Contrasting plant ecological benefits endowed by naturally occurring EPSPS resistance mutations under glyphosate selection.

ABSTRACT: Concurrent natural evolution of glyphosate resistance single- and double-point EPSPS mutations in weed species provides an opportunity for the estimation of resistance fitness benefits and prediction of equilibrium resistance frequencies in environments under glyphosate selection. Assessment of glyphosate resistance benefit was conducted for the most commonly identified single Pro-106-Ser and less-frequent double TIPS mutations in the EPSPS gene evolved in the global damaging weed Eleusine indica. Under glyphosate selection at the field dose, plants with the single Pro-106-Ser mutation at homozygous state (P106S-rr) showed reduced survival and compromised vegetative growth and fecundity compared with TIPS plants. Whereas both homozygous (TIPS-RR) and compound heterozygous (TI

SUBMITTER: Vila-Aiub MM 

PROVIDER: S-EPMC8210788 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature