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CROP AGRO, Scientific Journal of Agronomy
Published by Universitas Mataram
ISSN : 19788223     EISSN : 26215748     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal ilmiah yang diterbitkan oleh Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Mataram yang memuat tulisan berupa hasil penelitian yang terkait dengan bidang budidaya tanaman, terbit enam bulan sekali. Redaksi menerima naskah dalam bahasa Indonesia atau Inggris.
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PERTUMBUHAN DAN HASIL TANAMAN KACANG HIJAU (VIGNA RADIATA L.) YANG DITANAM DENGAN JARAK TANAM DAN DOSIS PUPUK PHONSKA YANG BERBEDA DI LAHAN KERING Sihabuddin1, I Komang Damar Jaya2, dan I Nyoman Soemeinaboedhy2
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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ABSTRAK Penelitian ini bertujuan untuk mengetahui pertumbuhan dan hasil tanaman kacang hijau yang dipengaruhi oleh jarak tanam dan dosis pupuk phonska yang berbeda di lahan kering. Penelitian ini telah dilaksanakan di di Dusun Amor-amor Desa Gumantar, Kecamatan Kayangan, Kabupaten Lombok Utara, Provinsi Nusa Tenggara Barat pada bulan September sampai November 2015. Rancangan yang digunakan dalam percobaan ini adalah Rancangan Acak Kelompok (RAK) yang terdiri atas dua faktor yang disusun secara faktorial. Pertama faktor jarak tanam yang terdiri atas 2 perlakuan yaitu : j1 = jarak tanam 20 x 20 cm, j2 = jarak tanam 20 x 40 cm; dan kedua faktor dosis pupuk Phonska yang terdiri atas 4 perlakuan yaitu : d1 = dosis pupuk 50 kg/ha, d2 = dosis pupuk 100 kg/ha, d3 = dosis pupuk 200 kg/ha, dan d4 = dosis pupuk 200 kg/ha. Setiap perlakuan diulang 3 kali sehingga diperoleh 24 petak percobaan. Hasil penelitian menunjukkan bahwa jarak tanam (J) dan dosis pupuk (D) berinteraksi dalam mempengaruhi variabel jumlah daun umur 6 MST, jumlah cabang produktif, warna daun umur 6 MST, berat 1000 biji dan berat biji per polong. Faktor jarak tanam (J) berpengaruh terhadap variabel berat biji per petak, tinggi tanaman umur 2 MST, warna daun 5 MST dan 7 MST, jumlah polong, dan jumlaht biji per polong. Faktor dosis pupuk (D) berpengaruh terhadap variabel jumlah polong, biomassa basah gulma dan biomassa kering gulma. ABSTRACT This study aimed to determine the growth and yield of green beans that were influenced by spacing and fertilizer application rates in dry land. The experiment was conducted at Amor- amor Gumantar - Kayangan, Northern Lombok, West Nusa Tenggara, from September to November 2015. Experiment design used in this experiment was Randomized Block Design (RBD ), which consisted of two factors arranged as factorial. The first factor was spacing consisted of two treatments, namely: j1= spacing of 20 x 20 cm, j2= 20x40 cm. The second factor was Phonska fertilizers rate application consisting of four treatments, namely: d1= dosages of 50 kg/ha, d2= dosages of 100 kg/ha, d3= dosages of 200 kg/ha, and d4= dosages of 200 kg/ha . Each treatment was repeated three times to obtain 24 experimental plots. The results show that spacing (J) and fertilizers (D) interacted in influencing number of leaf at 6 weeks after sowing (was), the number of productive branches, at 6 was, leaf color, 1000 seeds weight, and seed weight per pod. Planting distance (J) had effects on seed weight per plot, plant height at 2 was, the color of the leaves at 5 and 7 was, number of pods and number of seeds per pod. Dosage of fertilizer (D) had effect on number of pods, fresh and dry weight of weeds.
