Crops ›› 2019, Vol. 35 ›› Issue (6): 1-7.doi: 10.16035/j.issn.1001-7283.2019.06.001

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Advances in the Research on Potato Continuous Cropping Obstacles

Hou Qian,Wang Wanxing,Li Guangcun,Xiong Xingyao   

  1. Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences/Key Laboratory of Biology and Genetic Improvement of Root and Tuber Crops, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
  • Received:2019-05-05 Revised:2019-07-05 Online:2019-12-15 Published:2019-12-11
  • Contact: Xingyao Xiong

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Abstract:

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.

Key words: Potato, Continuous cropping obstacle, Soil physical and chemical properties, Rhizosphere microorganism

Fig.1

Diagram of potato continuous cropping obstacles"

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