Potato Research

, Volume 33, Issue 2, pp 181–190 | Cite as

Causes of differences in growth pattern, yield and quality of potatoes (Solanum tuberosum L.) in short rotations on sandy soil as affected by crop rotation, cultivar and application of granular nematicides

  • K. Scholte


A crop rotation experiment was carried out on a light sandy soil in 1979–1986 to study the effects of the frequency of potato cropping on yield, quality and on the occurrence of soil-borne pathogens other than potato cyst nematodes.

Tuber yield decreased markedly with increasing cropping frequency, but also depended on what crops were grown in rotation with potato. Growth during the early part of the season, as well as the length of the growing period, were reduced in short rotations. The fungiVerticillium dahliae andRhizoctonia solani, and root-knot nematodes (Meloidogyne spp.) were the most important yield reducing pathogens. The effects of rotation depended on the cultivar used.

The percentage of mis-shapen tubers increased with increasing cropping frequency and after application of granular nematicides, but the incidence of common scab (Streptomyces scabies) was not affected.

Additional key words

aldicarb Colletotrichum coccodes cropping frequency Meloidogyne hapla M. chitwoodi oxamyl Rhizoctonia solani Streptomyces scabies 


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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • K. Scholte
    • 1
  1. 1.Department of Field Crops and Grassland ScienceWageningen Agricultural UniversityWageningenthe Netherlands

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