International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Effect of Some Treatments on Seed and Vegetative Propagation of Hawthorn (Crataegus spp.) in Northwestern Syria

Abstract

This research was conducted in Idlib Governorate, located in northwestern Syria, during the years 2021, 2022 and 2023. The two types of wild hawthorn, Monogyna hawthorn (Crataegus monogyna), and Aronia hawthorn (Crataegus azarolus var. aronia) were propagated by seeds and vegetatively. Two types of treatments were used for sexual propagation by seeds, namely soaking with gibberellin at concentrations of 1000 and 2000 ppm and intervals of 24 and 48 hours, and soaking with sulfuric acid at concentrations of 50% and 98% and intervals of one and two hours. The two treatments were followed by warm stratification for two months, followed by cold stratification for 3 months, while the control treatment was subjected to stratification only. Vegetative propagation was done by cuttings that were dipped in several concentrations of IBA, where concentrations of 4000, 6000, and 8000 ppm were used.

The results showed that seed propagation achieved better results than vegetative propagation. The treatment of Monogyna seeds with gibberellin at a concentration of 2000 ppm and during the 48-hour soaking period significantly outperformed all other treatments, with a germination rate of 73.33%. The treatment of Monogyna cuttings at a concentration of 8000 ppm of IBA significantly outperformed the rest of the experimental treatments, with a rooting rate of 16.67%. The Monogyna type significantly outperformed the Aronia type in seed germination rate and rooting rate of cuttings, with values of 40 and 20.42% for seed germination and 8.42 and 5.17% for rooting of cuttings for the two types, respectively. Finally, alternating (warm and cold) seed stratification, treatment with gibberellin or sulfuric acid, and the use of seeds stored in the refrigerator for a full year, played an important role in increasing the germination rate of hawthorn seeds.

Country : Syria

1 Rasha OBIDEEN2 Dr. Amin ALHASAN3 Prof. Rida DRAIE

  1. Faculty of Agricultural Engineering, Idlib University, Syria
  2. Faculty of Agricultural Engineering, Idlib University, Syria
  3. Faculty of Agricultural Engineering, Idlib University, Syria

IRJIET, Volume 8, Issue 10, October 2024 pp. 39-46

doi.org/10.47001/IRJIET/2024.810007

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