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Enhancement of Seed Germination and Uniformity in Triploid Watermelon (Citrullus lanatus (Thunb.) Matsum. and Nakai)
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 Title & Authors
Enhancement of Seed Germination and Uniformity in Triploid Watermelon (Citrullus lanatus (Thunb.) Matsum. and Nakai)
Phat, Phanna; Sheikh, Sameena; Lim, Jeong Hyeon; Kim, Tae Bok; Seong, Mun Ho; Chon, Hyong Gwon; Shin, Yong Kyu; Song, Young Ju; Noh, Jaejong;
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 Abstract
One of the main factors restricting production of triploid seedless watermelon is poor germination due to weak embryos, thick seed coats, and larger air spaces. This study was carried out to investigate the priming effects of different concentrations of chemicals, including hydrogen peroxide (), fusicoccin, and gibberellic acid (GA) on germination and seedling uniformity of triploid watermelon (Citrullus lanatus). Three commercial triploid cultivars, Seedless Plus, Sinus, and Sizero, were pretreated with water and different levels of (2 and 4%), fusicoccin (FC: 1, 5, and ), and GA (1, 5, and ). The present findings helped to find optimal priming conditions for improving germination of triploid watermelon. Treatment with GA and hydropriming helped to break seed dormancy, enhancing the final germination percentages in all triploid cultivars and increasing the germination index in Sizero. These seed-priming treatments could be used on large scale for industrial applications. Moreover, hydropriming provides a simple, effective, and costless method to improve seed germination and seedling vigor of Sinus and Sizero varieties.
 Keywords
germination index;germination rate;priming;triploid;uniformity;
 Language
English
 Cited by
1.
Effects of hydropriming and explant origin on in vitro culture and frequency of tetraploids in small watermelons, Horticulture, Environment, and Biotechnology, 2017, 58, 5, 495  crossref(new windwow)
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