Jonathan W. Sharp and Ralph D. Bagwell. LSU Agcenter, 212B Macon Ridge Rd., Winnsboro, LA 71295
Multiple sampling methods to detect plant bug and stink bug infestations during bloom were compared. The effectiveness and efficiency of each sampling method was determined. Sampling methods evaluated included sweep net, drop cloth, visual sample, external square damage, internal square damage, bloom damage, external boll damage, and internal boll damage. Sampling time for each method was recorded to evaluate sampling efficiency. Plant height and plant maturity (nodes above white flower) was determined at each sampling date. Samples were taken weekly at six locations beginning at first bloom and continuing until cutout. Generally less time was required for the drop cloth sample, than any other sample. The modified whole plant search of 25 plants required the most time.
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