PERTUMBUHAN DAN HASIL TANAMAN KACANG TANAH (ARACHIS HYPOGAEA L.) VARIETAS HYPOMA 1 DI LAHAN KERING DENGAN PEMBERIAN BERBAGAI JENIS PUPUK Hatma Anggraini Amalia; Sudirman Sudirman; Akhmad Zubaidi
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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Abstract

ABSTRAK Penelitian ini bertujuan untuk mengetahui pertumbuhan dan hasil tanaman kacang tanah varietas Hypoma 1 yang diberikan berbagai jenis pupuk pada lahan kering. Percobaan ini telah dilaksanakan di Desa Gumantar, Kecamatan Kayangan, Kabupaten Lombok Utara, Provinsi Nusa Tenggara Barat, dari bulan September sampai bulan Desember 2015. Percobaan dilaksanakan dengan Rancangan Acak Kelompok, dengan lima perlakuan pupuk, yaitu Bioboost (24,9 liter/ha), Urea (150 kg/ha), Phonska (300 kg/ha), Urea + Phonska (75 kg/ha + 150 kg/ha), dan Urea + Phonska + KNO3 (75 kg/ha + 150 kg/ha + 20 liter/ha). Tiap perlakuan diulang tiga kali sehingga terdapat 15 plot percobaan. Parameter pertumbuhan diamati setiap tujuh hari dari mulai 14 hari setelah tanam (HST) sampai 42 HST. Parameter hasil diamati setelah panen. Data dianalisis dengan analisis keragaman dan jika perlu dilanjutkan dengan Uji Beda Nyata Terkecil pada taraf 5%. Hasil penelitian menunjukkan bahwa pertumbuhan terbaik dan hasil tertinggi tanaman kacang tanah diperoleh pada perlakuan pupuk Phonska dengan dosis 300 kg/ha. ABSTRACT This research aimed at knowing the growth and yield of Groundnut variety of Hypoma 1 treated with various fertilizers at dryland. The experiment was conducted at Gumantar Village, Kayangan Subdistrict, North Lombok District, since September until Desember 2015. The experiment was Randomly Block Designed, with five fertilizer treatments, namely; Bioboost (24,9 liter/ha), Urea (150 kg/ha), Phonska (300 kg/ha), Urea + Phonska (75 kg/ha + 150 kg/ha), and Urea + Phonska + KNO3 (75 kg/ha + 150 kg/ha + 20 liter/ha). Each treatment was repeated three times resulting in 15 experimental plots. The growth parameters were observed every seven days since 14 days after planting (DAP) until 42 DAP. The yield parameters were recorded after harvesting. Data were analyzed with Analysis of Variance and when necessary followed by least significant different test at 5% level. Result showed that the best growth and the highest yield of Groundnut were observed at treatment with Phonska 300 kg/ha.
PENAMPILAN FENOTIPE DAN HERITABILITAS PADI BERAS MERAH (Oryza sativa L.) HASIL SELEKSI SILANG TUNGGAL SERTA SELEKSI SILANG BERULANG Ni Ike Oktaviani; I Gusti Putu Muliarta Aryana; Uyek Malik Yakop
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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Abstract

ABSTRAK Penelitian ini bertujuan untuk mengetahui penampilan fenotipe dan nilai heritabilitas karakter kuantitatif padi beras merah (Oryza sativa L.) hasil seleksi silang tunggal serta seleksi silang berulang. Percobaan ini dilakukan di Kebun Percobaan Fakultas Pertanian Universitas Mataram di desa Nyur Lembang, Kecamatan Narmada, Kabupaten Lombok Barat. Percobaan dilaksanakan dari bulan Februari sampai bulan Mei 2016, menggunakan Rancangan Acak Kelompok terdapat 11 perlakuan dengan tiga ulangan. Data hasil pengamatan dianalisis dengan menggunakan analisis keragaman taraf nyata 5% dilanjutkan dengan analisis heritabititas arti luas (H2). Hasil penelitian menunjukkan bahwa karakter kuantitatif padi beras merah hasil seleksi tunggal dan seleksi silang berulang terdapat perbedaan yang nyata (signifikan) antara lain umur berbunga, jumlah anakan produktif per rumpun, panjang malai, jumlah gabah berisi per malai, jumlah gabah hampa permalai serta berat gabah per rumpun. Nilai duga heritabilitas yang tinggi ditunjukkan oleh karakter umur berbunga (97,74 %) dan panjang malai (68,77%). Nilai duga heritabilitas yang sedang ditunjukkan oleh tinggi tanaman (35,61 %), jumlah anakan produktif (42,06 %), jumlah anakan non produktif (26,35 %), jumlah gabah berisi per malai (26,10 %), jumlah gabah hampa per malai (29,45 %), berat 100 butir (44,33 %) dan jumlah gabah per rumpun (49,16 %) . ABSTRACT The aim of this reserch was to identify phenotype appearance and value of heritability of brown rice (Oryza sativa L.) derived from single cross and recurring cross selection. This research was at village of Nyurlembang, Sub District Of Narmada, District of West Lombok, West Nusa Tenggara province, from Februari to Mei 2106, using Randomized Completly Block