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We are conducting a multi-state (MD, MN, NC, NJ, NY, OR, PA) project that examines how environmental factors such as temperature, humidity and light affect crop responses to ambient ozone. This study utilizes ozone-sensitive and ozone-tolerant snap bean cultivars grown under field conditions. The study employs common experimental protocols and crop management practices among sites.  Hourly measurments of air temperature, relative humidity, sunlight, wind speed and ozone concentrations will be used in multiple regression models to predict how environmental factors influence plant growth and yield.   


Ozone-sensitive (S156, left) and ozone-tolerant (R331, right) snap beans after growth for 57 days at Rutgers University in New Jersey.


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Preliminary yield results of the multi-site snap bean project.

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