Initiation of Leaf Spot Sprays Peanut Notes No. 115 2020
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Comments from Dr. Shew:
Begin sprays by R3 or July 10, whichever comes first, regardless of advisory. There is little to no data supporting the need for North Carolina growers to start spraying earlier than R3 in well-rotated fields, but some growers may feel more comfortable starting their spray programs sooner. This has the potential to increase the total number of sprays needed because protection is necessary through early- to mid-September.