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

Chuan-Jie Zhang and Do-Soon Kim
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Chuan-Jie Zhang: Department of Plant Science, Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul, South Korea

Plant Protection Science, 2018, vol. 54, issue 3, 194-202

Abstract: The chlorophyll fluorescence measurement to diagnose herbicide resistant Echinochloa species at the reproductive (late) growth stage was applied. The significant correlation between Fv/Fm (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 growth stage in a shorter period of time (within 10 days) compared with the conventional whole plant test.

Keywords: ACCase inhibitor; ALS inhibitor; chlorophyll fluorescence induction; resistance diagnosis; decision-making (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:54:y:2018:i:3:id:51-2017-pps

DOI: 10.17221/51/2017-PPS

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