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Journal of Agriculture ›› 2023, Vol. 13 ›› Issue (1): 6-10.doi: 10.11923/j.issn.2095-4050.cjas2021-0078

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Efficacy of Metalaxyl-M·Fludioxonil·Azoxystrobin on Controlling Soil-borne Fungal Diseases of Peanut Seedlings

SONG Min(), WU Cuixia, ZHANG Yong, MA Chong, ZHANG Tiantian, ZHOU Chao, YANG Lina   

  1. Tai’an Academy of Agricultural Sciences, Tai’an 271000, Shandong, China
  • Received:2021-04-28 Revised:2022-10-27 Online:2023-01-20 Published:2023-01-31

Abstract:

Seed coating was used to study the efficacy of metalaxyl-M·fludioxonil·azoxystrobin on controlling the occurrence of peanut crown rot and stem rot. The results indicated that the control effect of three treatments (200, 300 and 400 g a.i./100kg seeds) of metalaxyl-M·fludioxonil·azoxystrobin 11% FS on peanut crown rot and stem rot was 81.92%-92.20% and 76.36%-86.10%, respectively. The peanut seedling emergence rate of the two test fields was 94.88%-95.75% and 93.63%-95.25% respectively, and the yield increase was 5.78%-13.14% and 5.99%-8.40%, respectively. Considering the safety, control effect and yield growth effect, metalaxyl-M·fludioxonil·azoxystrobin 11% FS has good application prospects in controlling soil-borne fungal diseases of peanut seedlings, and it is high efficient in controlling peanut crown rot and stem rot by seed-coating treatment. The recommended dose is 300-400 g a.i./100 kg seeds in field.

Key words: metalaxyl-M·fludioxonil·azoxystrobin, peanut, crown rot, stem rot, control effects