Design (RCBD) there were 11 treatments with three replications. Data were analyzed by using analysis of variance with significant level 5% and then analysed by heritability (H2). The results showed that there was a significant effect the character of brown rice (Oryza sativa L.) derived from single cross and recurring cross selection. These include flowering date, number of productive tillers, panicle length, number of grains per panicle filled seed, the number of hollow grains per panicle, grain weight per tillers. The high value heritabiluty of the result included flowering date (97,74%) and panicle length (68,77%), while the moderate values were plant height (35,61%), number of productive tillers (42,06%), number of not productive tillers (26,35%), number of grains per panicle filled seed (26,10%), the number of hollow grains per panicle (29,45 %), 100 seed weight (44,33 %) and grain weight per tillers (49,16%) .
PERAKITAN JAGUNG VARIETAS UNGGUL UNTUK TUMPANGSARI MELALUI SELEKSI MASSA Uyek Malik Yakop; Idris Idris; Lestari Ujianto
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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ABSTRAK Usaha mempertinggi produksi jagung pada system tumpangsari antara lain dengan mencari varietas yang cocok untuk tumpangsari. Usaha ini antara lain dengan program pemuliaan yaitu melakukan seleksi pada suatu populasi jagung yang cocok untuk tumpangasi. Lebih-lebih hal ini bila dihubungkan dengan kemampuan suatu varietas yang memiliki kemampuan berbeda untuk beradaptasi dengan suatu kondisi lingkungan tertentu termasuk untuk tumpangsari. Penelitian diawali dengan penanaman populasi siklus kedua (C2) sekitar 4.000 tanaman, kemudian dibuat 10 petak yang masing-masing memuat 200 tanaman. Pada tiap petak dipilih 20 tanaman yang jumlah daun terbanyak, kemudian dipilih 15 tanaman yang berbatang tinggi di antara tanaman yang berdaun banyak. Selanjutnya dipilih 10 tanaman yang memiliki tongkol terpanjang di antara 15 tanaman berbatang tinggi. Bijinya dipipil dan diambil hanya bagian tengahnya (1/3 bagian (kemudian dibulk menjadi benih hasil seleksi massa tanpa pengendalian penyerbukan siklus ketiga (C3). Akhir kegiatan dilakukan pengujian kemajuan seleksi dengan membandingk siklus ketiga (C3) dengan populasi C2, C1dan C0. Jika kemajuan seleksi menunjukkan nyata maka akan dilanjutkan seleksi siklus berikutnya. Hasil penelitian menujukkan bahwa Kemajuan seleksi dari seluruh sifat yang diamati adalah nyata dan bersifat linear kecuali sifat berat biji pipilan kering per tongkol dan jumlah baris per tongkol, sehingga jagung lokal Kebo berpeluang untuk menjadi varietas ungul dalam sistem pertanaman tumpangsari. Populasi jagung lokal Kebo siklus ketiga (C3) menunjukkan sifat yang lebih unggul dibandingkan dengan populasi C2, C1 dan C0. ABSTRACT Suitable varieties for intercropping is one of factors to increase production in intercropping system and the way to find out the varieties is by implementing breeding technique, i.e. selection method in order to develop superior varieties capable for adapting to a certain environment, including for intercropping. This study began with planting the second cycle populations (C2 ) of approximately as many as 4,000 plants, then plotted into 10 plots containing 200 plants each. In each plot, 20 plants were chosen based on the most number of leaves, then of these, 15 plants were selected on the basis of the tallest plants. Of these only 10 plants were selected based on the longest ear. Seeds were harvested and taken only the in middle of the ear (the third part of the ear), and all seeds were bulked. These seeds were called from the third cycle of population ( C3 ). The next experiment was to test all the progenies obtained, including C2, C1, and C0 . If there is no any progress of the selection, the multilocation trials will be conducted. The multilocation trials is aimed to determine the adaptability and stability of the C3 population. The multilocation trials are part of the stages in the prosess of variety release. The research results showed that the selection progress of all characters observed were significant and linear, except the weight of dry seeds per ear and and number of rows per ear, therefore, the corn local Kebo is expected to be superior varieties for seeds in intercropping systems. The characteristics of C3 population of Maize local Kebo compared to the population of the C2, C1 and C0 showed to be superior.
