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Using leaf chlorophyll fluorescence for in-season diagnosing herbicide resistance in Echinochloa species at reproductive growth stage

Zhang Chuan-Jie, Kim Do-Soon
2018 Plant Protection Science  
The chlorophyll fluorescence measurement to diagnose herbicide resistant Echinochloa species at the reproductive (late) growth stage was applied. The significant correlation between F<sub>v</sub>/F<sub>m</sub> (chlorophyll fluorescence measurements) and fresh weight (whole plant test) and the statistical similarity of R/S ratios between the two tests demonstrated that the chlorophyll fluorescence test could be reliably used to diagnose herbicide resistant Echinochloa spp. at the reproductive
more » ... the reproductive growth stage in a shorter period of time (within 10 days) compared with the conventional whole plant test.
doi:10.17221/51/2017-pps fatcat:53mt5vh655cyvkdilmp74n7bge