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Journal : Journal of Agro Complex

Aplikasi beberapa jenis pupuk organik cair terhadap pertumbuhan dan produksi tanaman cabai rawit (Capsicum frutescens l.) Asri Nur Fitriningtyas; Sutarno Sutarno; Eny Fuskhah
Journal of Agro Complex Vol 3, No 1 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (151.45 KB) | DOI: 10.14710/joac.3.1.32-39

Abstract

ABSTRAK  Penelitian ini bertujuan untuk mengetahui jenis pupuk organik cair dan interval waktu pemberian yang tepat guna mendapatkan hasil pertumbuhan dan produksi tanaman cabai rawit yang baik. Penelitian menggunakan rancangan acak lengkap pola faktorial 4x3 dengan faktor pertama jenis pupuk P1: Urin kelinci, P2: Urin sapi, P3: Bio extrim, P4: Biofarm dan faktor kedua interval waktu pemberian pupuk T1: 5 hari sekali, T2: 10 hari sekali, T3: 15 hari sekali. Masing-masing perlakuan diulang sebanyak 3 kali. Analisis data yang digunakan yaitu analisis ragam (ANOVA) dan dilanjut dengan uji Duncan’s Multiple Range Test (DMRT)taraf 5%. Parameter yang diamati adalah tinggi tanaman, jumlah daun, jumlah buah per tanaman, dan berat buah per tanaman. Hasil penelitian menunjukkan bahwa pupuk Bio extrim memberikan hasil tertinggi pada semua parameter dan diikuti oleh pupuk urin kelinci. Interval waktu pemberian pupuk 5 hari sekali dapat meningkatkan tinggi tanaman cabai rawit. Kata kunci: cabai rawit, pupuk organik cair, interval waktu pemberian ABSTRACT  This research aims to determine the suitable type of liquidorganic fertilizers and the corrected application to maximize the growth and productions of cayenne pepper.This experiment used a completely randomized factorial design 4x3 with 3 replications. The first factor was the types of fertilizers P1: Rabbit urine, P2: Cow urine, P3: Bio extrim, P4: Biofarm and the second factor was the interval of fertilizer application T1: 5 days, T2: 10 days, T3: 15 days. The data analysis used analysis of variance (ANOVA) and continued with Duncan’s Multiple Range Test (DMRT) of 5%. The parameters of the observation were the height of plants, number of leaves, number of fruits, and weight of fruit per plant. The result shows that Bio extrim gave the highest result in all parameters and than followed by rabbit urine. The interval of 5 days fertilizer gave the best result on the parameters of plant’s height. Keywords: cayenne pepper, organic liquid fertilizer, interval of fertilizeraplication 
Produksi kacang tanah (Arachis hypogaea L. Var. Takar) pada perbedaan waktu inokulasi Rhizobium sp. dan pemberian berbagai mulsa organik di lahan salin Hafidz Fikri Asyari; Eny Fuskhah; Endang Dwi Purbajanti
Journal of Agro Complex Vol 3, No 3 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.338 KB) | DOI: 10.14710/joac.3.3.174-183