KAJIAN KERAGAMAN GENETIK PADA POPULASI F2 HASIL PERSILANGAN BLEWAH (Cucumis melo var cantalupensis) DENGAN MELON (Cucumis melo L.) Misfalah Misfalah; Lestari Ujianto; Dwi Ratna Anugrahwati
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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Abstract

ABSTRAK Penelitian ini bertujuan untuk mengkaji kergaman genetik pada populasi F2 hasil persilangan blewah dengan melon. Percobaan ini dilakukan di Kebun Koleksi dan Hibridisasi, Kelurahan Pejeruk, Kecamatan Ampenan pada bulan Oktober 2015 sampai Januari 2016. Rancangan percobaan yang digunakan adalah Rancangan Acak Lengkap (RAL) yang terdiri dari 4 perlakuan yaitu G1 (P1 Blewah Lonjong), G2 (P2 Melon Putih), G3 (F2 BLXMP) dan G4 (F2 MPXBL). Perlakuan G1 dan G2 diulang sebanyak 4 kali sedangkan perlakuan G3 dan G4 diulang sebanyak 16 kali sehingga diperoleh 40 unit percobaan. Data hasil penelitian dianalisis menggunakan analisis keragaman, koefisien keragaman genetik dan heritabilitas yang diduga berdasarkan analisis keragaman dan metode Mahmud-Kramer. Hasil penelitian menunjukkan bahwa keragaman genetik pada populasi F2 hasil persilangan blewah dengan melon beragam dari nilai yang paling tinggi (36%) sampai paling rendah (0,2%), poulasi F2 keragamannya lebih besar dibandingkan dengan kedua tetuanya. Nilai heritabilitas yang diduga berdasarkan metode Mahmud-Kramer beragam, yang tegolong rendah yaitu jumlah bunga jantan (3,7%) dan jumlah cabang produktif (17%), yang tergolong sedang pada umur bunga jantan (44%), kadar gula (25%brix), dan bobot buah segar (28%), sedangkan yang tergolong tinggi panjang tanaman (79%), jumlah bunga betina (91%), umur bunga betina (92%), umur panen (74%), diameter batang (89%), diameter buah (54%) dan panjang buah (72%).Nilai heritabilitas yang diduga berdasarkan analisis keragaman yang tergolong rendah yaitu umur bunga jantan (9%), umur panen (10%), diameter batang (9,5%), bobot buah segar (10%), panjang buah (9,5%) dan jumlah cabang produktif (6,8%), yang tergolong sedang jumlah bunga jantan (25%) dan kadar gula (30%), sedangkan yang tergolong tinggi hanya pada diameter buah (56%). ABSTRACT The objective of this research was to study the genetic variation on F2 population resulted of hybridization between cantaloupe and melon. This research was conducted in the Collection and hybridization Garden, Pejeruk Village, Ampenan District in October 2015 to January 2016. The experimental design used was completely randomized design (CRD), which consists of 4 treatments ie: G1 (P1 Cantaloupe Oval), G2 (P2 Melon white), G3 (F2 BLxMP) and G4 (F2 MPxBL). G1 and G2 treatments were repeated 4 times while the G3 and G4 treatments were repeated 16 times thus obtained 40 experimental units. The data were analyzed using analysis of variance, genetic variation coefficients and heritability estimated based on analysis of variance and Mahmud-Kramer method. The results of this research showed that the genetic variation on F2 population of hybridization between cantaloupe and melon was varywith the highest scores (36%) to the lowest score (0.2%), the variation on F2 population was greater than their parents. Heritability values ​​ estimated based on Mahmud-Kramer method was vary, the lowest score was on the number of male flowers (3.7%) and the number of productive branches (17%), classified