ACTA AGRICULTURAE BOREALI-SINICA ›› 2015, Vol. 30 ›› Issue (S1): 245-250. doi: 10.7668/hbnxb.2015.S1.044

Special Issue: Wheat

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Fungicide Screening and Mixture of the Wheat Sharp Eyespot Prevention

ZHANG Yu-mei1, WANG Zhi1, BI Ming-zhao2, ZHANG Ting1, YANG Wen-xiang1, LIU Da-qun1   

  1. 1. College of Plant Protection, Agricultural University of Hebei, Biological Control Center of Plant Diseases and Plant Pests of Hebei Province, National Engineering Research Center for Agriculture in Northern Mountainous Areas, Baoding 071001, China;
    2. Xingtai Agriculture Bureau of Hebei, Xingtai 054000, China
  • Received:2015-09-30 Published:2015-12-28

Abstract: The aimed of the experiment was to screen the higher effective fungicides from six reported suspension seed coating agents using double filter paper bed experimentation,mycelium growth rate method,and select the best synthesized and mix with chemical and biological agent using Horsfall's method and cotoxicity coefficient.The results indicated that all the test chemical had no significant effect on germination and only Trifluzamide significant reduced the rate of emergence of wheat.27% Coollas SC and Celest 25 g/L SC produced by Syngenta could significantly inhibit the growth of Rhizoctonia cerealis,and Shenqinmycin 1% SC took the second higher efficiency place.Horsfall's method and cotoxicity coefficient were employed to qualitatively analyze synergistic effects of two-component mixtures among three fungicides of Shenqinmycin,Celest and Coollas.The results indicated that two-component mixtures between Shenqinmycin and Celest or Coollas ungicides produced additive effect.The greatest additive effect of fungicides combination were as follows:Shenqinmycin and Celest 9 : 1,5 : 5,Shenqinmycin and Coollas 4 : 6,3 : 7.27% Coollas SC,Celest 25 g/L SC and 1% Shenqinmycin are high control efficiency agents and 1% Shenqinmycin can mix with the others.

Key words: Wheat sharp eyespot, Shenqinmycin, Fungicide, Mixture, Control efficiency

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Cite this article

ZHANG Yu-mei, WANG Zhi, BI Ming-zhao, ZHANG Ting, YANG Wen-xiang, LIU Da-qun. Fungicide Screening and Mixture of the Wheat Sharp Eyespot Prevention[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(S1): 245-250. doi: 10.7668/hbnxb.2015.S1.044.

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