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Table 2 Agronomic and quality parameters of radish plants at harvest

From: Hygienic characteristics of radishes grown in soil contaminated with Stenotrophomonas maltophilia

Parameters Trials
ASS ASSwS AS ASwR nASS nASSwS nAS nASwR
Leaves
 Number (n. plant−1) 5.0 ± 0.3a 4.8 ± 0.2a 4.8 ± 0.2a 4.7 ± 0.2a 4.6 ± 0.2ab 4.6 ± 0.2ab 4.5 ± 0.3ab 4.1 ± 0.2b
 Fresh weight (g) 10.5 ± 0.6c 10.7 ± 0.5c 10.3 ± 0.4c 10.8 ± 0.5c 14.4 ± 0.8b 17.6 ± 0.9a 10.3 ± 0.5c 10.3 ± 0.6c
 Dry matter (%) 6.5 ± 0.3a 7.1 ± 0.4a 7.1 ± 0.5a 7.1 ± 0.3a 7.3 ± 0.4a 7.2 ± 0.4a 6.8 ± 0.3a 6.7 ± 0.4a
 Leaf area (cm2) 186.4 ± 8.7b 196.4 ± 9.3b 138.3 ± 6.9c 144.8 ± 7.2c 297.0 ± 16.9a 311.5 ± 14.6a 198.9 ± 9.7b 191.6 ± 9.8b
Roots
 Length (cm) 31.5 ± 1.6ab 33.6 ± 1.8a 28.1 ± 1.4ac 29.1 ± 1.5ac 26.3 ± 1.5bc 23.9 ± 1.1c 27.6 ± 1.4ac 27.8 ± 1.6ac
 Fresh weight (g) 1.06 ± 0.05a 1.04 ± 0.04a 0.91 ± 0.05a 0.8 ± 0.04a 0.49 ± 0.02b 0.50 ± 0.03b 0.53 ± 0.04b 0.40 ± 0.03b
 Dry matter (%) 6.2 ± 0.3b 6.2 ± 0.4b 7.2 ± 0.5b 7.3 ± 0.4b 7.7 ± 0.4b 8.1 ± 0.5b 12.8 ± 0.6a 11.7 ± 0.5a
Radish
 Fresh weight (g) 12.2 ± 0.7b 10.0 ± 0.6b 10.1 ± 0.5b 12.0 ± 0.6b 25.0 ± 1.4a 23.9 ± 1.2a 15.3 ± 0.8b 14.8 ± 0.9b
 Dry matter (%) 3.9 ± 0.2a 3.9 ± 0.3a 3.9 ± 0.4a 3.8 ± 0.2a 4.1 ± 0.3a 4.3 ± 0.5a 4.3 ± 0.2a 4.5 ± 0.4a
 Diameter (mm) 24.9 ± 1.2b 23.4 ± 1.2b 23.1 ± 1.3b 24.6 ± 1.2b 34.0 ± 1.7a 31.8 ± 1.6a 25.5 ± 1.3b 26.6 ± 1.5b
 Firmness (N) 39.1 ± 2.1a 38.6 ± .0a 36.2 ± 1.8a 37.1 ± 1.9a 30.3 ± 1.7b 29.9 ± 1.5b 31.2 ± 1.6b 30.2 ± 1.5b
 L* 32.9 ± 1.7c 34.0 ± 1.6c 35.2 ± 1.8ac 34.2 ± 1.7bc 36.8 ± 1.9ac 38.7 ± 1.8ab 39.6 ± 2.0a 39.0 ± 2.0a
 a* 45.8 ± 2.3ab 46.0 ± 2.4ab 42.5 ± 2.1b 43.5 ± 2.2b 47.9 ± 2.6a 50.3 ± 2.5a 49.4 ± 2.9a 49.4 ± 2.5a
 b* 20.6 ± 1.0ab 20.7 ± 1.2ab 19.2 ± 1.0b 18.8 ± 0.9b 21.0 ± 1.1ab 23.2 ± 1.2ab 25.1 ± 1.3a 25.0 ± 1.4a
 SSC (Brix) 2.2 ± 0.1b 2.2 ± 0.1b 2.8 ± 0.1a 2.6 ± 0.2ab 2.3 ± 0.1b 2.3 ± 0.2b 2.3 ± 0.1b 2.3 ± 0.1b
 N–NO3 (mg kg−1 FW) 644.6 ± 33.2a 580.3 ± 29.8a 583.7 ± 29.2a 563.7 ± 28.2a 522.7 ± 25.1a 543.4 ± 27.8a 567.0 ± 28.4a 599.2 ± 30.2a
 Ascorbic acid (mg kg−1 FW) 205.0 ± 10.3ab 197.0 ± 9.9ab 220.0 ± 11.0a 206.0 ± 10.3ab 182.0 ± 9.1ab 166.0 ± 8.3ab 132.0 ± 6.6b 192.0 ± 9.6ab
Plant WUE (g DM kg−1 H2O) 2.03 ± 0.11b 2.03 ± 0.10b 2.0 ± 0.11b 2.14 ± 0.12b 3.51 ± 0.18a 3.88 ± 0.16a 2.39 ± 0.12b 2.33 ± 0.13b
  1. Data within a row followed by the same letter are not significantly different according to Tukey–Kramer’s multiple range test at P < 0.05
  2. Percentages were subjected to angular transformation prior to perform statistical analysis