as medium score was on the age of male flowers (44%), sugar content (25% brix), and the weight of fresh fruit (28%), while a high score was plant length (79%), the number of female flowers (91%), the age of the female flowers (92%), harvesting day(74%), stem diameter (89% ), fruit diameter (54%) and fruit length (72%). Heritability Value estimated based on analysis of variance classified as low level was age of male flowers (9%), harvesting date (10%), stem diameter (9.5%), the weight of the fresh fruit (10%), fruit length (9.5%) and the number of productive branches (6.8%). classified as moderate was amount of male flowers (25%) and sugar (30%), while the high level was only in fruit diameter (56%).
HUBUNGAN KEHILANGAN DAUN DENGAN PERTUMBUHAN DAN HASIL TANAMAN CABAI RAWIT Nala Raiyan; Agus Rohyadi; Tarmizi Tarmizi
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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Abstract

ABSTRAK Hubungan antara tingkat kehilangan daun dengan pertumbuhan dan hasil tanaman dari dua varitas cabai rawit telah diteliti dengan sebuah percobaan pot di dalam rumah kaca. Percobaan dirancang sebagai suatu percobaan faktorial 2 x 4, yang ditata mengikuti Rancangan Acak Lengkap (RAL) dengan 4 ulangan pot. Faktor pertama adalah varitas tanaman yang terdiri atas Sonar dan Dewata F1, dan faktor kedua adalah tingkat kehilangan daun melalui pemotongan simulatif selama fase pertumbuhan vegetatif pada tingkat 0, 20, 40 dan 60% dari total luas permukaan daun. Tidak ada hubungan kausalitas antara tingkat kehilangan daun dengan keragaman pertumbuhan dan ukuran buah baik pada varitas Sonar maupun Dewata F1. Sementara itu, hubungan regresi terbalik antara tingkat kehilangan daun dan berkurangnya kemampuan tanaman menghasilkan buah ditemukan pada kedua varietas dengan laju penurunan yang berbeda. Ambang batas kehilangan daun yang nyata mulai menurunkan hasil pada varitas Sonar adalah 76% dan Dewata F1 adalah 28%, yang menurunkan 23% dan 15% dari hasil pada kontrol masing-masing. Dengan demikian, varitas Sonar mempunyai toleransi yang jauh lebih tinggi dibandingkan dengan varitas Dewata F1 dalam merespon kehilangan daun yang meningkat selama pertumbuhan vegetatif. ABSTRACT The relationship between leaf loss and plant growth and yield of two chili’s varieties has been studied by doing a pot experiment in a glass house. The experiment was a 2 x 4 factorial experiment arranged in a completely randomized design with four replicated pots. The first factor was the varieties of Sonar and Dewata F1, and the second factor was the intensity of plant leaf loss during vegetative growth phase that were simulated by cutting at levels of 0, 20, 40 and 60% from total leaf surface area. There was no causal relationship between the intensity of leaf loss and the extent of growth and fruit size of the two chili’s varieties. Whilst, a reverse regression in relationship between plant leaf loss intensity and their ability to produce fruit was found with different decreasing rates on both. The threshold of leaf loss that starts to decrease fruit yield in a significant quantity was 76% for Sonar and 28% for Dewata F1 wherein the yield of both decreased about 23 and 15%. As a result, variety of Sonar was more tolerant than Dewata F1in responding leaf loss in increasing level during vegetative growth phase.
