Judul: Estimation of Genetic and Stability Parameters for Yield and Yield Components of Peanut (Arachis hypogaea (L) Merr.), Pendugaan parameter genetik dan parameter stabilitas hasil dan komponen hasil kacang tanah (Arachis hypogaea (L) Merr)
Abstrak: Genetic parameters for number of total pods, munber of seeded pods, number of unseeded pods, number of seeds, 100 seed weight (gram), pod weight (gram/1,4 m2), and seed weight (yield)(gram/1,4 m2) were estimated from field in a split plot design with 3 replications at 3 locations (Cikeumeuh, Sukamandi, and Kuningan). There main plots werw used, i.e. the peanuts werw grown in monoculture and in assosiation with maize grown at 7 and 15 days after the peanuts werw planted, respectively. There growing environments used in this study were to create a greater environmental variation. It was done becouse many peanut famers are still planing this crop either in monoculture or associated with maize in Indonesia.
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Judul: Yield Potential of 18 Peanut (Arachis hypogaea L.) IPB  Breeding Lines in Bandung
Abstrak: Uji daya hasil galur-galur hasil seleksi termasuk salah satu tahapan dalam perakitan varietas unggul, sebagai upaya meningkatkan produksi nasional kacang tanah. Penelitian ini bertujuan menguji daya hasil 18 galur kacang tanah (Arachis hypogaea L.) rakitan IPB untuk mendapatkan galur berpotensi daya hasil tinggi. Penelitian dilaksanakan pada bulan Januari hingga Juni 2021 di Kecamatan Kutawaringin Kabupaten Bandung dengan ketinggian 760 m dpl. Penelitian ini menggunakan Rancangan Kelompok Lengkap Teracak faktor tunggal dengan 18 galur uji dan 3 varietas pembanding. Berdasarkan hasil penelitian, daya hasil galur G33, G133, dan G205 nyata lebih tinggi dari varietas pembanding kecuali pada karakter tinggi tanaman, bobot tajuk basah, indeks masak biji kulit, dan bobot polong per m². Hasil analisis korelasi menunjukkan bahwa karakter jumlah polong total, jumlah polong isi, bobot polong total, bobot polong isi, dan bobot polong per m² mempunyai koefisien korelasi kuat dan sangat nyata dengan bobot biji per tanaman. Karakter tersebut dapat dipertimbangkan untuk dijadikan kriteria seleksi dalam perakitan varietas unggul. Berdasarkan karakter bobot polong total didapatkan galur-galur terpilih yang memiliki daya hasil tertinggi yaitu G21, G33, G41, G76, G99, G133, G199, G205, G209, dan G237., The yield test of selected lines is one of the stages in assembling superior varieties, as an effort to increase peanut production. This study aimed to evaluate the yield of 18 genotypes of peanut (Arachis hypogaea L.) IPB breeding lines to obtain high yielding potential lines. The research was carried out from January to June 2021 in Kutawaringin District, Bandung Regency at an altitude of 760 m above sea level. This study used a single factor in complete randomized completely-block design with 18 test lines and 3 comparison varieties. Based on the results of the study, the yield of G33, G133, and G205 were significantly higher than the control varieties except for the characters of plant height, wet crown weight, seed shell ripening index, and pod per m². The results of the analysis showed that the character of the number of pods, the number of filled pods, the weight of the pods, the weight of the filled pods, and the weight of the pods per m² had a strong and very significant correlation coefficient with seed weight per plant. These characters can be considered for selection in the assembly of superior varieties. Based on the total pod weight character, the selected lines that have higher yield are G21, G33, G41, G76, G99, G133, G199, G205, G209, and G237.
Keyword: agronomy character, correlation, superior variety, yield

Judul: Elektrodeposisi Film Tipis Semikonduktor Cu2ZnSnS4 (CZTS) pada Substrat Kaca ITO
Abstrak: Semiconductor Cu2ZnSnS4 (CZTS) thin film that can be used as absorber layers on solar cell module was made via electrodeposition method. CZTS thin film was electrodeposited on the surface of a silicate glass coated with a thin layer of indium tin oxide (ITO). Deposition process was done using potentiostatic mode at room temperature with a potential of 1.05 V for 30, 45, and 60 minutes, followed with annealing the film at 2 different temperatures, 500 ºC using furnace and 180 ºC using hot plate, both treatments for 45 minutes in N2/H2S atmosphere. The X-ray difractograms were analyzed using Match 2 program and showed that the CZTS thin films had kesterit crystalline structure, with a low percentage of CZTS phase. The thin film also contained secondary phases such as Cu2S, ZnS, and SnS. The obtained CZTS thin films had a thickness between 1.039 and 1.676 μm. Absorption study showed that the band gap energy of CZTS thin films which was annealed using furnace ranged from 1.50 to 1.52 eV, whereas that annealed using the hot plate was not observed. The band gap energy value showed that CZTS thin films can be used as sunlight absorber layers on solar cell. The formation of CZTS crystal film on this investigation was effectively performed using furnace annealing process at a temperature of 500 ºC with deposition time of 45 minutes.
Keyword: Thin film, Electrodeposition, Cu2ZnSnS4