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All Journal Jurnal Agronomi Tanaman Tropika (JUATIKA)
Punjung Medaraji Suwarno
Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry

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The Seed Weight Patterns During Imbibition and Germination Morpho-physiology of Four Maize (Zea mays L.) Seed Varieties: Imbibition Pattern and Morpho-physiological of Maize (Zea mays L.) Seed Germination Punjung Medaraji Suwarno; Evayusvita Rustam; Abdul Qadir; Suwarto; Astryani Rosyad
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4937

Abstract

Suboptimal environmental conditions cause low imbibition rate in maize plants, thus disrupting enzyme activation and food availability for the sprouts, and inhibiting the germination process. This study aims to provide a better understanding of the imbibition pattern and physiological characteristics of germination, hopefully obtaining useful information in the development of seed processing techniques and more efficient agricultural technology. The maize seeds used in this study were the seeds of four maize varieties. The imbibition pattern was obtained by weighing the seeds from 0 to 120 hours with a 6-hour time interval. The results showed that the four varieties showed a typical three-phase imbibition pattern with almost the same time. Overall, the highest seed growth and germination was found in Jantan F1 and Paramita, which have great potential for use in seed propagation, while Baruna variety showed low seed quality and needs further evaluation for improvement.
Persistence and Breaking Dormancy of Sintanur Variety Rice Seed Aldi Kamal Wijaya; Yoni Andari; Setyono; Punjung Medaraji Suwarno; Ridwan Diaguna
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4953

Abstract

Research on breaking seed dormancy in rice is essential for understanding dormancy-breaking methods and their persistence, as dormancy behavior varies among rice varieties. This study aimed to examine the persistence of dormancy and effective dormancy-breaking methods in Oryza sativa L. cv. Sintanur. The research used two seed lots of the Sintanur variety—new and old lots—arranged in a split-plot design with two factors: dormancy-breaking treatments (control, 24-hour hydration, 48-hour hydration, KNO₃ solution, and GA₃) and storage periods (0, 1, 2, 3, and 4 weeks after harvest). The results showed that seeds of the Sintanur rice variety exhibited dormancy with persistence up to 3 weeks. The interaction between dormancy-breaking treatments and storage period significantly affected germination percentage, normal seedling growth, and seedling dry weight. Treatment with 10 ppm GA₃ for 48 hours effectively broke seed dormancy in the Sintanur variety starting from 1 week after harvest.
Co-Authors Aldi Kamal Wijaya Evayusvita Rustam Qadir, Abdul Ridwan Diaguna Rosyad, Astryani Setyono Suwarto Yoni Andari