Abstract

Tujuan penelitian adalah mengkaji waktu inokulasi terbaik dan pemberian berbagai jenis mulsa organik terhadap produksi kacang tanah (Arachis hypogaea L. Var. Takar) pada lahan salin dengan tingkat salinitas 6,4 dS/m. Penelitian kali ini dilaksanakan di Desa Bulakbaru, Kecamatan Kedung, Kabupaten Jepara. Rancangan yang digunakan adalah RAK Faktorial 4 x 3 dengan 3 kelompok. Faktor pertama adalah perbedaan waktu inokulasi Rhizobium sp. yaitu T0: tanpa inokulasi, T1: inokulasi saat tanam, T2: inokulasi 7 HST, dan inokulasi 14 HST. Faktor kedua adalah berbagai jenis mulsa organik yaitu R0: tanpa mulsa organik, R1: mulsa organik jerami padi, dan R2: mulsa organik sekam padi. Parameter yang diamati adalah tinggi tanaman, jumlah daun, jumlah polong per petak, bobot polong per petak, jumlah biji per petak, jumlah bintil akar dan bobot 100 biji. Hasil penelitian menunjukkan bahwa R1 menunjukkan peningkatan rerata tinggi tanaman sebesar 62,1 cm dan T1 menunjukkan rerata jumlah bintil akar tertinggi sebesar 1,86/tanaman. Tidak ada pengaruh dan interaksi pad parameter lain. Kesimpulan yang diperoleh adalah mulsa organik jerami mampu meningkatkan tinggi tanaman dan waktu inokulasi saat tanam dapat meningkatkan jumlah bintil akar di lahan dengan tingkat salinitas 6,4 dS/m. Kata kunci : kacang tanah, salinitas, rhizobium sp, mulsa organik. 
Pertumbuhan dan produksi tanaman sawi (Brassica juncea l.) akibat pemberian pupuk urin kelinci dengan jenis dan dosis pemberian yang berbeda Khilmi Nur Cholisoh; Susilo Budiyanto; Eny Fuskhah
Journal of Agro Complex Vol 2, No 3 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.2.3.275-280

Abstract

The aim of this research was to observe the effect of abbit urine fertilizer based on Local Microorganism (LoM) with different type and dosage on growth and production of mustard. The research was conducted on 2nd June to 31st August 2017 at Greenhouse of Faculty of Animal and Agricultural Science Diponegoro University, Semarang. The research was design at 3x3 factorial design with 3 replications for each. The first factor was different type of rabbit urine fertilizer .ie. non fermented rabbit urine fertilizer (A1), rabbit urine fertilizer fermented of LoM glutinous tapai (A2), rabbit urine fertilizer fermented of LoM cassava tapai (A3) and the second factor was N dosage .ie. 150 kg/Ha (B1), 175 kg/Ha (B2), and 200 kg/Ha (B3). The observed parameters were plant N uptake, plant height, fresh weight production and dry weight production. The results of the study showed that the type and dosage of rabbit urine fertilizer did not affect of the growth and the production of mustard because the amount of N that can be utilized by the plant was relatively similar, probably due to the low C/N ratio causing the relative N easily to lose because of evaporation and the leaching process. It can be concluded that rabbit urine fermented and non fermented with different of dosage did not give significant effect on growth and production of mustard. Therfore, it is more advantageous to use non fermented rabbit urine fertilizer with 150 kg/ha dosage because of time saving and lower cost. Keywords : mustard, rabbit urine, Local Microorganism (LoM), tapai, dosage.
Pengendalian penyakit hawar (lateblight) pada Kentang (Solanum tuberosum L.) melalui penerapan solarisasi tanah dan aplikasi agen hayati Trichoderma harzianum Eirene Brugman; Endang Dwi Purbajanti; Eny Fuskhah
Journal of Agro Complex Vol 1, No 2 (2017)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (193.775 KB) | DOI: 10.14710/joac.1.2.31-38

Abstract

The purpose of the research was to assess the effectiveness of soil solarization and biological agent Trichoderma harzianum application in controlling lateblight disease caused by Phytophthora infestans on potato. The experiment was assigned in a split plot design with soil solarization as main plot and the density of Trichoderma harzianum as sub-plot. Soil solarization treatment consisted of solarization (A1) and non-solarization (B1). Density of Trichoderma harzianum used is B1(control)= 0g, B2 = 10g (107 cfu/l), B3 = 20g (2 x 108 cfu/l), B4 = 30g (3 x 108 cfu/l) and B5 = 40 g (4 x 108 cfu/l). Soil solarization treatment is carried out by using transparent polyethylene sheets with a thickness of 45 µm. Parameters measured were soil temperature, intensity level of pathogen attack, the rate of infection and total yield. Data were subjected to ANOVA and followed by LSD test. Soil solarization for 4 weeks increase the soil temperature by 7,6oC and significantly increase the production of potato by 14.28%. Application of biological agent Trichoderma harzianum on level B4 30g (3 x 108 cfu /L) gives the best results in reducing the the intensity level of pathogen attack by 69.13% and the rate of disease infection into 1,012 unit/day. The results of this research may provide benefical information in the future for plant protection activities.   Keywords : P.infestans, Trichoderma harzianum, soil solarization, potato
Karakteristik fotosintesis dan produksi kedelai (Glycine max l. Merrill) akibat salinitas air penyiraman yang berbeda Ria Safitri; Eny Fuskhah; Karno Karno
Journal of Agro Complex Vol 2, No 3 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.2.3.244-247

