Solid Matrix Priming Treatment with O2 Enhanced Quality of Leek Seed Lots

Eren OZDEN; Sitki ERMIS; Ozge SAHIN; Mehmet B. TASKIN; Ibrahim DEMIR

doi:10.15835/nbha46110749

Authors

Eren OZDEN Ankara University, Faculty of Agriculture, Department of Horticulture, 06110, Diskapi, Ankara (TR) http://orcid.org/0000-0001-7507-9815
Sitki ERMIS Variety Registration and Seed Certification Center, Yenimahalle, Ankara (TR)
Ozge SAHIN Ankara University, Faculty of Agriculture, Department of Soil Science and Plant Nutrition, 06110, Diskapi, Ankara (TR)
Mehmet B. TASKIN Ankara University, Faculty of Agriculture, Department of Soil Science and Plant Nutrition, 06110, Diskapi, Ankara (TR)
Ibrahim DEMIR Ankara University, Faculty of Agriculture, Department of Horticulture, 06110, Diskapi, Ankara (TR)

DOI:

https://doi.org/10.15835/nbha46110749

Keywords:

catalase, mean germination time, N2, seed germination, solute leakage

Abstract

This study aims to determine the effect of solid matrix priming (SMP) treatment with an air composition of O₂, N₂, air, vacuum on four leek (Allium ampeloprasum L.) seed lots of various ages, in terms of enhancing germination, mean germination time, electrical conductivity of solute leakage and catalase activity. Untreated seeds were used as control. Solid matrix priming at a seed: vermiculite: water ratio of 2.5:1.25:3.75 (w/w/w) was applied at 20 °C for 24 hours in the dark. Solid matrix priming with O₂was found to give the highest germination, lowest mean germination time, lowest electrical conductivity (reduced solute leakage) and the highest catalase activity among all treatments and lots. SMP treatment with air provided positive response, while N₂and vacuum treatments were found to be less effective. The advantages of solid matrix priming were more pronounced in lower quality lot than in the higher quality ones. The results indicated that oxygen enrichment in SMP may enhance leek seed quality.

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