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All Journal Jurnal Agronomi Tanaman Tropika (JUATIKA) Jurnal Agroekoteknologi dan Agribisnis
Astryani Rosyad
IPB University
Agriculture, Biological Sciences & Forestry

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Improving Seed Quality of Four Genotypes of Sweet Corn (Zea mays saccharata) Based on Harvest Time and Initial Water Content Astryani Rosyad; Arya Widura Ritonga; Erik Mulyana; Punjung Medaraji Suwarno; Mertya Anugrah
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4335

Abstract

Quality seeds are crucial for successful sweet corn production. Various factors influence seed quality, including harvest time and initial water content. Therefore, understanding the interaction between harvest time and initial water content is essential for optimizing the quality of sweet corn seeds. This study aims to determine the optimal harvest time and initial water content for assessing the seed quality of four sweet corn genotypes: T13.1.8, SB13.1.3, T8.3.6, and T8.3.2. The experiment employed a factorial Randomized Complete Block Design (RCBD) with two factors. The first factor, harvest time, consisted of five levels (73, 76, 79, 82, and 85 days after planting [DAP]). In contrast, the second factor was the initial water content for seed testing, categorized as harvest water content and 10-12% moisture content. Each treatment was replicated three times, resulting in a total of 30 experimental units. The findings indicated that the sweet corn genotypes T13.1.8 and SB13.1, which were harvested at 76 to 82 hours after sowing (DAP) and had an initial water content of 10 to 12%, represented the optimal treatment combination. These genotypes exhibited germination rate and vigor index variables ranging from 92.7 - 100% and 70.67 - 96.67%. Sweet corn genotypes T8.3.6 and T8.3.2 can be harvested between 79 - 85 DAP with an initial water content of 10-12% to obtain seeds with a germination rate ranging from 86.00 - 98.67% and a vigor index of 58.00 - 86.67%. The study results can be used as a recommendation for seed producers to apply the harvest time and water content according to the genotype used, to ensure that the seeds produced have high viability and vigor.
Identifikasi Benih Melalui Citra Digital dan Karakterisasi Morfo-fisiologi Kecambah Melon Hibrida Salfa F1 IPB Agustin; Abdul Qadir; Astryani Rosyad; MR Suhartanto
Jurnal Agroekoteknologi dan Agribisnis Vol. 10 No. 1 (2026): Jurnal Agroekoteknologi dan Agribisnis
Publisher : Politeknik Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51852/waqnpm22

Abstract

Melon (Cucumis melo L.) is a high-value horticultural commodity with an increasing market demand. This condition requires the availability of high-quality seeds to support optimal productivity and fruit quality. Therefore, a rapid, accurate, and non-destructive method for seed characterization is needed to support seed quality assesment. This study aimed to characterize Salfa F1 hybrid melon seeds using a digital imaging approach and to evaluate their morphophysiological characteristics  based on imbibition, germination, and vigor. The research was conducted at the Seed Biology and Reproduction Laboratory, Department of Agronomy and Horticulture, IPB University, from September to November 2025. The results showed that Salfa F1 melon seeds exhibited relatively homogeneous morphological characteristics based on  area, perimeter, and shape parameters (circularity, aspect ratio, and solidity). The imbibition pattern showed a nonlinier  response over time, with the qubic regression model providing a high level of fit to the observed data. In line with the imbibition pattern, the high germination percentage and vigor index indicated good physiological testing can provide complementary information for characterizing the morphophysiological quality of Salfa F1 melon seeds.
Co-Authors Agustin Erik Mulyana Mertya Anugrah MR Suhartanto Punjung Medaraji Suwarno Qadir, Abdul Ritonga, Arya Widura