马铃薯连作障碍研究进展

马铃薯是世界上四大粮食作物之一。在中国由于马铃薯大面积连年种植,造成连作障碍,导致块茎产量和品质下降等问题。连作障碍是土壤与作物相互作用的结果。本文综述了引起马铃薯连作障碍的主要原因,以及防治马铃薯连作障碍的主要方法。主要从连作马铃薯土壤理化性质劣变、化感自毒作用、土壤微生物群落结构变化等方面介绍了马铃薯连作障碍机制的研究进展;并从合理轮作、间套作,施用生物有机肥等农艺措施,化学熏蒸、物理消毒等土壤消毒措施方面介绍了马铃薯连作障碍防控的研究进展,旨在为研究马铃薯连作障碍机理和建立克服连作障碍的技术奠定基础。

Advances in the Research on Potato Continuous Cropping Obstacles

Potato is one of the four major food crops in the world. In China, due to the large-scale successive planting, the continuous cropping obstacles on potatoes are serious which lead to a series of problems such as yield and quality reduction. Continuous cropping obstacle is the result of interaction between soil and crops. This paper reviews the main causes of potato continuous cropping obstacles and the main methods to control potato continous cropping obstacles. The research progress of potato continuous cropping mechanism is introduced from the aspects of contiuous physical and chemical deterioration of potato soil, allelopathic self-toxicity and soil microbial community structure change. The prevention and control of potato continuous cropping soil, allelopathy and autotoxicity rhizosphere, microorganisms change and methods to overcome potato continuous cropping obstacles were also introduced. This paper aims at laying the foundation for studying the mechanism and establishing technology to overcome the continuous cropping obstacles.