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The aim of this research was to determine the effect of water saliny of watering up to 6 mmhos/cm on the characteristic of photosynthesis and soybean (Glycine max L. Merrill) production. The experiment was conducted in research field and Ecology and Plant Production Laboratory and Physiology and Breeding Plant Laboratory, Faculty of Animal and Agricultural Sciences, Diponegoro University, Semarang. The research method was a randomized block design with 6 treatments and 4 replications. The treatments were L0 = watering using fresh water (control), L1 = watering water saline with EC 2 mmhos/cm, L2 = watering water saline with EC 3 mmhos/cm, L3 = watering saline water with EC 4 mmhos/cm, L4 = watering saline water with EC 5 mmhos/cm, L5 = watering water saline with EC 6 mmhos/cm. The parameters observed were chlorophyll index, total leaf area, Net Assimilation Rate (LAB), leaf weight, stem weight, leaf and stem ratio, dry matter/100 seed, seed production/plot. The results showed that the watering treatment of up to 6 mmhos/cm had no significant effect on all parameters observed. Keywords: watering, salinity, photosynthesis, production, soybean.
Efektivitas penambahan hormon auksin (IBA) dan sitokinin (BAP) terhadap sambung pucuk Alpukat (Persea americana mill.) Pramudito Pramudito; Karno Karno; Eny Fuskhah
Journal of Agro Complex Vol 2, No 3 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.2.3.248-253

Abstract

The purpose of this research was to study the effect of hormone Auxin (IBA) and sitokinin (BAP) and the most effective concentration in graftingof avocado variety mentega. The experiment used completely randomized factorial design. The first factor was various concentrations of IBA (0, 100, and 200 ppm) and the second factor was various concentrations of BAP (0, 100, and 200 ppm). Each treatment was repeated five times. Parameters were time of shoots emergence, shoot length, diameter shoot diameter, and the number of leaves. The data were subjected to analysisof variance and continued by DMRT (Duncan Multiple Range Test). The result showed that the level of IBA concentration gave significant effect (P<0,05) to time of shoot emergence, shoot length, shoot diameter, and the number of leaves. Level of BAP concentrations gavesignificant effect (P<0,05) to number of leaves. There was no interaction between type of auxin and concentration on grafting of avocado variety mentega. Keywords : Avocado, Persea americana, wedge grafting, IBA, BAP.
Pengaruh solarisasi tanah dan pemberian dosis Trichoderma harzianum dalam pengendalian penyakit layu fusarium pada cabai (Capsicum annum L.) Varida Risma Wati; Yafizham Yafizham; Eny Fuskhah
Journal of Agro Complex Vol 4, No 1 (2020): JOAC Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.4.1.40-49