EVALUASI SIFAT KUANTITATIF TANAMAN F1 DAN HETEROSIS HASIL PERSILANGAN ANTAR VARIETAS GANDUM Baiq Eka Septiani; Uyek Malik Yakop; Dwi Ratna Anugrahwati
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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ABSTRAK Penelitian ini bertujuan untuk mengevaluasi sifat kuantitatif generasi F1 hasil persilangan antara varietas gandum nasional dengan gandum introduksi, dan untuk memperoleh informasi heterosis dari persilangan tiga tetua tanaman gandum. Metode yang digunakan dalam penelitian ini yaitu metode eksperimental dengan percobaan pot di lapangan pada bulan Oktober sampai dengan Desember 2015. Rancangan percobaan yang digunakan adalah Rancangan Acak Lengkap (RAL) yang terdiri atas 9 perlakuan: 3 tetua dan 6 keturunannya yaitu Estoc (P1), Dewata (P2), Gladius (P3), ED (P1♀ x P2♂), DE (P2♀ x P1♂), GD (P3♀ x P2♂), DG (P2♀ x P3♂), GE (P3♀ x P1♂) dan EG (P1♀ x P3♂). Setiap perlakuan diulang sebanyak 3 kali sehingga dalam penelitian ini terdapat 27 unit percobaan. Hasil percobaan menunjukkan bahwa parameter umur berbunga pada persilangan antar varietas gandum menunjukkan nilai yang berbeda antar genotipe, F1 DG (hasil persilangan antara gandum Dewata dengan Gladius) memiliki umur berbunga tercepat. Parameter tinggi tanaman dan umur berbunga menunjukkan nilai heterosis yang negatif, baik untuk nilai heterosis Tetua Tertinggi (Hight Parent) maupun Rata-Rata Tetua (Mid Parent). ABSTRACT This study aimed to evaluate the quantitative characters of F1 generation from crosses between a national variety with introduced wheats, and to obtain information an heterosis of crosses between three parental of the wheat crop. Method used in this study was pot experiment from October to December 2015. Experimental design used was completely randomized design (CRD), which consisted of 9 treatments, 3 parents: Estoc (P1), the Dewata (P2), Gladius (P3), and 6 F1: ED (P1 ♀ x P2♂), DE (P2♀ x P1♂), GD (P3♀ x P2♂), DG (P2♀ x P3♂), GE (P3♀ x P1♂) and EG (P1♀ x P3♂). Each treatment was repeated 3 times so that there are 27 experimental units. Results showed that flowering time on cross between wheat varieties showed significantly different among genotypes, F1 DG (a cross between Dewata and Gladius) showed the earliest flowering time. The value of heterosis parameters plant height and flowering time were negative, both for Hight Parent Heterosis and Mid Parent Heterosis.
