Effects of Solid Matrix Priming (SMP) by Cultivar and Comparison of Seed Moisture Content Changes during Treatment in Watermelon Seeds

Eun-Ji Park; Yeon-Ju Choi; Eun-Young Bae; Faraaz Ahmed Mohammad; Sang-Rim Kim; Byeong-Il Je; Jum-Soon Kang

doi:10.12791/KSBEC.2025.34.1.037

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2025 Vol.34, Issue 1 Preview Page Next Page

Original Articles

Effects of Solid Matrix Priming (SMP) by Cultivar and Comparison of Seed Moisture Content Changes during Treatment in Watermelon Seeds 수박 종자의 품종별 SMP 처리 효과 및 처리 중 종자 수분함유량 비교

31 January 2025. pp. 37-46

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Abstract

Impact of Solid Matrix Priming (SMP) on Germination percentage of various cultivars of watermelon (Citrullus lanatus) seeds is evaluated in comparison with untreated seeds. Micro cel-E was found to be the most ideal matrix for SMP treatment, with a seed:matrix:water ratio of 10:5:10 (w/w/w), and treatment at 25°C for 3 days resulted in faster germination without radicle protrusion. During the SMP treatment process, the moisture content increased sharply during the first 4 hours, and then absorbed more slowly over the next 72 hours. By the end of the treatment, the moisture content reached 41%. Regardless of germination temperature, SMP-treated seeds showed improved germination rates and reduced germination time. Particularly, germination rates were higher at temperatures lower than the optimal germination temperature. While there were varietal differences, ‘Haechangkul’ and ‘Rico Sweet’ showed significant increases in germination rate. Additionally, in some varieties, the seedling emergence rate, plant height, and fresh weight of SMP-treated seeds were higher compared to untreated seeds. These results suggest that SMP treatment enhances germination speed and seedling vigor, making it possible to obtain high-quality seedlings.

Keywords

germination percentage

germination speed

priming

seed viability

seedling emergence

국내 수박(Citrullus lanatus) 품종의 발아율에 대한 Solid Matrix Priming(SMP)의 영향을 평가하였다. Micro cel-E가 SMP 처리에 가장 이상적인 matrix로 밝혀졌으며, 종자:matix:물의 비율은 10:5:10(w/w/w)로, 25°C에서 3일 동안 처리했을 때 유근의 돌출없이 발아속도가 촉진되었다. SMP 처리 과정 동안 초기 4시간 동안의 수분 흡수율은 급격하게 증가했으며, 이후 72시간 동안은 더 느린 속도로 흡수되었고, 처리 마지막 시간까지 수분 흡수율은 41%이었다. 발아 온도와 상관없이, SMP 처리된 종자는 발아 시간이 단축되면서 발아율이 향상되었다. 특히, 최적 발아 온도보다 낮은 온도에서 발아율이 높았다. 품종별 차이는 있었으나, 특히 ‘해찬꿀’과 ‘리코스위트’ 품종에서 발아율이 유의미하게 증가하였다. 또한 일부 품종에서 SMP 처리 종자의 유묘출현율과 초장, 생체중이 무처리에 비하여 증가한 값을 보였으며, SMP 처리로 종자의 발아속도 및 유묘활력을 증진시켜 우량 묘 확보가 가능한 것으로 판단되었다.

키워드

발아속도

발아율

유묘출현

종자 활력

프라이밍

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Information

Publisher :The Korean Society for Bio-Environment Control
Publisher(Ko) :(사)한국생물환경조절학회
Journal Title :Journal of Bio-Environment Control
Journal Title(Ko) :생물환경조절학회지
Volume : 34
No :1
Pages :37-46
Received Date : 2024-11-22
Revised Date : 2024-12-17
Accepted Date : 2025-01-02
DOI :https://doi.org/10.12791/KSBEC.2025.34.1.037

Journal of Bio-Environment Control ISSN:1229-4675(Print) 2765-3641(Online) 생물환경조절학회지

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