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KMID : 0903619820230020115
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Journal of the Korean Society for Horticultural Science
1982 Volume.23 No. 2 p.115 ~ p.121
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Effect of Soaking in Salt Solutions after Daminozide Pretreatment and Culturing in Nutrient Solutions of Varying Salt Concentrations on the Growth and Nutrient Contents of Tomato plants
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Abstract
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Seedling growth of ´Mansudaehyung´ tomato was inhibited by soaking is 0.5∼5.0% salt solutions whereas the growth of ´Yellow Tiny Tim´ was promoted by soaking in 0.5 and 1.0% salt solutions. Pretreatment with 5,000∼10,000ppm daminozide was effective in reducing the salt-induced growth inhibition even though the overall seedling growth was inhibited by daminozide pretreatment. In solution culture, the best growth was obtained with fell strength of Hoagland solution. Salt-induced growth inhibition was higher in the seedlings grown solutions of higher nutrient level. The tomato leaves accumulated upto 11% of Na (dry weight basis) and there was significant negative correlation between leaf Na and K contents. Shoot dry u-eight ratio was higher in the seedlings grown in solutions of higher nutrient level and NaCl concentrations in the nutrient solutions had little or no effect on the ratio.
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