Enantiomeric impacts of two amide chiral herbicides on Echinochloa crus-galli physiology and gene transcription.

摘要: Echinochloa crus-galli is one of the most noxious weeds in world and causes yield losses a variety different field crops. Napropamide acetochlor are herbicides commonly employed to control this weed. Both compounds chiral, with enantiomers displaying activities. However, it unclear how these two chiral act on tissues E. crus-galli. The objective paper investigate action mechanism napropamide roots shoots R‑enantiomers were found be more active than either racemates or S-enantiomers content chlorophyll was not significantly affected by treatment enantiomer. impacts activity for oxidative stress enzymes, except catalase (CAT), showed that both could induce stress. Furthermore, caused greater damage. Enhanced glutathione-S-transferase (GST) expression GST genes suggested EcGSTF1 EcGSTZ1 present shoots, will helpful detoxification. changes revealed displayed tissue selectivity These results enable better understanding tissues, including