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All Journal JERAMI Indonesian Journal of Crop Science JURNAL AGROTEKNOSAINS Jagur: Jurnal Agroteknologi
Susilawati Barus
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Agriculture, Biological Sciences & Forestry

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The Effect of Shallot Bulbs Storage Duration and Paclobutrazol Treatments to Disease Attacks on Shallot Plant in Karo Highlands Rasiska Tarigan; Fatiani Manik; Susilawati Barus
JERAMI : Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.772 KB) | DOI: 10.25077/jijcs.1.2.8-15.2019

Abstract

A major challenge in the development of shallot seeds is the limited availability of qualified seed due to pathogen infection during the vegetative phase. The study aims to determine the effect of storage duration and paclobutrazol (PBZ) treatment to the resistance of shallots crop. The study was conducted at the Berastagi Experimental Fields, Vegetable Crops Research Institute in February to May 2017. The experiment was arranged by randomized block design with two factors. The first factor is bulbs storage duration, which is without storage and stored for 2 months. The second factor is PBZ treatment with levels ie 0, 0.5. 1, 1.5 and 2 mL/L. The observation parameters are the diseases percentage, diseases intensity, roots number, and roots length. The results showed that the shallot bulbs that singly stored had a significant effect on the diseases caused by Peronospora destructor, Alternaria porri, and Fusarium wilt with low percentage category. The PBZ treatment had not significant effect on all observation variables, but the interaction with 2 months storage duration had effect on root length at 60 days after planting (DAP).
RESPON BEBERAPA JENIS KOMPOS DAN POC TERHADAP PERTUMBUHAN DAN HASIL KUBIS Agustina E Marpaung; Bina Br Karo; Susilawati Barus
JURNAL AGROTEKNOSAINS Vol 2, No 2 (2018): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v2i2.145

Abstract

Cabbage are one of the vegetable plants that have extensive planting centers in Karo Regency. Currently almost 100% of farmers still use chemical fertilizers in cabbage cultivation. To keep the soil in good condition, it is very necessary to provide organic fertilizer, both in solid and liquid forms which can keep the chemical, physical and biological properties of the soil good. Therefore a study was conducted which aimed to obtain the right type of compost and liquid organic fertilizer to increase cabbage growth and production. The research was carried out at the Berastagi Experimental farm with andisol soil types, altitude of 1,340 m asl. The activity began in July - September 2018. The study used factorial Randomized Block Design (RBD) with 3 replications. The first factor is the type of compost (K0. Comparator = chicken manure), K1. Cow manure + Chicken manure (1:1) fermentation with EM liquid, K2. Cow manure + Chicken manure (1:1) fermentation with solid bran EM, K3. Cow manure + Chicken manure (1:1) fermentation with solid bran EM and kernel and K4. Cow manure + Chicken manure (1:1) enriched with microorganisms). The second factor is the type of Liquid Organic Fertilizer/LOF (O0. Without LOF, O1. LOF Krinyu + kernel, O2. LOF Krinyu + cow urine + seaweed and O3. LOF Comparator). The results showed that the chicken manure compost was able to increase the growth of cabbage plants. Giving chicken manure compost yields the highest weight and cabbage crop 18.42 cm and 1.53 kg, followed by the Cow manure + Chicken manure (1: 1) enriched with microorganisms accompanied by LOF Krinyu + cow urine + seaweed, ie 18 , 38 cm and 1.30 kg. Giving chicken manure compost produced a significantly higher production, which was 6.99 kg.
RESPON PEMANFAATAN PUPUK ORGANIK IKAN TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KUBIS Bina Beru Karo; Agustina E Marpaung; Susilawati Barus
JURNAL AGROTEKNOSAINS Vol 2, No 2 (2018): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v2i2.146

