LIU Chao-gui,XU Jian,YANG Jing,et al.Effect of Different Concentrations of Potassium Dihydrogen Phosphate Irrigation and Fertilize on Tomato Seedling[J].Northern Horticulture,2014,38(23):27-29.
不同浓度磷酸二氢钾灌施对番茄幼苗生理生化的影响
- Title:
- Effect of Different Concentrations of Potassium Dihydrogen Phosphate Irrigation and Fertilize on Tomato Seedling
- 文章编号:
- 1001-0009(2014)23-0027-03
- 分类号:
- S 641.206+.2
- 文献标志码:
- B
- 摘要:
- 以“合作903”番茄为试材，研究土壤施用不同浓度磷酸二氢钾对番茄幼苗可溶性蛋白质含量、叶绿素含量、过氧化氢酶活性等生理生化指标的影响，初步探索土壤施用磷酸二氢钾对提高番茄幼苗抗逆性和生理活性的作用。结果表明：可溶性蛋白质含量在磷酸二氢钾浓度2%～4%由小变大，4%～6%由大变小；叶绿素含量在磷酸二氢钾浓度2%和4%下无明显变化，浓度6%下急剧变小；过氧化氢酶活性随磷酸二氢钾浓度升高呈现递减趋势。通过对不同处理的多种指标综合分析，初步认为土壤施用磷酸二氢钾以浓度2%～4%为宜。
- Abstract:
- Taking ‘Cooperative 903’ tomato as experimental material，effect of soil applications of different concentration of potassium dihydrogen phosphate on tomato seedling physiological and biochemical such as soluble protein content，chlorophyll content，catalase activity were studied.The effect of application of potassium dihydrogen phosphate in soil on improving stress tolerance and physiological activity of tomato seedling were discussed.The results showed that soluble protein content showed from little to much in potassium dihydrogen phosphate of 2%-4%，showed from much to little of 4%-6%；chlorophyll content had no significant change in potassium dihydrogen phosphate of 2% and 4% concentrations，in 6% concentration rapidly became smaller；catalase activity decreased with the increasing of potassium dihydrogen phosphate concentration.Based on comprehensive analysis of different processing of a variety of indicators conclusion that concentration between 2% and 4% of potassium dihydrogen phosphate soil fertilization was advisable.
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备注/Memo
第一作者简介：刘朝贵（1955-），男，副教授，硕士生导师，现主要从事蔬菜栽培生理和食用菌等研究工作。Email:xndxlcg@163.com.