Abstract

ABSTRACT This research was conducted to determine the effectiveness of the application of soil solarization and the dosage of Trichoderma harzianum in controlling fusarium wilt. This research was arranged using factorial CRD 2 x 4 treatments and 4 replications. The first factor is soil solarization treatment consisting of S0 = without solarization and S1 = solarization for 4 weeks, the second factor is dose of Trichoderma harzianum which consists of A0 = 0 g / l, A1 = 25 g / l, A2 = 50 g / l and A3 = 75 g / l. Data were analysed using descriptive statistic and analysis of variance (ANOVA) and if there was significant it was followed by DMRT (α = 5%). The results showed that solarization can increase soil temperature by 20.98% or 8.5oC, and there was an interaction between solarization and the dose of Trichoderma harzianum to reduce the percentage of disease incidence and disease intensity of fusarium wilt. Addition of doses Trichoderma harzianum 50 g / l can increase chili production by 63.56%. Soil solarization and dose of T. harzianum 50 g / l are effective in controlling fusarium wilt and able to increase chili production.Keywords : Fusarium oxysporum, soil solarization, Trichoderma harzianum, chili. ABSTRAK Tujuan dari penelitian ini adalah untuk mengetahui keefektifan penerapan solarisasi tanah dan dosis Trichoderma harzianum dalam mengendalikan penyakit layu fusarium. Penelitian ini disusun menggunakan RAL faktorial 2 x 4 perlakuan dan 4 ulangan. Faktor pertama adalah perlakuan solarisasi tanah yang terdiri dari S0 = Tanpa solarisasi dan S1 = Solarisasi selama 4 minggu, faktor kedua adalah dosis Trichoderma harzianum yang terdiri dari A0 = 0 g/l, A2 = 25 g/l, A3 = 50 g/l dan A4 = 75 g/l. Analisis data penelitian dilakukan secara deskriptif dan analisis ragam (ANOVA), apabila berpengaruh nyata dilanjutkan dengan uji DMRT taraf α =5%. Hasil penelitian menunjukkan bahwa solarisasi dapat meningkatkan suhu tanah sebesar 20,98% atau 8,5oC, dan terdapat interaksi antara solarisasi dengan dosis T. harzianum terhadap penurunan persentase kejadian penyakit dan intensitas serangan penyakit layu fusarium. Penambahan dosis Trichoderma harzianum 50 g/l sudah dapat meningkatkan produksi cabai sebesar 63,56%. Solarisasi tanah dan dosis T. harzianum 50 g/l efektif dalam mengendalikan penyakit layu fusarium dan meningkatkan produksi cabai.Kata kunci : Fusarium oxysporum, solarisasi tanah, Trichoderma harzianum, cabai.
Pengaruh pemberian kompos tablet diperkaya mineral dan Trichoderma sp. terhadap produktivitas bawang merah (Allium ascalonicum) Zakiyuddin Ahmad; Chintya Ramadhani; Chintia Damayani Peranginangin; Eny Fuskhah
Journal of Agro Complex Vol 4, No 2 (2020): JOAC Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.4.2.143-147

