35 research outputs found
Keragaan Karakter Agronomi dan Parameter Genetik Aksesi Ubi Jalar serta Toleransinya terhadap Hama Boleng
Full text linkPlasma nutfah merupakan sumber gen yang digunakan dalam perakitan varietas. Informasi dari aksesi plasma nutfah mengenai keragaan, keragaman, daya pewarisan, dan kemajuan genetik harapan, serta toleransinya terhadap serangan hama dan penyakit perlu tersedia untuk merakit varietas baru. Tujuan penelitian adalah untuk mendapatkan informasi keragaan karakter agronomi dan paramater genetik aksesi ubi jalar (Ipomoea batatas L.) serta toleransinya terhadap hama boleng (Cylas formicarius). Penelitian dilaksanakan di Kebun Percobaan Muneng pada Mei–September 2014. Penelitian menggunakan rancangan acak kelompok dengan tiga ulangan. Bahan yang digunakan adalah 75 aksesi ubi jalar koleksi Balai Penelitian Tanaman Aneka Kacang dan Umbi (Balitkabi) dari berbagai daerah di Indonesia. Hasil analisis ragam menunjukkan perbedaan genotipe yang sangat nyata pada semua karakter yang diamati. Aksesi MLGI 0247 menunjukkan bobot umbi per plot tertinggi, sedangkan aksesi MLGI 0175 menunjukkan nilai terendah. Tujuh puluh lima aksesi yang diuji menunjukkan perbedaan ketahanan terhadap hama boleng yaitu satu aksesi ketahanan tinggi (HR), 19 aksesi ketahanan menengah (MR), 41 aksesi ketahanan rendah (LR), tujuh aksesi rentan (S), dan tujuh aksesi ekstrim rentan (ES). Empat aksesi (MLGI 0257, MLGI 0035, MLGI 0226, MLGI 0281) menunjukkan potensi hasil cukup tinggi dengan ketahanan terhadap hama boleng dengan kategori LR. Karakter diameter sulur, bobot tajuk, bobot umbi/plot, kadar bahan kering umbi, dan intensitas kerusakan umbi memiliki keragaman genetik yang luas, sedangkan panjang sulur, luas daun, indeks panen, jumlah umbi/plot, dan persen umbi boleng memiliki keragaman genetik yang sempit. Indeks panen dan bobot umbi/plot memiliki nilai keragaman genetik luas, heritabilitas, dan kemajuan genetik harapan yang tinggi, sehingga karakter tersebut berguna sebagai kriteria seleksi dan berpotensi memberikan respon positif dalam perbaikan hasil ubi jalar
Evaluation of orange-fleshed sweetpotato genotypes for yield and yield contributing parameters in two environments
No full textRahajeng W, Rahayuningsih SA. 2017. Evaluation for yield and yield contributing parameters of orange-fleshed sweetpotato genotypes in two environments. Nusantara Bioscience 9: 275-281. Orange-fleshed sweetpotatoe (OFSP) is one of the most important sources of betacaroten and carbohydrates. OFSP showed varying responses to different environments, depending on the adaptability of the genotypes. The objective of this study was to evaluate the correlation between yield and yield component of OFSP genotypes at two different agroclimatological environments (Mojokerto and Blitar) from May to September 2013. Twenty four OFSP genotypes (twenty two clones and two varieties as the check) were used in this study and arranged in a randomized complete block design with three replications. Results showed that responses of OFSP genotypes to the environments varied and genotypes had highly significantly affected all parameters. Based on the criteria of high yield, amylum content, and dry matter production four clones were selected (MSU 09008-54, MSU 07009-113, MSU 07025-45, and MSU 09025-71) from Blitar and two clones (MSU 07009-113 and MSU 070-64) from Mojokerto. Clone MSU 07009-113 showed good performance in both environments for yield, amylum content, and dry matter production parameters. The result of the correlation analysis reveals that root yield is highly significant and positively correlated with dry matter production, number of roots, diameter of root, and harvest index in two locations (Blitar and Mojokerto). Based on the correlation and path analysis, dry matter production, root diameter, and harvest index can be used as an effective indicators selection for high yield OFSP genotypes.</jats:p
Retraction Notice: Ruang Budaya Pada Proses Daur Hidup (Pernikahan) dan Tradisi Wiwit di Desa Sumber Polaman, Lawang Jawa Timur : Vol 3 no 1 2017
No full textWe hereby announce that the article entitled "Ruang Budaya Pada Proses Daur Hidup (Pernikahan) dan Tradisi Wiwit di Desa Sumber Polaman, Lawang Jawa Timur" published in Vol 3 No in 2017 has been withdrawn / retracted at the request of the author on October 13, 2021. The reason for the withdrawal is because it is indicated that the paper quoted without mentioning the source (misconduct) on the article "Nilai Kosmologi Pada Tata Spasial Pada Permukiman Desa Kapencar Lereng Gunung Sindoro Wonowsobo (https://journal.ugm.ac.id/mft/article/view/654)
Thus, we convey this notice so that it can be used properlyThis withdrawal was made at the request of the autho
The Relationship of Sweet Potato Germplasm Based on Morphological Characters
