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

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DOI Prefix: 10.47001/IRJIET

Effect of Treatment with Gibberellic Acid on the Dormancy and Sprouting of Tubers of Some Potato Varieties

Abstract

The dormancy of potato tubers after harvest is one of the most important factors affecting the yield of the subsequent potato crop. The genetic factor is one of the most important factors affecting the sprouting and the length of the dormant period. Therefore, we conducted this research with the aim of studying the behavior of the tubers of some potato varieties cultivated in northern Syria towards the dormancy and the sprouting. The research was carried out in the 2019 agricultural season in the Al-Rouj Plain, which is considered one of the most important potato production areas in northern Syria. The test was carried out on three varieties: Spunta, Synergy, and Panela. The tubers were treated with gibberellic acid at four concentrations (0, 5, 10, and 20 ppm) during four soaking periods (0, 10, 20, and 30 minutes). The design was used completely randomly in the experiment with three replicates per treatment and each replicate was one kg tubers. The results showed the superiority of all treatments on the control and in all the studied characteristics. Spunta exceeded the other studied varieties in sprouting speed by 24.75 days, and the number of sprouts on the sample by 8.78. While the variety Panela outperformed the average weight of one sprout by 6.85 g. In addition, the highest concentration (20 ppm) exceeded the other concentrations in all the studied traits. The longer soaking period (30 minutes) outperformed the other soaking periods in all the studied traits. In general, the interaction of Spunta with gibberellin was superior to the higher concentration and the longer soaking period in the overall studied traits.

Country : Syria

1 Dr. Rida DRAIE2 Abdul-Mohsen AL-ALI

  1. Faculty of Agricultural Engineering, University of Idlib, Syria
  2. Postgraduate Student, MA, Faculty of Agricultural Engineering, University of Idlib, Syria

IRJIET, Volume 5, Issue 4, April 2021 pp. 97-107

doi.org/10.47001/IRJIET/2021.504015

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