Effects of Concentration of KNO3 Solution and Soaking Duration during Seed Priming on Germination and Vigor of Dill (Anethum graveolens L.) Seeds

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Published: Sep 30, 2020
Keywords:
Seed vigor mean germination time germination enhancement

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Kunjanas Sukasem
Department of Horticulture, Faculty of Agriculture, Kasetsart University, Chatuchak, Bangkok 10900
Pariyanuj Chulaka
Department of Horticulture, Faculty of Agriculture, Kasetsart University, Chatuchak, Bangkok 10900
พิจิตรา แก้วสอน
Department of Horticulture, Faculty of Agriculture, Kasetsart University, Chatuchak, Bangkok 10900

Abstract

Various germination problems with dill seeds are often found. Typical problems are low rate of germination, delayed germination, and non-uniform generation. Therefore, the objective of this research was to study the effects of various KNO3 solutions and priming duration on germination in order to enhance the germination and vigor of dill seeds. The experiment was of 3×2 factorial completely randomized design with non-primed seed used as a control. Factor A was three concentrations of 0 (reverse osmosis, RO), 250 and 500 mg/L KNO3, and factor B was two soaking durations, 12 and 24 hours. The germination percentages, days to emergence (DTE) and mean germination times (MGT) were recorded at 21 days after testing. The results showed that seed priming with 250 mg/L KNO3 solution for 12 hours and priming with RO water for 12 and 24 hours gave the highest germination percentages, the fastest days to emergence (DTE), and fastest mean germination times (MGT), with no significant differences between those conditions. On the other hand, non-primed seed (control) had the lowest germination percentage and slowest DTE and MGT. Thus, the combinations of seed priming with 250 mg/L KNO3 solution for 12 hours, and seed priming with RO water for 12 or 24 hours were able to enhance dill seed germination.

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How to Cite
Sukasem, K. ., Chulaka, P. ., & แก้วสอน พ. (2020). Effects of Concentration of KNO3 Solution and Soaking Duration during Seed Priming on Germination and Vigor of Dill (Anethum graveolens L.) Seeds. King Mongkut’s Agricultural Journal, 38(3), 280–287. retrieved from https://li01.tci-thaijo.org/index.php/agritechjournal/article/view/203482
Issue
Vol. 38 No. 3 (2020): กรกฎาคม-กันยายน
Section
Research Articles

King Mongkut's Agricultural Journal

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