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Table 5 Effect of IAA foliar spray on vegetative growth of maize plants

From: Effect of exogenous salicylic acid or indole acetic acid on their endogenous levels, germination, and growth in maize

Criteria
Treatments
Plant height (cm) Plant fresh weight (g) No of leaves Leaves weight (g) Plant dry weight (g) Leaves dry weight (g)
  20 DAT
2 mM IAA 122 ± 6a 74.0 ± 4.0ab 9 ± 1a 37.7 ± 1.3ab 7.5 ± 0.3a 5.2 ± 0.2a
1 mM IAA 127 ± 4a 66.0 ± 3.0b 10 ± 1a 33.0 ± 1.0b 7.1 ± 0.4a 4. 9 ± 0.3a
0.5 mM IAA 129 ± 7a 84.3 ± 6.0a 9 ± 1a 40.3 ± 1.7a 8.0 ± 0.6a 5.4 ± 0.3a
0.25 mM IAA 129 ± 6a 74.0 ± 4.0ab 9 ± 1a 36.3 ± 2.0ab 7.1 ± 0.4a 5.2 ± 0.4a
Control 119 ± 5a 53.0 ± 3.0c 9 ± 1a 26.7 ± 1.1c 5.1 ± 0.3b 3.5 ± 0.2b
  40 DAT
2 mM IAA 195 ± 8a 330 ± 9a 14 ± 1a 127 ± 9a 43.2 ± 3.1a 22.9 ± 0.9a
1 mM IAA 181 ± 7ab 260 ± 7b 14 ± 1a 103 ± 5b 34.2 ± 2.9b 18.5 ± 1.0b
0.5 mM IAA 183 ± 6ab 259 ± 7b 14 ± 2a 102 ± 7b 34.1 ± 1.7b 18.4 ± 0.7b
0.25 mM IAA 184 ± 6ab 259 ± 8b 14 ± 1a 101 ± 3b 34.0 ± 1.9b 18.2 ± 1.1b
Control 169 ± 5b 263 ± 8b 14 ± 1a 105 ± 4b 34.7 ± 2.0b 18.8 ± 0.8b
  1. Data within a column followed with the same letter are not significantly different at the level 5%