Volume 4, Issue 2 ((Autumn & Winter) 2018)                   Iranian J. Seed Res. 2018, 4(2): 13-22 | Back to browse issues page


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Hematifar M, Tehranifar A, Akbari bishe H, Abedi B. Facilitating Seed Germination of Eight Species of Hawthorn (Crataegus spp.) Native of Iran, Using Chemical Scarification and Cold Stratification. Iranian J. Seed Res.. 2018; 4 (2) :13-22
URL: http://yujs.yu.ac.ir/jisr/article-1-254-en.html
Department of Horticultural SciencFerdowsi University of Mashhad , tehranifar@um.ac.ir
Abstract:   (13320 Views)

Given the medicinal and ornamental properties of Hawthorn (Crataegus spp.), and given that there are some problems in its propagation, which is due to the hard cover of the seeds and immature embryo, working out techniques that can facilitate the process of seeds’ germination is of great import. Thus, the present study sought to identify the best method for the purpose of breaking the seed dormancy of 8 species of native hawthorn of Iran. The study was carried out as factorial with a completely randomized design and had three replications. The first, second and third factors were, respectively species of Hawthorn in eight levels, sulfuric acid in three levels (half and an hour versus non-treated (control) and chilling treatment in three levels (90, 105 and 120 days, respectively). The results showed that the highest percentage of germination (32%) and germination rate (9.1 day-1) were obtained under the interaction of sulfuric acid treatment for one hour, followed by a 120-day chilling period in C.turkestanica, which had a significant difference with other treatments. It is concluded that hawthorn seeds have deep endocarp and physiological dormancy. The interaction of Sulfuric acid treatment and moist chilling play an important role in increasing the percentage and speed of germination of Hawthorn seeds.

Highlights:

  1.  Achieving the best way to break the dormancy of Hawthorn seeds in different species and genotypes.
  2. Shortening the seeds’ germination time.
Full-Text [PDF 300 kb]   (2185 Downloads)    
Type of Study: Research | Subject: General
Received: 2017/02/8 | Accepted: 2018/03/17

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