Browse > Article

Suppression of Height of Tomato Plug Seedlings by Seed Treatment of Growth Retardants  

정병룡 (경상대학교 대학원 응용생명과학부 원예학과)
신우근 (경상대학교 대학원 응용생명과학부 원예학과)
Publication Information
Journal of Bio-Environment Control / v.11, no.1, 2002 , pp. 23-28 More about this Journal
Abstract
This experiment was conducted far the efficient use of plant growth retardants (PGR) for suppression of plug seedling height. 'Seokwang' tomato seeds were soaked in I5 mL solution of daminozide (1,000, 10,000, or 100,000 mg.L-1) or uniconazole (1, 10, or 100 mg.L-1). And then, they were put in $25^{\circ}C$ chamber for one or three days. Seeds were washed in tap waters and were dried in 5$^{\circ}C$ chamber for one day. Dried tomato seeds were sown and seedlings were raised in 288-cell plug trays. Seedlings grown were evaluated at 21 and 38 days after sowing. Treatments of 10 or 100 mg.L-1 uniconazole as compared to the control had significantly suppressed hypocotyl length and seedling height, but fresh and dry weights of roots, emergence, no. of leaves, chlorophyll concentration, dry matter, and T/R ratio were not significant by different among treatments.
Keywords
unioonazole; daminozide; spindliness; stretchiness; seed soaking;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Pasian, C.C. and M.A. Bennett. 2001. Paclobutrazol soaked marigold, geranium, and tomato seeds produce short seedlings. HortScience 36:721-723
2 Davis, T.D., F.L. Steffons, and N. Sankhla. 1988. Triazole plant growth regulators, p. 63-105. In: J. Janick (ed.). Hort. Rev. vol. 10. Timber Press, Portland, ORe
3 Ito, T. 1992. Present state of transplant production practices in Japanese horticultural industry. p. 65-82. In: Kurata K and Kozai T. (eds.). Transplant Production Systems. Kluwer Academi,c Publishers, The Netheiriands
4 Jeong, B.R. 1998. Technology and environment management for the production of plug transplants of flower crops. Kor. J. Hort. Sci. & Technol. 16:282-286
5 Izumi, K, I. Yamaguchi, A. Wada, H. Oshio. and N. Takahashi. 1984. Effects of a new plant growth retardant (E)-I-(4-Chlorophenyl)-4,4-dimethyl-2-( I ,2A-triazol-I -yl)-l-penten-3-01 (S-3307) on the growth and gibberellin content of rice plants. Plant Cell Physiol. 25:611-617
6 Leskovar, D.I., D.J. Cantliffe, and PJ. Stoffella. 1991. Growth and yield of tomato plants in response to age of transplants. J. Amer. Soc. Hort. Sci. 116:416-420
7 Arnon, D.I. 1949. Copper enzymes in isolated chloroplasts. Polyphenoloxidase in Beta vulgaris. Plant Physiol. 24:1-15   DOI   PUBMED   ScienceOn
8 Kemble, J.M., J.M. Davis, R.G. Gradner. and D.C. Sanders. 1994. Spacing, root cell volume, and age affect production and economics of compact-growthhabit tomatoes. HortScience 29: 1460-1464
9 Weston, L.A. and B.H. Zandstra. 1986. Effect of root container and location of production on growth and yield of tomato transplants. J. Amer. Soc. Hort. Sci. I 11:498-501
10 Lee. J.W. and K.Y. Kim. 1999. Tomato seedling quality and yield following raising seedlings with different cell sizes and pretransplant nutritional regimes. J. Kor. Soc. Hort. Sci. 40:407-411