Full text linkInformation about the morphological and genetic characteristics of sweet potato (Ipomoea batatas) is important in the variety development program. This experiment aimed to determine the diversity and genetic relationship of sweet potato accessions from NTT based on morphological character data. The research was carried out at Kendalpayak Research Station, Malang, East Java from April - September 2019. The materials used were seventy-one sweet potato germplasm from the ILETRI collection (collected from NTT). Each accession was planted on a 1 m × 5 m plot size, with a spacing of 100 × 20 cm (single row). Fertilization was carried out using a dose of “100 kg urea + 100 kg SP36 + 200 kg KCl ha-1”. The observed characters were the vines length, growth type, internode length, leaf length, leaf width, leaf size, leaf bone color, leaf shape, leaf characteristics, lobes number, lobe shape, mature leaf color, shoot color, pigmentation of petiole, young stems pigmentation (dominant and secondary color), young leaves feathers, tuber skin color, tuber flesh color, weight of canopy, number of tubers perplot, weight of tubers perplot, number and weight of tubers perplot. Cluster analysis was carried out using the Minitab 17 program. There was morphological diversity in seventy-one accessions of sweet potato germplasm from NTT. Principal component analysis resulted in seven main components with the proportion of diversity 76.3%. cluster analysis, seventy-one accessions of sweet potato germplasm were divided into fifteen accession groups on the basis of 80% degree. Characteristics of shoot color, mature leaf color, leaf size, petiole pigmentation, and leaf bone color contributed greatly to the total diversity
Learning from the settlement in Mount Merapi’s slopes: Orientation and shape of traditional house
No full textPendugaan Komponen Ragam, Heritabilitas dan Korelasi Klon-Klon Harapan Ubijalar Berkadar Betakaroten Tinggi
Full text linkUbijalar berkadar betakaroten tinggi mempunyai peranan penting dalam program diversifikasi dan ketahanan pangan. Informasi mengenai komponen ragam, heritabilitas, korelasi, dan path analisis diantara karakter kuantitatif dengan hasil umbi penting untuk mendukung program seleksi dalam pengembangan varietas ubijalar berkadar beta karoten tinggi. Tujuan dari penelitian ini adalah untuk mengestimasi ragam genetik, heritabilitas, korelasi, dan path analisis pada karakter agronomi untuk menentukan kriteria seleksi klon-klon ubijalar berkadar betakaroten tinggi. Penelitian dilaksanakan pada bulan April—Agustus 2013, di Srengat, Blitar. Bahan yang digunakan adalah 26 klon ubijalar berkadar beta karotin tinggi. Penelitian disusun dalam rancangan acak kelompok (RAK) dengan tiga ulangan. Hasil penelitian menunjukkan semua karakter mempunyai nilai heritabilitas arti luas yang tinggi kecuali jumlah umbi perplot. Ragam genetik yang luas ditunjukkan oleh semua karakter yang diamati. Berdasarkan nilai heritabilitas, ragam genetik, korelasi, dan path analisis karakter yang dapat digunakan sebagai kriteria seleksi klon-klon ubijalar berkadar betakaroten tinggi pada penelitian ini adalah bobot umbi per plot.
Kata kunci: ubijalar, komponen ragam, heritabilitas, korelasi, path analisi
VARIETAS KEDELAI UMUR GENJAH
Full text linkVarietas kedelai (Glycine max L. Merr.) umur genjah banyak diminati karena dapat memberikan berbagai keuntungan seperti terhindar dari kekeringan dan hama serta meningkatkan indeks pertanaman dalam setahun. Umur kedelai ditentukan oleh faktor genetik dan lingkungan. Umur kedelai di Indonesia dikelompokkan menjadi sangat genjah (<70 hari), genjah (70–79 hari), sedang (80–85 hari), dalam (86–90 hari), dan sangat dalam (>90 hari), sedangkan pengelompokan umur masak kedelai di luar negeri (Amerika) didasarkan pada adaptasi dalam letak lintang. Masak fisiologis pada kedelai ditandai dengan >60% polong berwarna coklat, dipanen setelah >80% polong masak. Pada kedelai, terdapat tujuh loci dengan dua alel pada masingmasing lokus yang mengendalikan waktu berbunga dan umur masak kedelai, yaitu: E1, E2, E3, E4, E5, E6, E7 dan E8. Sampai 2011, terdapat lima varietas berumur masak di bawah 76 hari, yaitu Tengger, Meratus, Grobogan, Gepak Kuning, dan Gepak Ijo, dan varietas kedelai berumur genjah (74 hari) yaitu Gema. Hasil kedelai varietas genjah yang dihasilkan masih dapat ditingkatkan, sehingga perakitan varietas berumur pendek dengan produksi tinggi perlu terus dilakukan
The Relationship of Sweet Potato Germplasm Based on Morphological Characters
Full text linkInformation about the morphological and genetic characteristics of sweet potato (Ipomoea batatas) is important in the variety development program. This experiment aimed to determine the diversity and genetic relationship of sweet potato accessions from NTT based on morphological character data. The research was carried out at Kendalpayak Research Station, Malang, East Java from April - September 2019. The materials used were seventy-one sweet potato germplasm from the ILETRI collection (collected from NTT). Each accession was planted on a 1 m × 5 m plot size, with a spacing of 100 × 20 cm (single row). Fertilization was carried out using a dose of “100 kg urea + 100 kg SP36 + 200 kg KCl ha-1â€. The observed characters were the vines length, growth type, internode length, leaf length, leaf width, leaf size, leaf bone color, leaf shape, leaf characteristics, lobes number, lobe shape, mature leaf color, shoot color, pigmentation of petiole, young stems pigmentation (dominant and secondary color), young leaves feathers, tuber skin color, tuber flesh color, weight of canopy, number of tubers perplot, weight of tubers perplot, number and weight of tubers perplot. Cluster analysis was carried out using the Minitab 17 program. There was morphological diversity in seventy-one accessions of sweet potato germplasm from NTT. Principal component analysis resulted in seven main components with the proportion of diversity 76.3%. cluster analysis, seventy-one accessions of sweet potato germplasm were divided into fifteen accession groups on the basis of 80% degree. Characteristics of shoot color, mature leaf color, leaf size, petiole pigmentation, and leaf bone color contributed greatly to the total diversity
