Seasonal proportion change of ryanodine receptor mutation (G4946E) in diamondback moth populations
2017
Itagaki, Y. (Utsunomiya University, Utsunomiya, Tochigi (Japan). School of Agriculture) | Sonoda, S.
This study examined the seasonal proportion change of ryanodine receptor mutation (G4946E) for Plutella xylostella populations using quantitative sequencing. Results showed that the proportions of G4946E generally increased from spring through summer, but then decreased in autumn. Furthermore, the proportions in late autumn were similar to those in early spring of the subsequent year. These results suggest that diamide effectiveness for P. xylostella control in the reference year can be evaluated based on a proportion survey in the prior year.
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