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Akari Edy
Jurusan Agronomi dan Hortikultura Fakultas Pertanian Universitas Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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PENGARUH DOSIS PUPUK ORGANIK BIO-SLURRY CAIR DAN WAKTU APLIKASI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG (Zea mays L.) Akari Edy; Resti Puspa Kartika Sari; Hidayat Pujisiswanto
JURNAL AGROTROPIKA Vol 20, No 1 (2021): Jurnal Agrotropika Vol 20 No 1, Mei 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i1.4755

Abstract

Lampung is a center for maize and cattle production. This study aims to determine (1) the dosage of liquid bio-slurry fertilizer which is effective in increasing the growth and yield of maize, (2) the correct split application time of liquid bio-slurry, (3) the interaction between the dose of liquid bio-slurry fertilizer and time of split application on the growth and yield of maize. The research was conducted in Fajar Baru Village, Jati Agung District, South Lampung Regency. The study used a randomized block design (RBD) that arranged in factorial (4x2) with three replications. The first factor was the dosage of liquid bio-slurry organic fertilizer, namely 0 (control), 25, 50, and 75 l/ha. The second factor was the application time with 2 splits (2 and 4), and 3 splits (2, 4, and 6 weeks after planting, WAP). The results showed that: (1) The dose of liquid bio-slurry organic fertilizer 50 l/ha was effective in increasing plant growth and yield by producing stover dry weight of 57.17 g and dry shelled weight per harvest plot of 1.052 g/m2 or equivalent to 10.52 ton/ha; (2) application time of liquid bio-slurry organic fertilizer twice (2 and 4 WAP) or three times (2, 4, and 6 WAP) had no significant effect; (3) there was no interaction between the dosage of liquid bio-slurry organic fertilizer and application time on the growth and yield of maize. Keywords: bio-slurry, corn, dossage, liquid, split application
Hibridisasi Buatan Kacang Tanah dan Fenotipe Karakter Tipe Pertumbuhan, Ukuran Polong, dan Jumlah Biji per Polong Tanaman F1 Hasil Hibridisasi Setyo Dwi Utomo; Kuswanta Futas Hidayat; Akari Edy; Nyimas Sa'diyah; Rizki Indriyani; Emma Halimaturosidah; Herlin Yustina
JURNAL AGROTROPIKA Vol 20, No 1 (2021): Jurnal Agrotropika Vol 20 No 1, Mei 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i1.4886

Abstract

The development of superior peanut cultivars can be conducted through the steps of enhancement of genetic variation, inbreeding, selection, and yield trials. Genetic variation can be enhanced through sexual hybridization (crossing). The objectives of this study were 1) to determine the rate of success of artificial hybridization between runner/semi-runner and Spanish/upright type of peanut;  2) to know the phenotypic characters of the growth habit, pod size, and number of seeds per pod in peanuts. The F1 phenotype is related to the estimation of gene action. This study consisted of two experiments, namely hybridization and evaluation of the type of growth of the F1 family. The experiment was conducted in the Integrated Field Laboratory, Faculty of Agriculture, University of Lampung. The genotypes of parents included national cultivars Bima, Bison, Gajah, Jerapah, Talam, and  Kelinci;   and introduced runner/semi-runner genotypes  K / SR-3 (runner) and NC 7 (semi-runner). The results showed that  NC 7 x Bison  showed the highest ratio of the number of gynophores (NG) / number of flowers crossed (NFC) (31%); NC 7 x Kelinci showed the highest number of pods (NP) / NG ratio  (78%);   and Bima x NC 7 showed the highest NP / NFC (13%). The percentage of F1 plants showing semi-runner growth habit  was 85%, producing pods with two seeds was 100%, and producing large pods was 89%. Keywords:  Growth habit, pod size, the rate of artificial hybridization, seed number
Co-Authors Emma Halimaturosidah Herlin Yustina Hidayat Pujisiswanto Kuswanta Futas Hidayat Nyimas Sa'diyah Resti Puspa Kartika Sari Rizki Indriyani Setyo Dwi Utomo