Relationship between water-soluble carbohydrate composition of cabbage (Brassica oleracea L. var. capitata) and damage levels of onion thrips

Authors

  • Dragan ŽNIDARČIČ Biotechnical faculty, University of Ljubljana, Jamnikarjeva 101, SI-1111 Ljubljana, Slovenia
  • Rajko VIDRIH Biotechnical faculty, University of Ljubljana, Jamnikarjeva 101, SI-1111 Ljubljana, Slovenia
  • Mateja GERM National Institute for Biology, Večna pot 111, SI-1111 Ljubljana, Slovenia
  • Dean BAN Institute of Agriculture and Tourism, Poreč, Carla Huguesa 8, CR-52 440 Poreč, Croatia
  • Stanislav TRDAN Biotechnical faculty, University of Ljubljana, Jamnikarjeva 101, SI-1111 Ljubljana, Slovenia

DOI:

https://doi.org/10.14720/aas.2007.89.1.14975

Keywords:

cabbage, Brassica oleracea, water-soluble carbohydrate, onion thrips, damage

Abstract

The impact of water-soluble carbohydrate composition in relation to damage levels of onion thrips (Thrips tabaci Lindeman), were studied under field conditions at the Experimental Field of the Biotechnical Faculty in Ljubljana on 7 cabbage cultivar (Brassica oleracea L. var. capitata). Onion thrips showed weak preference on cabbage heads with high amount of total carbohydrate, fructose and glucose and higher preference on heads with high concentration of sucrose. While amount of total carbohydrate, fructose and glucose were negatively correlated with damage levels (r2 = -0.7667; r2 = -0.6947; r2 = -0.8263), sucrose amount was not. There was a strong positively relationship between sucrose amount and the level of plants infested (r2 = +0.7378). The cv.‘Hinova’, which had the highest amount of total carbohydrate, showed itself to be the most resistant to the onion thrips.

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Published

15. 08. 2007

Issue

Section

Original Scientific Article

How to Cite

ŽNIDARČIČ, D., VIDRIH, R., GERM, M., BAN, D., & TRDAN, S. (2007). Relationship between water-soluble carbohydrate composition of cabbage (Brassica oleracea L. var. capitata) and damage levels of onion thrips. Acta Agriculturae Slovenica, 89(1), 25–33. https://doi.org/10.14720/aas.2007.89.1.14975

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