Field Control Efficacy of Spinetoram 60 g/L SC against Thrips and its Saftey Evaluation on Asparagus
Thrips are major pests affecting the quality and yield of asparagus.This study evaluated the field efficacy of spinetoram 60 g/L SC against thrips and its saftey on asparagus.Field control efficacy ranged from 80.2%to 95.02%at 3 days,85.92%to 96.9%at 7 days,76.63%to 98.2%at 10 days,69.05%to 88.4%at 14 days after application of spinetoram 60 g/L SC at dose of 27,40.5,and 54g/hm2.The product demonstrated both quick and long-lasting efficacy in controlling thrips on asparagus.The results of laboratory test for crop safety evaluation confirmed the safety of spinetoram 60 g/L SC to asparagus.It is recommended to apply spinetoram 60 g/L SC once at the initial stage of thrips infestation on asparagus,with dose of 27 to 54 g/hm2(30 to 60 mL/667m2).
asparagusthripsspinetoramfield control efficacysafety
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