2015•Unpublished venueRequires access
Analysis of Control Efficacy of 250 g/L Azoxystrobin SC on Potato Late Blight in Different Areas
You Weny
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Abstract
Use of fungicides for control of potato late blight is the main measure adopted in the production of potato. The control efficacy of 250 g/L azoxystrobin SC on potato late blight in Hebei, Gansu, and Qinghai Provinces were analyzed. The results showed that the control efficacy of 250 g/L azoxystrobin SC on potato late blight in Hebei, Gansu and Qinghai Provinces were good. The control efficacy of azoxystrobin SC on potato late blight achieved 77.53% when the amount of effective component of 250 g/L azoxystrobin SC was 75.00 g/ha in Hebei Province. The control efficacies of each treatment achieved from 71.26% to 84.02% in Qinghai Province. Better control efficacy was reached, 80% or more, in Gansu Province.This research provides references for wide application of 250 g/L azoxystrobin SC in production.