ZHAO Jie,XIAO Hui,WANG Liyan,et al.Effects of Salt Ions on the Calcium Absorption of Tomato in Coastal Saline-alkali Soil[J].Northern Horticulture,2021,(14):1-7.[doi:10.11937/bfyy.20204020]
滨海盐碱土壤盐分离子对番茄钙吸收的影响
- Title:
- Effects of Salt Ions on the Calcium Absorption of Tomato in Coastal Saline-alkali Soil
- 文献标志码:
- A
- 摘要:
- 以“勇士808”号番茄为试材,采用阳离子(Na+、K+、Mg2+、Ca2+) 和阴离子(CO2-3、HCO-3、SO2-4、Cl-)正交设计实验,研究了土壤中盐分离子对番茄植株根、茎、叶钙离子吸收的影响,以期揭示滨海盐碱地番茄生理缺钙机理。结果表明:阳离子中Na+与番茄植株根、茎、叶中钙含量均呈负相关,且影响显著,低浓度的Na+有利于根部从土壤中吸收Ca2+;K+与番茄植株各器官中钙含量呈负相关,而Ca2+和 Mg2+则与番茄植株各器官中钙含量呈正相关。阴离子中CO2-3与番茄植株根、茎、叶的钙含量均呈负相关,且影响显著;其余阴离子对植株钙含量影响不显著。
- Abstract:
- Taking ‘Warrior 808’ tomato as test material,orthogonal experiments were conducted with cations (Na+,K+,Mg2+,Ca2+) and anions (CO2-3,HCO-3,SO2-4,Cl-) to study the effects of salt ions on the calcium absorption of tomato,in order to reveal the physiological mechanism of calcium deficiency in tomato in the saline-alkali soil.The results showed that Na+ had a significant negative effect on the calcium content in the roots,stems and leaves of tomato,and lower concentration of Na+ favored the root to absorb Ca2+ from the soil.K+ was negatively correlated with calcium content in tomato.However,Mg2+ and Ca2+ were positively correlated with calcium content in tomato.Among anions,CO2-3 was negatively correlated with the calcium content significantly in the roots,stems and leaves of tomato,other anions had no significant effect on calcium content of plants.
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备注/Memo
第一作者简介:赵杰(1988-),女,硕士,助理研究员,现主要从事盐碱地改良及植物营养等研究工作。E-mail:zhaojie10310820@163.com.责任作者:肖辉(1981-),男,硕士,副研究员,现主要从事盐碱地改良等研究工作。E-mail:xiaohui-81@163.com.基金项目:天津市农业科学院院长基金资助项目(17005);天津市科技计划资助项目(15ZXZYNC00020);国家科技支撑计划资助项目(2013BAD05B08)。收稿日期:2020-09-18