Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2019, Vol. 35 ›› Issue (24): 128-132.doi: 10.11924/j.issn.1000-6850.casb18080018

Special Issue: 玉米

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Efficacy Evaluation of 14 Suspension Seed Coating Agents on Controlling Corn Underground Pests, Aphids and Stalk Rot

  

  • Received:2018-08-04 Revised:2019-08-12 Accepted:2018-11-09 Online:2019-08-26 Published:2019-08-26

Abstract: To effectively control the perennial damage of corn underground pests, aphids and stalk rot, and to screen seed coating agents with better control effect, 14 kinds of suspension seed coating agents were tested in field. The results showed that the 14 kinds of seed coating agents were safe for corn seedling emergence, and the highest seedling emergence rate was 96.7% when corn seeds were treated with fipronil-thiamethoxam (30% suspended seed coating agent) (1:1000). The control effect of fipronil and thiamethoxam (30% suspension seed coating agent) (1:1000) on corn underground pests and corn aphids was 84.8% and 80.0%, respectively. The control effect of metalaxyl-M, fludioxonil and amistar (11% suspension seed coating agent) (1:2000) on stalk rot was 73.7%, indicating that the combination of thiamethoxam, fipronil and metalaxyl could control corn underground pests, aphids and stalk rot effectively. It is suggested that different formulations should be selected according to different ecological types and regions, combining with varieties, fertilization and management measures, so as to achieve the best control effect.