菊科花卉常见缺素症及植株养分含量变化探讨  

Study on common symptoms of element deficiency and concentration changes of nutrients in compositae plants

作　　者：王敏艳[1] 吴良欢[1] 俞信英[2] 王炜勇[2] 梁静静[3] 

机构地区：[1]浙江大学环境与资源学院,环境修复与生态健康教育部重点实验室,杭州310029 [2]浙江省农业科学院花卉研究开发中心,杭州310021 [3]浙江医药股份有限公司新昌制药厂,浙江新昌312500

出　　处：《植物营养与肥料学报》2008年第5期1001-1007,共7页Journal of Plant Nutrition and Fertilizers

基　　金：国家自然科学基金项目(30370838);杭州市科技发展计划(2004532I33)资助

摘　　要：通过溶液培养的方法,研究了3种主要菊科花卉(金盏菊、孔雀草、万寿菊)在缺N、P、K、Ca、Mg、S条件下的缺素症状及其生物量与营养元素变化情况。结果表明,金盏菊、万寿菊缺N,孔雀草缺K时症状最为明显;缺N对金盏菊、孔雀草、万寿菊的植株生物量影响最大;与全素(CK)相比,金盏菊和万寿菊缺K处理植株N浓度增加,3种花卉缺N、缺K处理均增加植株的P含量,但缺P处理降低植株K浓度,缺K处理增加其含Ca量,缺Ca处理增加其含K量和含Mg量,金盏菊缺Mg处理的含K量增加,3种花卉缺S处理植株S含量降幅不大,孔雀草和万寿菊缺N、P、K、Ca处理均可导致植株S含量增加。Three compositae plants,as Calendula officinalis,Tagetes patula,Tagetes erecta,were cultured in N,P,K,Ca,Mg and S deficient solution.The nutrient deficiency symptoms,biomass and nutrient concentration of plant were studied.The results showed that N deficiency of Calendula officinalis and Tagetes erecta were most visible,while the deficiency of Tagetes patula cultured under K deprived solution was most visible.Compared to CK,N concentration of Calendula officinalis and Tagetes erecta increased when cultured under K deprived solution.Of all the three plants,P concentration increased when plant grown without N or K,and K concentration decreased when P was deficient.K and Mg concentration increased when Ca was deficient.Ca concentration was increased when K was not supplied.K concentration of Calendula officinalis was enhanced when Mg was not supplied.S concentration of three plans was not decreased gradually without S being supplied,and S concentration of Tagetes patula and Tagetes erecta were enhanced when N,P,K and Ca were deficient.

关 键 词：金盏菊 孔雀草 万寿菊 缺素 

分 类 号：S681.9[农业科学—观赏园艺]