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Raheleh Ebrahimi,Mohammad Reza Hassandokht,Zabihollah Zamani,Abdolkarim Kashi,Isabel Roldan-Ruiz,Erik Van Bockstaele 한국원예학회 2014 Horticulture, Environment, and Biotechnology Vol.55 No.1
This study was conducted to evaluate seed morphogenesis and effect of pretreatments on seed germinationof Persian shallot or mooseer (Allium hirtifolium Boiss.). In a first experiment, seed developmental stages of Persianshallot (Mooseer) were assessed. Results showed that number of ovules varied among locules and flowers. In mostcases 3-4 ovules occurred per locule and developed into 1-2 seeds and therefore, a ripe capsule usually contained3-6 seeds. The seeds were black in color and ranged from 3.73-3.98 mm in length and 2.75-3.16 mm in width, andthe average weight of 1,000 seeds varied between 7.80-8.20 grams. In a second experiment four factors, scarification,stratification, potassium nitrate, and GA3, were evaluated for seed germination. Results showed that seed germinationwas not observed without sandpaper scarification or stratification treatment. It could be concluded that the best treatmentfor overcoming mooseer seed dormancy and getting the longest seedling length was scarification with sandpaper, GA3(500 mg·L-1 for 12 hours) application, and moist stratification. The results obtained in the present study revealed thatmooseer seed has mechanical dormancy and only cold stratification is needed for endosperm weakening.