Peanut Injury? Roundup or Atrazine or K Deficiency or B Toxicity?<BR>Roundup and Atrazine tests were negative? <BR>Sampled too late??? <BR> <BR>Potassium (K) in leaf tissue was 3.85% <BR>sufficiency range = 1.70-3.00% <BR> <BR>Boron (B) was very high in leaf tissue analysis (174 ppm) <BR>sufficiency range = 20-60 ppm <BR>B toxicity in peanut tissue is likely when B concentration exceeds 100 ppm. <BR>Grower applied 1 qt/A of B (10%) in 2nd and 4th fungicide sprays.<BR>T. Price <BR>Cook Co. <BR>09/18/25<BR>