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花期减少施钙量对不同钙效率番茄果实钙形态和含量的影响
引用本文:董彩霞,周健民,范晓晖,王火焰,段增强.花期减少施钙量对不同钙效率番茄果实钙形态和含量的影响[J].植物生理学通讯,2003,39(2):128-130.
作者姓名:董彩霞  周健民  范晓晖  王火焰  段增强
作者单位:1. 南京农业大学资源与环境学院,210095
2. 中国科学院南京土壤研究所,南京,210008
基金项目:中国科学院南京土壤研究所所长基金 (BR0 0 0 7)
摘    要:花期降低施钙量后,钙低效番茄品种L-402果实中钙含量显著降低,高效品种江蔬一号降低不显著,镁含量显著增加,钾含量有增加趋势。果实底端的钙含量高于顶端,降低施钙量后果实水溶性钙含量和比例显著提高,果胶酸钙含量和比例降低,磷酸钙含量也降低。钙低效品种L-402水溶性钙含量的增加,以及果胶酸钙和磷酸钙的降低程度,都大于高效品种江蔬一号,且降钙后果实顶端的革酸钙含量和比例增加。

关 键 词:番茄  钙效率  花期施肥  施钙量  果实  钙形态  钙含量  脐腐病
修稿时间:2002年5月27日

Effects of Decrease of Ca Application on Ca Forms and Content in the Fruit of Different Calcium Efficiency Tomato Cultivars in Florescence
DONG Cai Xia,ZHOU Jian Min,FAN Xiao Hui,WANG Huo Yan,DUAN Zeng Qiang.Effects of Decrease of Ca Application on Ca Forms and Content in the Fruit of Different Calcium Efficiency Tomato Cultivars in Florescence[J].Plant Physiology Communications,2003,39(2):128-130.
Authors:DONG Cai Xia  ZHOU Jian Min  FAN Xiao Hui  WANG Huo Yan  DUAN Zeng Qiang
Abstract:Results showed that when Ca application was lowed at flowering, the Ca content in fruit of Ca low effective cultivar L 402 decreased significantly, while it was not affected too much in Ca high effective cultivar Jiangshu No.1. Mg content in fruit increased markedly and K content had an increasing tendency in both cultivars cultured by low Ca. The Ca content in distal part was lower than that in proximal part in fruit. Decreasing the Ca application resulted in increases of content and ratio of soluble Ca fraction while Ca pectate and Ca phosphate decreased markedly. The changing degree of the Ca fractions mentioned above in the fruit of Ca low effective cultivar L 402 was more than that in Jiangshu No.1, when decreased Ca application, the content and ration of Ca oxalate in fruit top increased in L 402.
Keywords:tomato fruit  decease the Ca application  Ca forms  Ca  K and Mg content  
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