Abstract

Fish organic fertilizer has a high nutrient content for plants. Giving organic fish fertilizer to cabbage can increase the growth and production of cabbage. This study aims to determine the way and the right dose of organic fish fertilizer in cabbage plants. This research was conducted at Berastagi experimental farm which began in June - September 2018. The experimental design used was a Randomized Block Design factorial with 3 replications, where the first factor is the type of Fish organic fertilizer (I1. Dry and I2. Fermentation). The second factor is the dose of fish organic fertilizer (D0. 0, D1. 300 kg / ha, D2. 600 kg / ha, D3. 900 kg / ha and D4. 1200 kg / ha). The results showed that the fish organic fertilizer with types dried and fermented were not different significant in increasing the growth and production of cabbage plants. The dose of fish organic fertilizer can increase the growth and production of cabbage plants. Giving 1,200 kh / ha of fish fertilizer yields the highest diameter of crop, crop weight and production, ie 14.83 cm, 0.64 kg and 30.36 kg / 5 m2. There is no interaction between type and dose of fish organic fertilizer on the growth and production of cabbage plants.
RESPON PERTUMBUHAN VEGETATIF DAN GENERATIF WORTEL TERHADAP PEMBERIAN DOSIS DARI BERBAGAI JENIS PUPUK KANDANG Rina C. Hutabarat; Susilawati Barus
JURNAL AGROTEKNOSAINS Vol 2, No 2 (2018): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v2i2.151

Abstract

Carrots are horticultural plants that have high economic value opportunities because every year the demand for carrots both domestically and abroad needs to increase continuously, but not maximum productivity due to the provision of organic fertilizers that are not balanced with chemical fertilizers in the soil. The research objective was to obtain animal manure fertilizer with the best dosage of fertilizer for growth and yield of carrots as an alternative to mixing chicken manure. The study was carried out in the berastagi experimental garden in February to May 2018. The experiment was arranged based on a 2-factor complete randomized trial design namely: the first factor is the type of organic animal waste pesticides consisting of H0 = Control / without treatment, H1 = chicken manure, H2 = cow / cow dung, H3 = horse manure and H4 = goat manure. The second factor is the level / dose used, namely K0 = control, K1 = 500 g / 2 m2, K2 = 1000/2 m2 repeated 3 times. Carrot samples per plot of 200 tubers. The observed variables:) Percentage of living plants (60 days), 2) Number of Compound Leaves, 3) Plant Height, 4) Wet yield weight per plot (kg) and 5) Root tuber length (cm). The results showed that the administration of organic fertilizer from cow manure had a significant effect on all parameters, namely growth percentage, plant height, yield weight and root tuber length. The dose of animal manure organic fertilizer is ideal for growth and production of carrots, which is 500 gr / 2 m2.
Respon Ukuran Benih dan Benih yang Berasal dari Pemakaian Paclobutrazol terhadap Pertumbuhan dan Produksi Benih Kentang G4 (Solanum tuberosum) Varietas Granola Agustina E Marpaung; Bina Karo; Susilawati Barus; Kuswandi Kuswandi
JURNAL AGROTEKNOLOGI UNIVERSITAS ANDALAS Vol 3 No 1 (2019)
Publisher : Program Studi Agroteknologi Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jagur.3.1.1-7.2019

Abstract

The use of quality seeds increase productivity and competitive the success of a potato agribusiness. This study aims to determine the influence of seed size and seed origin paclobutrazol use of growth and production of potato seeds. The research conducted in Berastagi experimental farm, Karo regency, with type of the soil is andisol and altitude of 1,340 m asl. The research was beginning from February to May 2017. The design was used randomize block factorial with 2 replication. The first factor is the size of the seed (U1. small 25 g, U2. medium > 25 - 65 g and U3. large > 65 g). The second factor is the seed origin paclobutrazol use (P0. Control, P1. 7 WAP 250 ppm, P2. 7 WAP 500 ppm, P3. 8 WAP 250 ppm, P4. 8 WAP 500 ppm, P5. 9 WAP 250 ppm, P6. 9 WAP 500 ppm, P7. 10 WAP 250 ppm and P8. 10 WAP 500 ppm. The results showed that large seed size (> 65 g) was more important increasing vegetative growth of potato (plant height and canopy width, leaf area and number of tillers). The seed origin of paclobutrazole given at 8 WAP with dose 250 and 500 ppm have higher crop growth. The highest percentage of total seeds per plot is obtained by using medium size seed with use paclobutrazol 8 WAP 500 ppm (84.22%). Production of potato per plant and per plot was obtained by using medium seeds derived from the use of paclobutrazol 7 WAP 250 ppm (1.15 kg and 13.79 kg).
Co-Authors Agustina E Marpaung Bina Beru Karo Bina Br Karo Bina Karo Fatiani Manik KUSWANDI KUSWANDI Rasiska Tarigan Rina C. Hutabarat