CUI Meixiang,MA Xingxing,LIU Guiqiao,et al.Effects of Siphon Transfusion Iron Fertilizer Following Trunk on Chlorophyll Content and Activity of FCR in Apple Leaves[J].Northern Horticulture,2017,41(06):31-35.[doi:10.11937/bfyy.201706006]
铁肥虹吸输液滴干对苹果叶片叶绿素含量及FCR活性的影响
- Title:
- Effects of Siphon Transfusion Iron Fertilizer Following Trunk on Chlorophyll Content and Activity of FCR in Apple Leaves
- 文献标志码:
- A
- 摘要:
- 为进一步探索苹果缺铁失绿症的矫治途径，该试验以黄化苹果树为试材，以自制Fe-N为铁肥，采用虹吸输液滴干的方式对缺铁黄化苹果树进行输铁处理，以虹吸输清水及常规管理为对照，对比分析了叶片缺绿等级、叶绿素含量变化，测定了正常绿叶和缺铁黄叶的FCR活力表征以及不同处理FCR活性。结果表明：虹吸输铁处理10 d后，失绿程度由处理前2.00级恢复到0.49级；叶绿素a与叶绿素b含量分别比常规管理叶片增加47.98%和107.70%，并达到差异极显著水平，这说明对缺铁黄化苹果树进行虹吸输液滴干处理，可在短时间内达到明显的复绿效果。FCR活力表征试验表明，黄叶周围的红色晕圈明显强于正常叶片；对照叶片FCR活性显著高于虹吸输铁处理，说明苹果叶片在缺铁情况下可提高FCR活性，从而揭示Fe2+进入叶肉细胞的系统反应，阐明虹吸输液的Fe2+进入叶肉细胞的机理，为更好的利用虹吸输液滴干技术矫正果树缺铁失绿症提供理论依据，表明了虹吸输液滴干矫治苹果缺铁失绿症的可行性。
- Abstract:
- In order to explore a new approach of correcting iron deficiency chlorosis in apple trees,the effect of Fe-N solutions which was our homemade by siphon transfusion following trunk was studied,contrasted by transfusing water and conventional management.By analyzing the degree of yellow leaves,the diversification of chlorophyll content,the feature of FCR activity in normally green leaves and yellow leaves and the activity of FCR in different treatments leaves.The results showed that the degree of the chlorosis was resumed from 2.00 to 0.49 after transfusing Fe-N solution 10 days;chlorophyll a and chlorophyll b content increased by 47.98% and 107.70% than the conventional management,and reached a significant level,that showed that the treatment of siphon transfusion following trunk could achieve a significant re-green effect in a short period of time.The red circle around yellow leaves were much stronger than normal leaves in the characterization test of FCR.The FCR activity of the comparison was significantly higher than the treatment of siphon infusion,which described that the situation of iron deficiency could improve the activity of FCR,thus that revealed the system response of Fe2+ into the mesophyll cells,and clarified the mechanism of Fe into the mesophyll cells by siphon transfusion following trunk,and provided a theoretical basis to better utilize the technology of siphon infusion to correct iron deficiency chlorosis in apple,and it showed the feasibility of the technology of siphon transfusion following trunk correcting iron deficiency chlorosis in apple.
参考文献/References:
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备注/Memo
第一作者简介：崔美香（1969-），女，硕士，副教授，现主要从事植物保护等研究工作。E-mail：270577642@qq.com.责任作者：薛进军（1956-），男，博士，教授，现主要从事果树栽培及生理作物营养调控等研究工作。E-mail：xuejinjun@163.com.基金项目：国家自然科学基金资助项目（31572198）。