Genetic approaches to sustainable pest management in sugar beet (Beta vulgaris)

C. L. Zhang*, D. C. Xu, X. C. Jiang, Y. Zhou, J. Cui, C. X. Zhang, D. F. Chen, M. R. Fowler, M. C. Elliott, N. W. Scott, A. M. Dewar, A. Slater

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

32 Citations (Scopus)

Abstract

Sugar beet (Beta vulgaris) is an important arable crop, traditionally used for sugar extraction, but more recently, for biofuel production. A wide range of pests, including beet cyst nematode (Heterodera schachtii), root-knot nematodes (Meloidogyne spp.), green peach aphids (Myzus persicae) and beet root maggot (Tetanops myopaeformis), infest the roots or leaves of sugar beet, which leads to yield loss directly or through transmission of beet pathogens such as viruses. Conventional pest control approaches based on chemical application have led to high economic costs. Development of pest-resistant sugar beet varieties could play an important role towards sustainable crop production while minimising environmental impact. Intensive Beta germplasm screening has been fruitful, and genetic lines resistant to nematodes, aphids and root maggot have been identified and integrated into sugar beet breeding programmes. A small number of genes responding to pest attack have been cloned from sugar beet and wild Beta species. This trend will continue towards a detailed understanding of the molecular mechanism of insect-host plant interactions and host resistance. Molecular biotechnological techniques have shown promise in developing transgenic pest resistance varieties at an accelerated speed with high accuracy. The use of transgenic technology is discussed with regard to biodiversity and food safety.

Original languageEnglish
Pages (from-to)143-156
Number of pages14
JournalAnnals of Applied Biology
Volume152
Issue number2
DOIs
Publication statusPublished - Apr 2008
Externally publishedYes

Keywords

  • Insect resistance
  • Molecular breeding
  • Nematode resistance
  • Sugar beet (Beta vulgaris L.)
  • Transgenesis
  • Wild Beta germplasms

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