LIU Xiu-lin,ZHANG Bi-xian,WANG Guang-jin,et al.Research Progress of Root Exudates for Efficient Dissociation of Insoluble Phosphorus[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(12):157-159.[doi:10.11942/j.issn1002-2767.2018.12.0157]
高效解离难溶磷素根系分泌物研究进展
- Title:
- Research Progress of Root Exudates for Efficient Dissociation of Insoluble Phosphorus
- Keywords:
- root exudates; insoluble phosphorus; efficient dissociation
- 文献标志码:
- A
- 摘要:
- 磷是植物所必需的矿质元素之一,在植物生命活动中起重要的作用,但由于其易被土壤中的金属离子吸附、固定,使得施入土壤中的磷肥80%被转化成难溶磷素,不能被植株所吸收利用。植物根系除支撑植物生长外,也是水分、矿质元素吸收的重要器官。在土壤有效磷匮乏条件下,植物根系通过大量分泌有机酸类物质来改善根系土壤磷素微环境,促进对难溶磷素的解离,维持了植物体正常的生命活动。为避免磷矿资源浪费和环境污染,从难溶磷素在土壤中的形态及组成、对根系农艺及根系构型、根系分泌物活化难溶磷素、根系分泌物分子生物学研究等方面进行了综述,以期为根解析植物高效解离利用难溶磷素提供借鉴和参考。
- Abstract:
- Phosphorus was an important mineral of plant,and it act as an important effect in plant growth,yet it can be changed into insoluble phosphorus which cannot be absorbed by plant.Under insoluble phosphorus condition,organic acid in root exudates can effectively dissociated insoluble phosphorus.In fact,root exudates act as important medium between plant and the environment for transmissions of material,energy and information via root.This paper reviewed the recent progress of root exudates in dissociation of insoluble phosphorus so as to provide useful reference to the study of root exudates in dissociated the insoluble phosphorus.
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备注/Memo
收稿日期:2018-08-10