Plant-herbivore-carnivore interactions in cotton, Gossypium hirsutum: linking belowground and aboveground.

Journal of Chemical Ecology
D M OlsonT Potter

Abstract

Most studies on plant-herbivore interactions focus on either root or shoot herbivory in isolation, but above- and belowground herbivores may interact on a shared host plant. Cotton (Gossypium spp.) produces gossypol and a variety of other gossypol-like terpenoids that exhibit toxicity to a wide range of herbivores and pathogens. Cotton plants also can emit herbivore-induced volatile compounds at the site of damage and systemically on all tissues above the site of damage. As these volatile compounds attract natural enemy species of the herbivore, they are thought to represent an indirect plant defense. Our study quantified gossypol and gossypol-like compounds in cotton plants with foliage feeding (Heliocoverpa zea), root feeding (Meloidogyne incognita), or their combination. Cotton plants with these treatments were studied also with respect to induced local and systemic volatile production and the attraction of the parasitic wasp Microplitis croceipes to those plants. We also evaluated whether foliage or root feeding affected foliar nitrogen levels in cotton. After 48 hr of leaf feeding and 5 wk of root feeding, local and systemic induction of volatiles (known to attract parasitoids such as M. croceipes) occurred with herbivore ...Continue Reading

References

Feb 19, 2004·Journal of Agricultural and Food Chemistry·Xi Wang, Leslie C Plhak
Apr 9, 2005·Nature·Sergio RasmannTed C J Turlings

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Citations

Jun 4, 2010·Transgenic Research·Maria Carolina Blassioli MoraesMiguel Borges
Mar 27, 2012·PloS One·Tapan Kumar MohantaCinzia M Bertea
Apr 3, 2012·Journal of Chemical Ecology·Roxina SolerT Martijn Bezemer
Sep 30, 2014·Journal of Chemical Ecology·Ricardo A Ramirez, Lori R Spears
Apr 3, 2014·Plant, Cell & Environment·J PeñuelasJ P Schnitzler
Sep 17, 2014·PloS One·Steffen HagenbucherJörg Romeis
Jun 1, 2016·Frontiers in Plant Science·Ju-Xin RuanChang-Qing Yang

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