Erratum to BOA Detoxification of Four Summer Weeds during Germination and Seedling Growth (J Chem Ecol, (2012), 10.1007/s10886-012-0136-4)

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The incorrect file for Fig. 1 of this paper was inadvertently inserted into this paper. Structures of DIBOA. DIMBOA, Glucoside carbamate, Glucoside methoxycarbamate, and BOA-6-OH were incorrect. No formulae were inserted for Gentiobioside- and malonylglucoside carbamate. The correct figure is presented here. The authors regret the error. A recent greenhouse study revealed a significant reduction of germination and growth of redroot pigweed (Amaranthus retroflexus) and common purslane (Portulaca oleracea) by rye mulch, whereas velvetleaf (Abutilon theophrasti) and common lambsquarters (Chenopodium album) were not suppressed. Since BOA detoxification by metabolic alteration may influence the relation between the benzoxazinoid content of the soil mulch and weed suppression, we tested the dynamics in BOA detoxification in different plant organs of three and 10-day-old seedlings of four warm season weeds incubated with five BOA concentrations (4, 20, 40, 80, and 200 μmol g−1 fresh weight). In addition, germination and length of 3-day-old seedlings were measured after exposure to 0, 0.3, 1.5, 3, 6, and 15 μmol BOA. Finally, we tested the influence of the MDR translocator inhibitors verapamil, nifedipine, and the GST inhibitor ethycrynic acid on BOA accumulation and detoxification activity. Due to BOA-detoxification, all weeds were able to grow in environments with low BOA contents. At higher contents, Abutilon theophrasti and Chenopodium album had a better chance to survive because of highly active mechanisms that avoided the uptake of BOA (A. theophrasti) and of efficient detoxification activities in youngest seedlings (C. album). The interpretation of all of the data gave the following sequence of increasing sensitivity: A. theophrasti <<< C. album << P. oleracea ≤ A. retroflexus. The results were in agreement with recent findings of the suppression of these weeds by rye mulches and their benzoxazinoid contents. Our studies demonstrate for the first time that the detoxification of BOA influences the survival of certain weeds in environments enriched with this allelochemical. Therefore, detoxification processes affect the potential for weed suppression by soil allelochemicals in sustainable weed management.
Original languageEnglish
Pages (from-to)947-947
Number of pages1
JournalJournal of Chemical Ecology
Publication statusPublished - 2012


  • Allelopathy
  • BOA detoxification
  • Benzoxazolinones
  • Bioherbicides
  • Summer weeds


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