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All Journal Biology, Medicine, & Natural Product Chemistry Journal of Agriculture and Animal Science
Affan Prasetya
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Dinamika Susut Bobot dan Padatan Terlarut Total Beberapa Varietas Jagung Manis (Zea mays saccharata) Selama Penyimpanan Pascapanen pada Suhu Ruang Affan Prasetya; Dulbari; Zulkarnain; Anung Wahyudi
AgriMalS Vol 6 No 2 (2026): Volume 6 Nomor 2 Tahun 2026
Publisher : Sentra Kekayaan Intelektual dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/nn331e63

Abstract

Sweet corn (Zea mays saccharata) is a horticultural commodity that is susceptible to postharvest quality deterioration due to water loss and changes in carbohydrate metabolism during storage. This study aimed to evaluate changes in weight loss and total soluble solids (TSS) in seven sweet corn varieties during storage at room temperature and to analyze the effects of variety, storage duration, and their interaction. The varieties tested were SC SH722, JM 3165, Exsotic, Paragon, HIBRIX 59, HIBRIX 72, and 18E5044, each with three replications. Observations were conducted on days 0, 2, 4, 6, 8, and 10 at a temperature of 27–30 °C and a relative humidity of 70–85%. The data were analyzed using a Linear Mixed Model (LMM), with variety, storage duration, and their interaction as fixed effects and the experimental unit as a random effect. The results showed that weight loss increased in all varieties during storage. On day 10, the lowest descriptive weight loss was observed in Paragon (33.71%), whereas the highest was recorded in SC SH722 (46.44%). The interaction between variety and storage duration had no significant effect on weight loss (p > 0.05). In contrast, their interaction significantly affected TSS (p < 0.05), indicating differences in TSS change patterns among varieties. HIBRIX 72 had the highest initial TSS (16.00 °Brix), which decreased to 5.00 °Brix on day 10, whereas Exsotic exhibited the lowest TSS at the end of storage (3.50 °Brix). In conclusion, storage at room temperature was associated with increased weight loss and decreased TSS. Therefore, both parameters should be considered simultaneously when evaluating the postharvest quality of sweet corn.
Heat Unit Accumulation, Heat Use Efficiency, Yield, and Sweetness of Sweet Corn (Zea mays saccharata Sturt L.) under Tropical Lowland Conditions Affan Prasetya; Dulbari Dulbari; Zulkarnain Zulkarnain
Biology, Medicine, & Natural Product Chemistry Vol 15, No 2 (2026)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2026.152.1917-1924

Abstract

Temperature is an important environmental factor influencing phenological development and productivity of sweet corn through heat unit accumulation. This study evaluated heat unit accumulation, heat use efficiency (HUE), yield components, and sweetness of seven commercial sweet corn cultivars grown under tropical lowland conditions during one growing season. The experiment was arranged in a randomized complete block design with seven cultivars and three replications. Heat unit accumulation was calculated using growing degree days (GDD) with a base temperature of 10°C. Phenological stages, plant height, cob yield components, total soluble solids (°Brix), and HUE were recorded. Significant differences among cultivars were observed in GDD required to reach vegetative emergence, tasseling, and silking, whereas GDD at the milk stage and HUE did not differ significantly. Exsotic F1 produced the highest cob weight with husk (354.88 g), cob weight without husk (264.16 g), cob length (20.37 cm), and cob diameter (60.27 mm), while Hibrix 72 F1 exhibited the highest total soluble solids (15.11 °Brix). Pcobson correlation analysis showed that HUE was positively associated with cob weight and cob size, whereas °Brix was negatively correlated with cob yield components. Principal component analysis separated cultivars according to phenological, yield, and quality traits. Under the environmental conditions of this study, commercial sweet corn cultivars differed in thermal requirements, yield characteristics, and sweetness, providing comparative information on cultivar performance under tropical lowland conditions.
Co-Authors Anung Wahyudi Dulbari, Dulbari Zulkarnain Zulkarnain Zulkarnain