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不同生长状况的卡特兰植株营养元素研究

The Nutrient Elements of Different Growth Conditions of Cattleya hybrida

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【作者】 郑芝波庾富文刘远星钟伟斌胡楚维罗诗

【Author】 ZHENG Zhi-bo;YU Fu-wen;LIU Yuan-xing;ZHONG Wei-bin;HU Chu-wei;LUO Shi;The Agriculture Research Center of Dongguan;

【机构】 东莞市农业科学研究中心

【摘要】 测定不同生长状况的卡特兰植株成熟假球茎、叶营养元素含量,并检测栽培基质pH、EC值。结果表明,除N、P元素外,生长差的植株K、Ca、Mg、Mn、Zn、Fe、Cu、Mo元素均显著高于生长优良的植株,且生长差的植株栽培基质酸化、盐分积累严重。可见盐分积累是造成植株生长差的原因,建议产业化栽培卡特兰时,采用疏松透气的基质,施肥不宜太浓或过勤,且多淋清水促洗盐。

【Abstract】 To discuss the reasons of poor growth of Cattleya hybrida, the nutrient elements contents of its leaves and pseudobulbs on different growth conditions were studied, the p H and EC values of leaching solution of cultivation substrate were also detected. The results showed that the contents of K, Ca, Mg, Mn, Zn, Fe, Cu and Mo in poor growth plants were increased significantly with higher p H and EC values of the leaching solution. It was indicated that salt accumulation might be the main reason of poor growth. Therefore, industrial cultivation of C. hybrida was suggested to apply loose substrate, fertilization should not be too much or too thick, and more rain water was recommended.

【关键词】 卡特兰假球茎栽培基质盐分
【Key words】 Cattleya hybridapseudobulbleafculture substratesalt
【基金】 东莞市科技局的东莞市国际科技合作(含港澳台)项目(201350810100131)
  • 【文献出处】 亚热带植物科学 ,Subtropical Plant Science , 编辑部邮箱 ,2016年04期
  • 【分类号】S682.31
  • 【下载频次】69
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