuddin Syamsuddin
Jurnal Ilmiah Mahasiswa Pertanian Vol 8, No 2 (2023): Mei 2023
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/jimfp.v8i2.24328

Penelitian ini bertujuan agar mengetahui pengaruh jenis isolat rizobakteri asal Kecamatan Pegasing Kabupaten Aceh Tengah terhadap pertumbuhan patogen Phytopthora capsici dan perannya sebagai pemacu pertumbuhan tanaman. Penelitian ini dilaksanakan di Laboratorium Ilmu dan Teknologi Benih Jurusan Agroteknologi Fakultas Pertanian dan Laboratorium Biologi FKIP Universitas syiah kuala, dilaksanakan mulai bulan Mei sampai Desember 2022. Rancangan yang digunakan pada penelitian ini ialah Rancangan Acak Lengkap (RAL) pola non faktorial terdiri dari 9 perlakuan isolat rizobakteri dengan 3 ulangan, sehingga diperoleh 27 satuan percobaan. Isolat rizobakteri PM 6/3 memiliki kemampuan daya hambat terbaik dengan nilai 85,77% dan mempunyai laju penghambatan pertumbuhan koloni patogen terbaik dengan nilai 0,31 mm . Semua isolat rizobakteri yang diuji tidak mampu menghasilkan senyawa HCN yang ditandai dengan kertas saring tidak mengalami perubahan warna. Isolat rizobakteri PM 7/1 memiliki kemampuan memproduksi hormon IAA tertinggi dengan nilai 0,62 µg mI . Semua isolat rizobakteri yang diuji berpotensi melarutkan fosfat (P) yang ditandai dengan terbentuknya zona beningn (halozone) disekitar suspensi yang berisi isolat rizobakteri. Jenis isolat rizobakteri yang diuji mampu bereaksi gram positif PM 6/1, PM 6/2, PM 6/3, PM 8/1, PM 8/2 dan PM 8/3, serta isolat rizobakteri PM 7/1, PM 7/2 dan PM 7/3 bereaksi gram negatif.In Vitro Test of Rhizobacteria Isolate from Central Aceh District on Growth of Pathogen Phytophthora capsiciThe aim of this research was to determine the effect of the type of rhizobacterial isolate from Pegasing District, Central Aceh Regency on the growth of the pathogen Phytopthora capsici and its role as a promoter of plant growth. This research was conducted at the Laboratory of Seed Science and Technology, Department of Agrotechnology, Faculty of Agriculture and the Biology Laboratory of FKIP, University of Syiah Kuala, from May to December 2022.This study used a completely randomized design (CRD) with a non factorial pattern consisting of 9 treatments of rhizobacterial isolates with 3 replications, resulting in 27 experimental units. Isolate rhizobacteria PM 6/3 had the best inhibition ability with a value of 85.77% and had the best inhibition rate of growth of pathogenic colonies with a value of 0,31 mm . All rhizobacterial isolates tested were unable to produce HCN compounds which were marked on filter paper that did not change color. Isolate rhizobacteria PM 7/1 had the highest ability to produce IAA hormone with a value of 0,62 µg mI . All rhizobacterial isolates tested had the potential to dissolve phosphate (P) which was indicated by the formation of a clear zone around the suspension containing rhizobacterial isolates. The types of rhizobacterial isolates tested were able to react gram positively to PM 6/1, PM 6/2, PM 6/3, PM 8/1, PM 8/2 and PM 8/3, as well as rhizobacterial isolates PM 7/1, PM 7/ 2 and PM 7/3 react gram negatively.

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