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All Journal Vegetalika Journal of Smart Agriculture and Environmental Technology
Habibulloh Habibulloh
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Veterinary

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Evaluasi Performa Pertumbuhan Dan Produksi Aksesi Generasi BC2F4 (Inpago 5 dan Inpara 8) terhadap varietas IR 64 pada Lahan Rawa Lebak Dangkal Rujito Agus Suwignyo; Irmawati Irmawati; Marlin Sefrila; Muhardianto Cahya; Fikri Adriansyah; Habibulloh Habibulloh
Vegetalika Vol 15, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/veg.114213

Abstract

The utilization of swamp land in cultivating rice plants has obstacles, especially the presence of abiotic stress, which are submersion in the vegetative phase and drought in the generative phase which impacts productivity. The use of superior varieties that can withstand submersion and drought stress can be a solution in increasing rice productivity in swamp land. This study aims to evaluate the growth and production performance of BC2F4 generation accessions, in shallow swamp land. This study was conducted in Pelabuhan Dalam Village, Pemulutan District, Ogan Ilir Regency, South Sumatra from June to October 2024. This study used a Randomized Block Design using accessions resulting from BC2F4 crosses, including; T1, TR1, T2, TR2, T3, and TR3, as well as Inpago 5 varieties (recipient parents) and IR 64 (popular varieties). The results showed that all BC2F4accessions showed better growth and yield performance compared to Inpago 5. The T3 variety showed the highest productivity at 3.25 tons/ha. In addition, the Pearson correlation showed that productivity was influenced by the variables of the number of tillers (0.58), productive tillers (0.68), and grain weight per panicle (0.89).
Growth and Yield of Corn (Zea mays L.) and Sorghum (Sorghum bicolor L.) Cultivated at Different Spacing in-Row Intercropping System with Rubber Crops (Hevea brasiliensis Muell. Arg.) M. Umar Harun; Fitri Ramadhani; Habibulloh Habibulloh
Journal of Smart Agriculture and Environmental Technology Vol. 4 No. 2 (2026): August 2026
Publisher : Indonesian Soil Science Society of South Sumatra in Collaboration With Soil Science Department, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60105/josaet.2026.4.2.67-72

Abstract

The efforts to increase productivity of rubber plantations can be carried out through polyculture planting patterns rubber of corn and sorghum. The aim of this research is to determine the rubber response and the growth of corn and sorghum intercrops with modified planting spacing. The research was conducted at the Rubber Research Facility, Faculty of Agriculture (3◦14′2′′S 104◦38′12′′E), Universitas Sriwijaya, Indralaya, Ogan Ilir, South Sumatera. The research was conducted in two experimental units using a  randomized block design with four replications. Planting spacing was as treatment. There were three plant spacings for corn, the treatment spacing, which consists of three levels, namely 75 cm × 25 cm (JT-J1), 75 cm × 30 cm (JT-J2) and 75 cm × 35 cm (JT-J3). Meanwhile, the spacing for sorghum were as follows 75 cm × 25 cm (JT-S1), 75 cm × 50 cm (JT-S2), 75 cm × 75 cm (JT-S3). The results of research on polyculture of rubber plants with plant spacing treatment had a positive effect on corn and sorghum crops. The  growth and production of corn crops is significantly increased with a planting spacing of 75 × 35 cm for corn and 75 × 75 cm for sorghum was the optimal planting distance, as reflected in the growth of stem circumference, leaf greenness, stalk weight, and weight of 100 grains. 
Co-Authors Fikri Adriansyah Fitri Ramadhani Irmawati Irmawati M. Umar Harun Marlin Sefrila Muhardianto Cahya Rujito Agus Suwignyo