APLIKASI BIOCHAR, PUPUK KANDANG DAN CAMPURAN KEDUANYA PADA BEDENG PERMANEN YANG DITANAMI CABAI MERAH (Capsicum annum L.) Raden Unangga Jaya W; IGM Kusnarta; Sukartono 2
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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Abstract

ABSTRAK Cabai merah (Capsicum annum L.) merupakan tanaman hortikultura yang kaya kandungan gizi bermanfaat, seperti protein, kalori, lemak, karbohidrat, kalsium dan minyak esensial.Penelitian ini bertujuan untuk mengetahui pengaruh dari perlakuan aplikasi biochar, pupuk kandang dan campuran keduanya terhadap pertumbuhan dan hasil tanaman cabai merah yang ditanam pada bedeng permanen.Penelitian dilakukan di Desa Batujai Kecamatan Praya Barat Kabupaten Lombok Tengah pada bulan April sampai dengan September 2015.Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan 7 perlakuan yang diulang sebanyak 3 kali, yaitu K0: Kontrol, B10: Biochar 10 ton/ha, PK10: Pupuk Kandang 10 ton/ha, B5PK10: Campuran biochar 5 ton/ha dan pupuk kandang 10 ton/ha, B10PK5:Campuran biochar 10 ton/ha dan pupuk kandang 5 ton/ha,B15PK5: Campuran biochar 15 ton/ha dan pupuk kandang 5 ton/ha serta B5PK15: Campuran biochar 5 ton/ha dan pupuk kandang 15 ton/ha. Hasil penelitian menunjukkan bahwa perlakuan campuran B5PK15 memberikan pengaruh yang nyata terhadap tinggi tanaman cabai merah (21 HST, 28 HST, dan 35 HST) dan B15PK5 memberikan pengaruh nyata terhadap jumlah dan berat buah pertanaman. Namun umur mulai berbunga dan berbuah, serta berat berangkasan tanaman cabai merah, untuk semua perlakuan tidak menunjukkan perbedaan yang nyata. ABSTRACT Red peppers (Capsicum annum L.) is a horticultural plant rich in beneficial nutrient, such as protein, calories, fat, carbohydrates, calcium and essential oils. This study aims to determine the effect of biochar application, manure and mixing both of biochar and manure on the growth and yield of red pepper grown on permanen raised beds. The study was conducted at Batujai Praya Barat, Central Lombok. Experiment was conducted from April to September 2015. The experimental design used was a randomized block design (RBD) with 7 treatments repeated 3 times, i.e K0: Control, B10: Biochar 10 ton/Ha, PK10: Manure 10 ton/Ha, B5PK10: Mixed biochar 5 ton/Ha and Manure 10 ton/Ha, B10PK5: Mixed biochar 10 ton/Ha and Manure 5 ton/Ha, B15PK5: Mixed biochar 15 ton/Ha and Manure 5 ton/Ha and B5PK15: Mixed biochar 5 ton/Ha and Manure 15 ton/Ha. Result showed that treatment B5PK15 had a significant effect on plant height at 21, 28 and 35 days after planting and B15PK5 significant effect on the number and fruit fresh weight per plant. Flowering and fruiting time, and biomass weight, were not significantly different for all treatments.
PENGENDALIAN Sclerotium rolfsii Sacc. PENYEBAB PENYAKIT REBAH-SEMAI KACANG TANAH DENGAN PEMANFAATAN Streptomyces sp. SEBAGAI AGEN PENGENDALIAN HAYATI Annisa Riska Wahyuni; Sudirman Sudirman; Irwan Muthahanas
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

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Abstract

ABSTRAK Penelitian ini bertujuan untuk mengetahui kemampuan Streptomyces sp. dalam menghambat pertumbuhan dan perkembangan jamur Sclerotium rolfsii. Penelitian ini dilaksanakan di Laboratorim Mikrobiologi dan Rumah Kaca Fakultas Pertanian Universitas Mataram dengan metode eksperimental. Pada percobaanin-vitro, 5 isolat Streptomyces sp. (isolat Gi, IMi, BSi, Sh dan BSc) diuji efektifitasnya dalam menghambat pertumbuhan jamur S. rolfsiipada media YMA dalam cawan petri. Zona hambatan pertumbuhan S. rolfsii diukur 3 hari setelah inokulasi. Isolat Gi menunjukkan daya hambat tertinggi (43.33%) dan isolat Gi digunakan pada percobaan in-vivo.Percobaanin-vivo ditata dengan rancangan acak lengkap dengan perlakuan inokulasi Streptomyces sp. di media tanam pada saat tanam, 7 hari setelah tanam, 14 hari setalah tanam, dan perlakuan perendaman benih dengan Streptomyces sp. 10 menit, 20 menit dan 30 menit. Kontrol positif dan kontrol negatif disiapkan. Masing-masing