Abstract

ABSTRACT  The objective of this research was to study growth and the production of shallots plants through the treatment of mineral-enriched compost and Trichoderma sp. This research was conducted in March-May 2019 in the greenhouse and Laboratory of Ecology and Plant Production, Faculty of Animaland Agricultural Science, Diponegoro University, Semarang. The research design used completely randomized design monofactor 6 treatments and 4 replied with the dosage of fertilizer namely P0: without fertilizer application, P1: NPK fertilizer 250 kg/ha, P2: 5 ton/ha, P3: 10 tons/ha, P4: 15 tons/ha, and P5: 20 ton/ha. The parameters observed were plant height, number of leaves, number of tubers, tuber diameter, tuber dry weight, weight of shallot plant canopy, and the intensity of disease attacks. The results showed the tablet compost enriched with minerals and Trichoderma sp. did not affect the growth of plant height, number of leaves, and diameter of onion tuber. But the tablet compost enriched with minerals and Trichoderma sp. affect the number of tubers, canopy dry weight, and tuber dry weight. Conclusion, tablet of compost enriched mineral and Trichoderm sp. fungi with dose of 20 tons/ha able to have same growth of onion plant than NPK anorganic treatment, then able to increase 34% of tuber numbers, increase 40% canopy dry weight, increase 52,5% tuber dry weight than NPK anorganic treatment. In addition, compost tablets enriched with doses of 5 tons/ha, 15 tons/ha and 20 tons/ha can against the attack of Fussarium wilt on onion plant. Keywords: onion, compost, growth, production, vitamin C. ABSTRAK   Penelitian ini bertujuan untuk mengkaji pertumbuhan dan hasil produksi tanaman bawang merah melalui perlakuan pemberian pupuk kompos diperkaya mineral dan Trichoderma sp. Penelitian ini dilaksanakan pada bulan Maret-Mei 2019 di greenhouse dan Laboratorium Ekologi dan Produksi Tanaman, Fakultas Peternakan dan Pertanian Universitas Diponegoro, Semarang. Penelitian disusun menggunakan rancangan acak lengkap monofaktor 6 perlakuan dan 4 ulangan dengan perlakuan P0: tanpa pemberian pupuk, P1: Pupuk NPK mutiara 250 kg/ha, P2: 5 ton/ha, P3: 10 ton/ha, P4: 15 ton/ha, dan P5: 20 ton/ha. Parameter yang diamati adalah tinggi tanaman, jumlah daun, jumlah umbi, diameter umbi, berat kering umbi, dan berat tajuk tanaman bawang merah, serta intensitas serangan penyakit. Hasil penelitian menunjukan perlakuan pemberian pupuk kompos tablet diperkaya mineral dan Trichoderma sp. tidak mempengaruhi pertumbuhan tinggi tanaman, jumlah daun, dan diameter umbi bawang merah. Namun pemberian pupuk kompos tablet diperkaya mineral dan Trichoderma sp. mempengaruhi jumlah umbi, bahan kering tajuk, bahan kering umbi dan kandungan vitamin C.Kesimpulan dari percobaan ini adalah bahwa pemberian pupuk kompos tablet diperkaya mineral dan Trichoderma sp. dengan dosis 20 ton/ha mampu menghasilkan pertumbuhan tanaman bawang merah yang setara dengan pemberian pupuk anorganik NPK, bahkan mampu meningkatkan 34% jumlah umbi, meningkatkan 40% berat kering tajuk, meningkatkan 52,5% berat kering umbi daripada perlakukan pupuk anorganik NPK. Pupuk tablet kompos diperkaya dengan dosis 5 ton/ha, 15 ton/ha dan 20 ton/ha mampu menurunkan intensitas serangan penyakit layu Fussarium pada tanaman bawang merah. Kata Kunci: bawang merah, kompos, pertumbuhan, produksi, vitamin C
Respon pertumbuhan dan produksi tanaman kedelai (Glycine max L.) pada berbagai dosis dan jenis pupuk organik Nur Zahrotun; Yafizham Yafizham; Eny Fuskhah
Journal of Agro Complex Vol 3, No 1 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (49.499 KB) | DOI: 10.14710/joac.3.1.9-14

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ABSTRAK  Penelitian bertujuan untuk mengkaji pengaruh interaksi antara dosis dan berbagai jenis pupuk organik terhadap pertumbuhan dan produksi tanaman kedelai. Penelitian telah dilaksanakan pada bulan Mei – Agustus 2017 di Lahan Percobaan dan Laboratorium Ekologi dan Produksi Tanaman, Fakultas Peternakan dan Pertanian, Universitas Diponegoro, Semarang. Penelitianmenggunakan Rancangan Acak Lengkap (RAL) Faktorial 2 x 5 dengan 3 ulangan. Faktor pertama adalah dosis pupuk yaitu D1 : 50 kg P/ha dan D2 : 100 kg P/ha. Faktor kedua adalah jenis pupuk yaitu J0 : SP-36, J1 : bioslurry, J2 : kotoran sapi, J3 : kotoran kambing dan J4 : kotoran ayam. Parameter yang diamati adalah tinggi tanaman, jumlah daun, jumlah polong total dan bobot 100 biji. Data dianalisis menggunakan analisis ragam dan apabila terdapat pengaruh nyata dilanjutkan dengan Uji Duncan Multiple Range Test (DMRT) taraf 5%. Hasil penelitian menunjukkan bahwa jenis pupuk kotoran kambing mampu meningkatkan pertumbuhan dan produksi tanaman kedelai paling tinggi dibandingkan dengan pupuk kotoran ayam, kotoran sapi, bioslurry dan SP-36 dengan dosis pupuk 50 kg P/ha. Kata kunci : kedelai, pupuk organik, pupuk SP-36.ABSTRACT The research aimed was to study the interaction between dosages and kinds of organic fertilizer on growth and yield of soybean. The research was conducted in May - August 2017 at Experimental Field and Ecology and Plant Production Laboratory, Faculty of Animal and Agriculture, Diponegoro University, Semarang. The research design used completely randomized design with factorial design 2 x 5 with 3 replications. The first factor were organic fertilizer dosages D1 : 50 kg P/ha and D2 : 100 kg P/ha. The second factors were kind of organic fertilizers J0 : SP-36, J1 : bioslurry, J2 : cow manure, J3 : goat manure, and J4 : chicken manure. The parameters observed were plant height, number of leaves, total number of pod, and 100 seeds weight. Data analyzed using analysis of variance and using Duncan Multiple Ranged Test on alpha 5%. The result showed that the goat manure fertilizer can increase the growth and production of soybean plant is highest compared with chicken manure, cow manure, bioslurry and SP-36 with dosage of 50 kg P/ha. Keywords : soybean, organic fertilizer, fertilizer SP-36.
Pengaruh waktu pemangkasan pucuk dan sisa buah setelah penjarangan terhadap hasil produksi tanaman semangka (Citrullus vulgaris schard) Anita Dwi Yuriani; Eny Fuskhah; Yafizham yafizham
Journal of Agro Complex Vol 3, No 1 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.003 KB) | DOI: 10.14710/joac.3.1.55-64

