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2012 Field Evaluation of Contans for Management of Sclerotinia Stem Rot: Evaluation of Application Rate and Timing (technical report)
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Contans reduced both the viability and vigor of sclerotia, fall applications of Contans were more effective than spring applications, and Contans performed equivalently at 1 lb/ac and 2 lbs/ac. The results suggest that Contans may be a useful tool for degrading sclerotia of Sclerotinia sclerotiorum and reducing Sclerotinia disease pressure.
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2012 Field Evaluation of Contans for Management of Sclerotinia Stem Rot: Evaluation of Incorporation Methods (technical report)
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Under the conditions tested in this trial (sclerotia primarily on the soil surface at the time of Contans application and moist soils at the time of Contans application) manual incorporation of Contans (by harrowing to 1.5 inches), water incorporation (with 1 inch of water), and no incorporation performed similarly. Different results may be obtained when sclerotia are evenly distributed in the soil profile.
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2012 Field Evaluation of Contans for Management of Sclerotinia Stem Rot: Spring Application Timing - Carrington (technical report)
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Contans applications made in the spring sharply reduced the number of apothecia produced per sclerotium but had only a modest impact on the viability of sclerotia. Contans performed similarlly irrespective of when it was applied in the spring; applications made 2 days prior to planting soybeans performed similarly to applications made 38 days prior to planting soybeans.
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2012 Field Evaluation of Fungicide Treated Buffer Strips for Management of Ascochyta Blight on Lentils Grown Adjacent to a Previous Lentil Crop - Valley County, MT (summary)
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When lentils are planted adjacent to a field where lentils were grown the previous year, a pronounced gradient of Ascochyta blight is often observed. In this study, neither the use of a 90-foot-wide or 270-foot-wide fungicide treated strip provided satisfactory disease control in the lentils grown immediately adjacent to the previous year’s lentil crop. We conclude that the use of a fungicide-treated strip is a risky strategy, and that a foliar fungicide application to the entire field may be advisable in lentils planted adjacent to a field where they were seeded the previous year, especially when weather conditions favor the disease.
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2012 Field Evaluation of Fungicides and Partial Host Resistance for Management of Sclerotinia Stem Rot on Soybeans - Carrington (summary)
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Under moderate Sclerotinia disease pressure, Endura but not Proline or Cobra applied as a single application at early bloom (early R2 growth stage) significantly reduced Sclerotinia stem rot relative to the control. Under the narrow 7-inch row spacing used, fungicides were a more effective tool for managing Sclerotinia stem rot than the use of partially resistant varieties.
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2012 Field Evaluation of Fungicides for Management of Anthracnose and Sclerotinia on Lentils - Carrington (summary)
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Under high anthracnose disease pressure, the registered fungicides Headline and Priaxor provided good disease control and a strong yield response. It was not immediately apparent that Priaxor, which is a premix of the active ingredient found in Headline and another active ingredient, provided an advantage over Headline. When applied as two sequential applications, Endura, Proline, and Vertisan did not provide satisfactory disease control. Quadris showed intermediate performance.
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2012 Field Evaluation of Fungicides for Management of Anthracnose on Dry Edible (pinto) Beans - Carrington (summary)
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Fungicides that contained azoxystrobin or pyraclostrobin active ingredients (Headline, Quadris, Quadris Opti, and Priaxor) provided good control of foliar anthracnose symptoms, but it was unclear whether any fungicides might provide satisfactory control of anthracnose related seed discoloration. Due to drought stress and high soil salinity at the site used for this trial, the yield response to using fungicides to control anthracnose could not be properly assessed.
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2012 Field Evaluation of Fungicides for Management of Anthracnose on Lentils - Sykeston (summary)
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The registered fungicides Headline, Priaxor, and Quadris gave good control of anthracnose. It was not immediately apparent that Priaxor, which is a premix of the active ingredient found in Headline and another active ingredient, provided an advantage over Headline. When applied as two sequential applications, the registered fungicides Endura, Proline, and Vertisan did not provide satisfactory disease control.
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2012 Field Evaluation of Fungicides for Management of Anthracnose on Lentils - Williston (summary)
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Under moderate anthracnose pressure, the registered fungicides Headline, Priaxor, and Quadris performed well. When applied as two sequential applications, Endura and Proline did not provide satisfactory disease control. Vertisan showed intermediate performance. Disease development occurred late in crop development, and the yield response to fungicide usage was low.
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2012 Field Evaluation of Fungicides for Management of Ascochyta Blight of Chickpeas - 25 miles east of Williston (summary)
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Priaxor and Proline both performed well; rotational strategies with Proline and Priaxor performed equivalently as sequential applications of either product; and the 4 fl oz/ac application rate of Priaxor was sufficient. Additional data is needed to evaluate whether Vertisan may perform equivalently to Priaxor when applied in rotation with Proline.
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