Fiziol. rast. genet. 2018, vol. 50, no. 6, 508-516 , doi:

Effectiveness of auxin-like herbicide halauxifen-methyl mixtures with other herbicides for canada thistle (Cirsium arvense) control in wheat crops

Morderer Ye.Yu.1, Sychuk A.M.1, Rodzevych О.P.1, Pavlenko V.V.2, Sarbash О.M.2

  1. Institute of Plant Physiology and Genetics, National Academy of Sciences of Ukraine 31/17 Vasylkivska Str., 03022 Kyiv, Ukraine
  2. Ukraine DowDuPont Agriculture Division 30A Spaska St., Business Center «Podil Plaza», 04070 Kyiv, Ukraine

The effectiveness of perennial dicotyledonous weed Сanada thistle (Cirsium arvense) controlling by the mixtures of new auxin-like herbicide halauxifen-methyl with acetolactate synthase (ALS) inhibitors florasulam and pyroxsulam was investigated in field trials in wheat crops. The effect of mixtures of halauxifen-methyl with ALS inhibitors with the addition of ALS inhibitor tribenuron-methyl and synthetic auxin clopyralid was also studied. It has been shown that adding tribenuron-methyl and clopyralid to the mixtures of halauxifen-methyl with pyroxsulam and florasulam increases the effectiveness of Canada thistle control in wheat. For effective Canada thistle control, treatment of wheat plantings by the mixtures of halauxifen-methyl with pyroxsulam and florasulam with adding tribenuron-methyl or clopyralid should be carried out during the period from the phase of tillering to the phase of second internode formation in the crop, when the thistle plants reach the phase of the rosette or the beginning of stem elongation.

Keywords: Cirsium arvense (L.) Scop., Triticum aestivum L., Canada thistle, wheat, weed control, herbicide, herbicides mixtures, halauxifen-methyl

Fiziol. rast. genet.
2018, vol. 50, no. 6, 508-516

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