perlakuan diulang sebanyak 5 kali sehingga diperoleh 40 unit percobaan.Pada percobaan in-vivo perlakuan Streptomyces sp. Isolat Gi tidak mampu menekan masa inkubasi tetapi mampu menekan insiden penyakit rebah-semai oleh Sclerotium rolfsii. ABSTRACT The aim of this study was to determine the ability of Streptomyces sp. to inhibit the growth and development of fungus Sclerotium rolfsii. This research was conducted in the Laboratory of Microbiology and Greenhouse Faculty of Agriculture, Mataram University with experimental methods. In in-vitro experiments, five isolates of Streptomyces sp. (Isolates Gi, Imi, BSi, Sh and BSc) were tested their effectiveness in inhibiting the growth of fungusS. rolfsii on YMA medium in Petri dishes. Inhibitionzone of S. rolfsii growth was measured 3 days after inoculation. Isolate Gi showed the highest (43.33%) so that it was used in in-vivo experiment. The experiment was Completely Randomazed Designed with 6 treatments, inoculation of Streptomyces sp. at planting time, 7 days, 14 days after planting, seeds soaking treatment in Streptomyces sp. suspension for 10, 20 and 30 minutes. Positive and negative controls were provided. Each treatment was repeated 5 times resulting in 40 experimental units. Result showed that although isolate Gi of Streptomyces sp. was unable to suppress incubation periode, but it was capable suppressing incident of dumping-off disease caused by S. rolfsii.
PERANAN BEBERAPA TEPUNG TANAH BERMIKORIZA TERHADAP HASIL TANAMAN KEDELAI (Glycine max) Ervina Mu’amalia; Wahyu Astiko; Sudirman Sudirman
CROP AGRO, Scientific Journal of Agronomy Vol 10 No 2 (2017): Jurnal Crop Agro Juli 2017
Publisher : Department of Agronomy Faculty of Agriculture University of Mataram and Indonesian Society of Agronomy Branch NTB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (606.566 KB)

Abstract

ABSTRAK Penelitian ini bertujuan untuk mengetahui peranan beberapa tepung tanah yang mengandung mikoriza dari sekitar perakaran beberapa tanaman terhadap hasil tanaman kedelai. Percobaan dilaksanakan dengan Rancangan Acak Kelompok dengan tujuh perlakuan tepung tanah bermikoriza berasal dari sekitar perakaran tanaman; ubi kayu, kacang tunggak, jagung, bawang merah, kacang tanah, padi dan cabai. Perlakuan tanpa tepung tanah juga disiapkan sebagai kontrol. Semua perlakuan disiapkan sebanyak tiga ulangan. Data dianalisis dengan analisis sidik ragam pada taraf nyata 5%. Dari hasil penelitian diperoleh tanaman kedelai dengan perlakuan tepung tanah bermikoriza dari perakaran ubi kayu memiliki berat basah tajuk, berat kering tajuk, berat basah akar, berat kering akar tertinggi dan mampu meningkatkan masing-masing sebesar 211,7%, 180,63%, 308,7% dan 334,76% dibandingkan dengan kontrol. Disamping itu, tanaman kedelai dengan perlakuan ini juga memiliki jumlah polong, berat polong, berat 100 biji, berat biji dan serapan P tertinggi dan mampu meningkatkan masing-masing sebesar 367,45%, 152,48%, 149,04%, 135,15% dan 357,22% dibandingkan dengan kontrol. ABSTRACT The aim of this study was to determine the role of same soil flours, dry soil that finely grounded, containing mycorrhizas taken from root zones of some plants species on soybean yield. The experiment was conducted using completely Randomized Block Design with seven treatmens of soil flours containing mycorrhizas taken from root zones of cassava, cowpea, corn, shallot, peanut, rice and pepper. Every treatment was ripeated three times. Data were analyzed with analysis of variance at 5% significant level. Results showed that soybean plant treated with soil flours from cassava increased in fresh and dry weight, root fresh and dry weight, as much as 211.7%, 180.63%, 308.7% and 334.76%, consecutively compared to control. In addition, the treatment also increased number of pods, pod weight, 100 seeds weight, total seed weight, and P uptake at about 367.45%, 152.48%, 149.04%, 135.15%, and 357.22%, respectively, compared to control.

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