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KMID : 0903619940350060574
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Journal of the Korean Society for Horticultural Science
1994 Volume.35 No. 6 p.574 ~ p.580
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Effect of Priming Conditions on Enhancing Germination of Tomato Seeds
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Cho Jeoung-Lai
Jeong Yeon-Ok
Kang Nam-Jun
Kim Jae-Hwan
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Abstract
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The conditions for priming tomato seeds have been optimized to insure an early germination and more uniform growth of seedlings at the nursery. In all the treatments of the seeds with eight different chemicals, at four concentrations each, Ca(NO₃)₂ at 100 mM resulted in the shortest T_(50) (days to 50% of the final germination). Seeds primed at 20 C for 4 days germinated most rapidly at all three temperature regimes tested for germination. The effectiveness of priming in reducing the T_(50) was greater when the seeds were germinated at 10℃ to 15℃ than at temperatures higher than 20℃. This result highlights the potential value of seed priming especially when temperature is lower than the optimum for planting in the field.
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