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Table 3 Effect of irrigation system and α-tocopherol foliar spray on photosynthetic pigments, indole acetic acid (IAA) and phenol contents of leaves and shoots of sweet corn plant grown under sandy soil conditions

From: Physiological response of sweet corn (Zea mays Ls.) grown under sandy soil to α-tocopherol treatments and different irrigation systems

Treatment mg/g fresh weight mg /100 g dry w,
Chlo a Chlo b Carto Total pig IAA Phenol
Irrigation system
Sprinkler 0.83 0.42 0.26 1.51 26.88 52.14
Dripping 1.12 0.49 0.31 1.92 33.96 60.4
L.S.D at 5% 0.14 0.01 0.01 0.03 0.94 0.83
α-Tocopherol concentration
Control 0.72 0.40 0.25 1.37 25.02 51.13
100 mg/L 1.01 0.46 0.28 1.75 30.52 56.04
200 mg/L 1.20 0.51 0.33 2.04 35.71 61.64
L.S.D at 5% 0.12 0.01 0.007 0.015 0.49 0.44
Interaction
Sprinkler       
 Control 0.69 0.37 0.23 1.29 21.24 48.32
 100 mg/L 0.84 0.42 0.26 1.52 27.09 51.98
 200 mg/L 0.96 0.47 0.29 1.72 32.3 56.11
Dripping       
 Control 0.75 0.43 0.27 1.45 28.81 53.94
 100 mg/L 1.17 0.50 0.30 1.97 33.95 60.09
 200 mg/L 1.44 0.54 0.36 2.34 39.11 67.16
 L.S.D at 5% 0.164 0.014 0.001 0.11 0.69 0.62
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