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The Suppressive Effects of Calcium Compounds against Botrytis cinerea in Paprika  

Yoon, Cheol-Soo (Department of Plant Science, Gangneung-Wonju National University)
Yeoung, Young-Rog (Department of Plant Science, Gangneung-Wonju National University)
Kim, Byung-Sup (Department of Plant Science, Gangneung-Wonju National University)
Publication Information
Horticultural Science & Technology / v.28, no.6, 2010 , pp. 1072-1077 More about this Journal
Abstract
Plant diseases including gray mold caused by Botrytis cinerea are often reduced when calcium compounds are used as alternative materials in paprika. However, much less information is available about the effects of calcium compounds on controlling of $B.$ $cinerea$. Seven calcium compounds such as calcium sulfate dihydrate, calcium chloride, calcium nitrate, calcium oxide, calcium hydroxide, calcium carbonate, and calcium hydride were evaluated for their effectiveness against $B.$ $cinerea$ on potato dextrose agar medium. The pH of selected calcium compounds was higher (pH 8.2-10) than that of the control (pH 6.6). Calcium carbonate, calcium oxide, calcium hydride, and calcium hydroxide among seven calcium compounds were more effectively inhibited the growth of $B.$ $cinerea$ than other calcium compounds. In the case of spraying the spore suspension on paprika applied with the selected four calcium compounds and supplied with the selected calcium supplements in a hydroponic culture system, the paprika treated with calcium compounds showed less severity of disease than those untreated plants. On the basis of our results, we propose that the suppressive effects of calcium compounds on $B.$ $cinerea$ in paprika resulted from the supply of calcium and a certain degree of salt stress.
Keywords
alternative strategy for disease management; gray mold; plant disease;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
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