Plant traits associated with resistance to Thrips tabaci in cabbage (Brassica oleracea var capitata)

R.E. Voorrips, M.M. Steenhuis, M. Tiemens-Hulscher, E. Lammerts Van Bueren

Research output: Contribution to journalArticleAcademicpeer-review

20 Citations (Scopus)

Abstract

Thrips tabaci is a major problem in the cultivation of cabbage for storage, as this pest causes symptoms that necessitate the removal of affected leaves from the product. Between cabbage varieties large differences in susceptibility occur. This study aimed to identify plant traits associated with these differences, in field experiments with natural infestation in 2005 and 2006. One factor affecting the amount of thrips damage was the timing of the development of the head. In an experiment with different planting dates especially the early maturing, more susceptible varieties were shown to benefit from later planting. In comparisons of multiple varieties in both years, regression studies showed that more advanced plant development in August and early September increased thrips damage at the final harvest. However, no single plant trait explained more than 25% (2005, Brix) or 48% (2006, compactness) of the variation in thrips damage. Optimal regression models, explaining up to 75% of the variation in thrips damage included Brix and leaf surface wax late in the season, as well as an indicator of plant development earlier in the season, and in 2005 also leaf thickness. The possible role of these plant traits in relation to thrips is discussed
Original languageEnglish
Pages (from-to)409-415
JournalEuphytica
Volume163
Issue number3
DOIs
Publication statusPublished - 2008

Keywords

  • thrips tabaci
  • brassica oleracea var. capitata
  • cabbages
  • pest resistance
  • brix
  • wax coatings
  • maturity
  • thysanoptera
  • damage
  • wax

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