Response of Peanut to Weed Management Strategies in: An Evaluation of Essential Oils, Some Hydrosols and Bentazone + Imazamox

Table 1. Weed control effects of treatments Treatment Fresh Weight (g m-²) Dry Weight (g m-²) Fresh Weed Control (%) Dry Weed Control (%) Control 567.14 a 262.37 a 0.0 0.0 Rose Hydrosol 394.48 b 185.23 b 30.4 29.4 Sage Hydrosol 354.52 c 163.35 c 37.5 37.7 Eucalyptus EO 241.53 d 103.60 d 57.4 60.5 Thyme EO 200.29 e 87.20 e 64.7 66.7 Pinus EO 165.79 f 74.42 f 70.6 71.6 Pinus EO + Thyme EO 139.55 g 69.32 f 75.3 73.5 Bioxam (480 g LBentazone + 22,4 g L Imazamox) 59.07 h 26.85 g 89.6 89.7 F (P < 0.05) *** *** Table 2. Average number of weeds in treatment plots (weed m-2) Treatment Control Rose Hydrosol Sage Hydrosol Eucalyptus EO Thyme EO Pinus EO Pinus + Thyme EO Bioxa m Weed Species Amaranthu s retroflexus 12.00 5.93 6.88 4.84 3.84 2.0 2 2.63 1.68 Chenopodiu m album 5.68 3.65 3.36 1.95 1.80 0.7 0 1.80 0.71 Cyperus rotundus 17.00 10.20 8.31 6.70 3.65 1.1 9 2.45 1.80 Echinochloa crus-galli 10.63 6.88 6.30 4.25 3.38 2.0 0 0.75 1.66 Portulaca oleraceus 7.13 5.50 3.23 2.47 2.73 0.9 0 1.53 0.67 Solanum nigrum 4.75 4.28 1.43 1.38 1.56 0.6 0 1.00 1.01 Xanthium strumarium 5.45 4.39 3.63 2.38 2.45 1.4 5 1.40 0.85 Table 3. Yield and phytotoxide effects of treatments in the trial field. Treatment Crop Phytotoxicity (0– 10) Grain Yield (kg ha-1) Yield Effect (%) Control 0.0 2921.83 g - Rose Hydrosol 0.0 3049.08 f 4.4 Sage Hydrosol 0.0 3102.83 f 6.2 Eucalyptus EO 0.0 3308.58 e 13.2 Thyme EO 0.0 3639.83 d 24.6 Pinus EO 0.0 3794.67 c 29.9 Pinus EO + Thyme EO 0.0 3940.25 b 34.9 Bioxam 2.0 4320.67 a 47.9 F (P < 0.05) ***