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http://dx.doi.org/10.7235/hort.2012.12028

Influence of Ca Fertilization on the Growth and Appearance of Physiological Disorders in Mother Plants and Occurrence of Daughter Plants in Propagation of 'Seolhyang' Strawberry through Soil Cultivation  

Choi, Jong Myung (Department of Horticulture, College of Agriculture, Chungnam National University)
Nam, Min Ho (Department of Horticulture, College of Agriculture, Chungnam National University)
Lee, Hei Soo (Department of Horticulture, College of Agriculture, Chungnam National University)
Kim, Dae-Young (Vegetable Research Division, National Institute of Horticultural & Herbal Science)
Yoon, Moo Kyung (Vegetable Research Division, National Institute of Horticultural & Herbal Science)
Ko, Kwan Dal (Vegetable Research Division, National Institute of Horticultural & Herbal Science)
Publication Information
Horticultural Science & Technology / v.30, no.6, 2012 , pp. 657-663 More about this Journal
Abstract
The Ca deficiency is a serious problem in the propagation of domestically bred 'Seolhyang' strawberry through soil cultivation. The objective of this research was to investigate the impact of the Ca containing fertilizers on the decrease of Ca deficiency symptoms and in the growth of mother and daughter plants. To achieve this, chemicals of 1.125 mM $Ca(OH)_2$, 0.375 mM $MgCl_2$, and 1.25 mM KCl were blended to contain the K:Ca:Mg (4:2:1) and the influence was compared to a commercial fertilizer, Azuro-Calma ($NO_3$-N 13%, $K_2O$ 1%, CaO 16%, MgO 6%), when those were applied as solutions with the electrical conductivity (EC) controlled to 0.6 or 1.0dS ${\cdot}m^{-1}$. During 120 days after transplant, the Azuro-Calma was more effective than the combined fertilizer in the reduction of mother and daughter plants on which Ca deficiency was appeared. The application of two Ca containing fertilizers resulted in the heavier fresh and dry weights of mother plants. The treatments of 1.0dS ${\cdot}m^{-1}$ of two fertilizers were more effective than those of 0.6dS ${\cdot}m^{-1}$. The combined fertilizer was also more effective than Azuro-calma on the growth of above ground plant tissue. The results in length, fresh and dry weight of runners occurred from a mother plants showed that the treatment of 1.0dS ${\cdot}m^{-1}$ of combined fertilizer was most effective followed by those of 1.0dS ${\cdot}m^{-1}$ of Azuro-Calma, 0.6dS ${\cdot}m^{-1}$ of combined fertilizer, 0.6dS ${\cdot}m^{-1}$ of Azuro-Calma, and control. The fresh weights of daughter plants were heavier in the treatments of Ca application than those in the control treatment, but the differences between 0.6dS ${\cdot}m^{-1}$ and control were not significant. The above results indicate that Azuro-Calma is more effective in decreasing plants showing the Ca deficiency symptoms. However, the combined fertilizer of K:Ca:Mg is more desirable when we are concerned about the decrease of crops showing Ca deficiency as well as increase of the growth in above ground plant tissue.
Keywords
Ca deficiency; fertilizer; runner;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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