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Studies on Effects of K2SO4 on Pigment and Soluble Sugar Contents in Leaves of Cotinus coggygria
Pages: 55-57
Year: Issue:  2
Journal: Acta Agriculturae Jiangxi

Keyword:  K2SO4美国红栌色素可溶性糖;
Abstract: 通过对美国红栌夏季叶面喷施不同浓度的K2SO4,研究其对提高观赏价值的作用.以美国红栌5年生苗木为试材,K2SO4浓度设K1 0.3%、K2 0.6%、K3 0.9%、K4 1.2%,另设清水对照,7月份每隔5 d处理1次,共3次,最后1次处理5 d后取样,测定叶片中叶绿素、花色素苷、类胡萝卜素、可溶性糖含量,结果表明,K1处理使叶绿素含量上升,其他处理叶绿素下降,花色素苷和可溶性糖含量随着K2S...
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