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Growth and Yield of Sweet Corn Hybrids Organically Grown During the Dry Season in the Midland with Monsoon Rainfall Pattern Faradilla, Rike; Chozin, Mohammad; Sudjatmiko, Sigit; Fahrurrozi, Fahrurrozi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 5 (2025): October 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i5.1604-1610

The comprehensive evaluation of sweet corn hybrids developed for organic production n needs to be conducted across different environmental conditions prior to their adoption by farmers. This study aimed to assess and compare the growth and yield of 17 sweet corn hybrids grown organically in a midland region characterized by a monsoon rainfall pattern. It was conducted during the dry season from July to October 2024 in Sumber Pakis Village, Pakis District, Malang Regency, East Java Province at an altitude of 550 m above sea level. The experiment was designed in a randomized complete block design with three replications and involved 17 sweet corn hybrids as the treatments. Data were collected for the plant growth performance and the ear yield characteristics. In general, the findings of the study suggest that the dry season that took place throughout the growing period led to drought stress, which negatively impacted the performances of sweet corn plants, including growth and ear yield characteristics of most of the hybrids evaluated. The exception was Caps 22 × Caps 23, which had the ability to maintain normal growth performance. Likewise, only Caps 2 × Caps 5, Caps 5 × Caps 17B, Caps 17B × Caps 23, Caps 22 × Caps 23, and Paragon still produced notable marketable ears.

Growth, yield, and yield related characteristics of sweet corn hybrids organically grown in a tropical highland Ladiasmi, Uci; Chozin, Mohammad; Fahrurrozi, Fahrurrozi; Sudjatmiko, Sigit
Jurnal Ilmu Pertanian Vol 10, No 2 (2025): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.106571

The development of organic sweet corn varieties is ideally addressed to have a good adaptation to a variety of environmental conditions. This study aims to evaluate the performance of 17 sweet corn hybrids, consisting of 15 promising hybrids and 2 commercial hybrids grown organically in the highlands. The study was conducted in Batu City, East Java (1160 m above sea level) and arranged in a completely randomized block design with three replications. Evaluation was carried out on growth performance, productivity, and yield quality. The findings of the study showed that all tested hybrids exhibited good growth performance, as indicated by robust plant and a lot of leave. Nevertheless, Caps 2 x Caps 22, Caps 5 x Caps 17B, Caps 17B x Caps 23, and Caps 22 x Caps 23, respectively, emerged as the best hybrids in terms of overall growth performance. In terms of the productivity and quality of the ears produced, the hybrids Caps 5 x Caps 17B, Caps 5 x Caps 22, Caps 15 x Caps 17A, Caps 17A x Caps 17B, and Caps 17B x Caps 22 demonstrated their superiority in ear yields while meeting all established market quality standards.These findings suggest that, for orgnic production, these five hybrids can serve as the alternative for commercial varieties adressed for conventional production. Further evaluation on the yield stability across environmental conditions is needed to make these hybrids more predictable and dependable for the organic growers.

Growth, yield, and yield related characteristics of sweet corn hybrids organically grown in a tropical highland Ladiasmi, Uci; Chozin, Mohammad; Fahrurrozi, Fahrurrozi; Sudjatmiko, Sigit
Jurnal Ilmu Pertanian Vol 10, No 2 (2025): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.106571

The development of organic sweet corn varieties is ideally addressed to have a good adaptation to a variety of environmental conditions. This study aims to evaluate the performance of 17 sweet corn hybrids, consisting of 15 promising hybrids and 2 commercial hybrids grown organically in the highlands. The study was conducted in Batu City, East Java (1160 m above sea level) and arranged in a completely randomized block design with three replications. Evaluation was carried out on growth performance, productivity, and yield quality. The findings of the study showed that all tested hybrids exhibited good growth performance, as indicated by robust plant and a lot of leave. Nevertheless, Caps 2 x Caps 22, Caps 5 x Caps 17B, Caps 17B x Caps 23, and Caps 22 x Caps 23, respectively, emerged as the best hybrids in terms of overall growth performance. In terms of the productivity and quality of the ears produced, the hybrids Caps 5 x Caps 17B, Caps 5 x Caps 22, Caps 15 x Caps 17A, Caps 17A x Caps 17B, and Caps 17B x Caps 22 demonstrated their superiority in ear yields while meeting all established market quality standards.These findings suggest that, for orgnic production, these five hybrids can serve as the alternative for commercial varieties adressed for conventional production. Further evaluation on the yield stability across environmental conditions is needed to make these hybrids more predictable and dependable for the organic growers.

Karakterisasi Morfologi Bawang Merah Cekaman Salinitas pada Konsentrasi Letal 20 (LC20) dan 50 (LC50): Morphology Characteristic of Shallots to Salinity Stress at Lethal Concentrations of 20 (LC20) and 50 (LC50) Anugrah, Diana Eureka; Sudjatmiko, Sigit; Marlin, Marlin
Jurnal Hortikultura Indonesia (JHI) Vol. 15 No. 2 (2024): Jurnal Hortikultura Indonesia (JHI)
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jhi.15.2.100-111

Efforts to optimize non-productive soil using saline soil are an important issue related to the salt content that affects the growth and development of salt-sensitive shallots. The morphological response as a form of sensitivity and tolerance of shallot to salinity is considered to be a characteristic of varieties that can be cultivated on refined soil. The objective of the study was to determine the lethal concentration values of 20 and 50 and the morphological response of shallot plants to salinity excretion. The research was carried out at the research was carried out in the greenhouse of the Agricultural Cultivation Department, Faculty of Agriculture, University of Bengkulu, using 2-factor Complete Randomized Block Design. The first factor of concentration of NaCl are S1: 100 mM, S2: 150 mM, S3: 200 mM, and S4: 250 mM. The second factor are shallot varieties V1: Birma Padang, V2: Bauji, V3: Thailand, V4: Tituk, V5: Solok Sakato, V6: Surian, and V7: Batu Ijo Medan, with Wick System hydroponic tray planting methods. The results showed that seven shallots varieties have different LC20 and LC50 values, and morphological characterization showed a decrease in plant height, leaf number, tiller number, root length, shoot fresh weight, root fresh weight, shoot dry weight, and root dry weight.Keywords: NaCl concentration, salt tolerance, tolerant varieties, Wick system hydroponic

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