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Elimination of competition from wild oats avena fatua by application of diclofop methyl in spring wheat in a pot trial



Elimination of competition from wild oats avena fatua by application of diclofop methyl in spring wheat in a pot trial



Zeitschrift fuer Pflanzenkrankheiten und Pflanzenschutz 87(2): 113-120



For determination of the quantitative nutrient competition, the influence of 3 NPK levels on the yield of spring wheat alone and combined with wild oats (A. fatua L.) was investigated in a pot trial. Wheat responded to the fertilizer supply with an increased number of ear-carrying stems and accordingly increased yields. When wheat was seeded with wild oats, the yield of wheat was reduced as a consequence of a suppressed tillering. The wild oats showed an increased weight of the single plant and an increased number of panicle-carrying stems. The different contents of macro- and micronutrients observed in wheat and wild oats and the utilization of the supplied nutrients explain the differences in the yields between the 2 plants. Under conditions of this trial 2 l/ha Illoxan were sufficient for practical control of wild oats to eliminate nutrient competition. The influence of different droplet sizes for the herbicide effect is discussed.

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Accession: 005351840

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Related references

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