Abstract

ABSTRACT  The objective of this research was to know growth and the production of watermelon plants through the treatment of pruning time on shoots and the amount of residual fruit after thinning. The research was carried out on Klaten Watermelon Clay, located in Genukan Village, Wedi Sub-district, Klaten District, and at the Laboratory Chemistry and Food Nutrition Faculty of Animal and Agricultural Sciences, Diponegoro University from February to May 2017. The research was arranged using completely randomized factorial design with the first factor being shoot pruning time (P1 = no trimming, P2 = 3rd week, P3 = 6th week, P4 = 3rd and 6th week) and the second factor was the rest of the fruit after thinning (Q1 = without thinning, Q2 = thinning leaves 1 piece, Q3 = thinning leaves 2 pieces). The results showed the treatment of pruning of shoots and the remaining fruit after spacing did not affect the growth plant height and number of leaves watermelon until 8th week. However pruning of shoots 3rd week and 6th week can affect fruit diameter, fresh fruit weight, and fruit sugar levels. Treatment of the remaining fruit after the spacing is pruned 2 pieces affect the diameter of fruit and fresh weight of fruit while the rest of the fruit after spacing is purned 1 pieces fruit affect the fruit sugar levels. Keywords: watermelon, pruning, thinning, production ABSTRAK  Penelitian bertujuan untuk mengetahui pertumbuhan dan hasil produksi tanaman buah semangka melalui perlakuan waktupemangkasan pada pucuk dan jumlah sisa buah setelah penjarangan. Penelitian ini dilaksanakan pada di lahan Sahabat Semangka Klaten, yang terletak di Desa Genukan, Kecamatan Wedi, Kabupaten Klaten, dan di Laboratorium Kimia dan Gizi Pangan Fakultas Peternakan dan Pertanian Universitas Diponegorodari bulan Juli - September2017. Penelitian disusun menggunakan rancangan acak lengkap factorial dengan faktor pertama adalah waktu pemangkasan pucuk (P1 = tanpa pemangkasan, P2 = minggu ke 3, P3 = minggu ke 6, P4 = minggu ke 3 dan 6) danfaktor kedua adalah sisa buah setelah penjarangan (Q1 = tanpa penjarangan, Q2 = penjarangan disisakan 1 buah, Q3 = penjarangan disisakan 2 buah). Hasil penelitian menunjukan perlakuan pemangkasan pucuk dan sisa buah setelah penjarangan tidak mempengaruhi pertumbuhan tinggi tanaman dan jumlah daun semangka sampai minggu ke 8. Namun pemangkasan pemangkasan pucuk minggu ke 3 dan 6 mempengaruhi diameter buah, bobot segar buah, dan kadar gula buah. Perlakuan sisa buah setelah penjarangan yang dijarangkan 2 buah mempengaruhi diameter buah dan bobot segar buah sedangkan sisa buah setelah penjarangan yang dijarangkan 1 buah mempengaruhi kadar gula buah.Kata Kunci: semangka, pemangkasan, penjarangan, produksi