Effects of seed coating with plant hormones on the seed quality and seedling growth of tomato

Main Article Content

กิตติวรรณ กล้ารอด
บุญมี ศิริ

Abstract

The aims of this experiment were to find the types and application rate of plant hormones and
coating of tomato seeds on germination, vigor and growth of seedlings after coating and accelerated
aging. The experiment was conducted at seed technology laboratory, Seed Processing Plant, Faculty of
Agriculture, KhonKaen University. The tomato seeds were coated by centri seed coater model SKK 10.
Polyvinylpyrrolidone (PVP-K90) was used as a polymer, with 4.0% aqueous and mixed with 3 types and
different concentrations of plant hormones, namely, GA 1.5, 2.0 and 2.5%, IBA with 0.2, 0.3 and 0.4%, and
IAA with 1.0, 1.5 and 2.0%. The coated seeds were then tested for quality. Seed vigor was tested by using
accelerated aging method. The results indicated that the germination of coated seed with 2.0% of IAA
gave the highest seed germination, by increasing of about 27% compared to a non-coated seeds under
laboratory. The results after accelerated aging showed that the coated seed with 2.0% of IAA had higher


seed vigor, with increasing of seed germination and speed germination under greenhouse condition about
65% and 86%, respectively compared to non-coated seeds. In addition, the coated seeds with plant
hormones in all treatments showed higher seedling growth rate than non-coated seeds when evaluated
after coating and accelerated aging.

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How to Cite
กล้ารอด ก., & ศิริ บ. (2016). Effects of seed coating with plant hormones on the seed quality and seedling growth of tomato. King Mongkut’s Agricultural Journal, 34(3), 143–156. retrieved from https://li01.tci-thaijo.org/index.php/agritechjournal/article/view/181029
Section
Research Articles

References

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