Antioxidant enzyme responses of Kentucky bluegrass to simulated athletic traffic stress
نویسندگان
چکیده
Increased athletic field usage and growing understanding of injury prevention have sports turf managers interested in implementing management practices that will improve turfgrass traffic stress tolerance. Previous research has shown other abiotic stressors, such as mowing/rolling, high/low temperature, drought, result changes to antioxidant enzyme activity levels. This study was conducted determine how simulated affects the magnitude duration Kentucky bluegrass (Poa pratensis L.; KBG). Two levels (0 2 games week−1) were applied a blend ‘True Blue HGT’ KBG using modified Baldree simulator for 7 events (STEs) each year coinciding with 2018 2019 fall football schedule. One STE two wk−1 represents high school hosting junior varsity week. Experimental design split-plot randomized complete block four replications. Turfgrass leaves individually cut from sub-plots at 0, 2, 4, 8, 12, 24 h after application assay activities ascorbate peroxidase (APX), catalase (CAT), superoxide dismutase (SOD). Traffic resulted decreased APX by 30–45% 2019, CAT 26–28% SOD 3–13% on some rating dates 2019. Activity lowest 4–12 STE. Catalase highest 0 or 4 STEs early but late it 12 STEs. These results suggest cumulative increases time required activity, directing future investigate timings frequency product application, potentially conferring protection enzymes.
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ژورنال
عنوان ژورنال: International Turfgrass Society research journal
سال: 2021
ISSN: ['2573-1513', '1817-0641']
DOI: https://doi.org/10.1002/its2.59