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All Journal Kultivasi Jurnal Agrotek Tropika Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Jurnal Agrotropika SEMAR Open Science and Technology
Setyo Dwi Utomo
Jurusan Agronomi Dan Hortikultura Fakultas Pertanian Universitas Lampung
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Nursing Social Sciences

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Journal : Jurnal Agrotropika

 1 
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
Optimasi Konsentrasi Paklobutrazol untuk Respons Pembungaan Tanaman Jambu Biji 'Kristal' Siti Sarah Yutamimah; R. A. Diana Widyatuti; Setyo Dwi Utomo; Yohannes Cahya Ginting
JURNAL AGROTROPIKA Vol 22, No 1 (2023): Jurnal Agrotropika Vol 22 No 1, Mei 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v22i1.7449

Abstract

The advantages of 'Crystal' guava in Indonesia provide opportunities for farmers to cultivate and increase their production. Various methods of cultivation have been developed to increase the production of 'Crystal' guava, one of which is the use of Growth Regulators. Paclobutrazol is a plant PGR that regulates flowering outside the harvest season so that the production of 'Crystal' guava fruit can be maintained. The purpose of this study was to determine the best concentration of the effect of Paclobutrazol treatment in increasing the flowering of 'Crystal' guava plants. The research was conducted from August 2021 to March 2022 in Rajabasa Lama 1 Village, Labuhan Ratu District, East Lampung Regency. The treatment was carried out in a factorial manner using a single factor randomized block design with three replications so that 36 experimental units were obtained. The first factor was Paclobutrazol (A) which consisted of 6 treatment levels, there are A1 (0 ppm), A2 (4000 ppm), A3 (6000 ppm), A4 (8000 ppm), A5 (10,000 ppm), A6 (12,000 ppm). Paclobutrazol treatment with a concentration of 10,000 ppm gave the best results on the variables of flower number, number of ovules, number of harvested fruit and weight of harvested fruit. Keywords : Paclobutrazol, Concentration, ‘Crystal’ Guava Plants
Co-Authors Ahmad Hidayat Akari Edy Akari Edy Amrina Rosyada Ardian Ardian Arif Surtono Dad R.J. Sembodo Dad Resiworo J Sembodo Dame Trully Gultom Darwin H. Pangaribuan Diana Ika Putri Dini Ari Murti Edi Susanto Eka Erliyana Eka Setiawati Eko Pramono Eko Pramono Emma Halimaturosidah Fitri Yelli Fitri Yelli Girindra Yoga Aditya Hayane Adeline Warganegara, Hayane Adeline Herlin Yustina Hidayat Pujisiswanto Hidayat Pujisiswanto I Gede Swibawa Jamalam Lumbanraja Jamalam Lumbanraja Kronika J A Silalahi Kukuh Setiawan Kuswanta Futas Hidayat L. Wibowo M. Syamsoel Hadi Mohammad Irham Fauzi Nanik Sriyani Niar Nurmauli Niar Nurmauli Nyimas Sa'diyah Nyimas Sa’diyah R. A. Diana Widyatuti R.W. Sari Raden Ajeng Diana Widyastuti Ria Aprilenta Rizki Indriyani Rusdi Evizal Sanjaya, Purba Siti Sarah Yutamimah Sunyoto Sunyoto Sunyoto Sunyoto Untung Sakinata Widia Agustin Yafizham Yafizham Yohannes Cahya Ginting