Table 1.
Shoot dry matter, nitrogen uptake, nitrogen concentration and total leaf area of ten bottle gourd genotypes and two watermelon cultivars grown under low (0.3 mM) and high (3.0 mM) N supply in Expt. 1.
| Expt. 1 | Shoot Dry Matter (g plant−1) |
Nitrogen Uptake (mg plant−1) |
Nitrogen Concentration (mg g dw.−1) |
Leaf Area (cm2 plant−1) |
||||
|---|---|---|---|---|---|---|---|---|
| Genotype | Low N | High N | Low N | High N | Low N | High N | Low N | High N |
| 01-18 | 7.4 de | 34.8 D | 104.6 e | 937.8 E | 14.2 hi | 26.9 EF | 0.14 ef | 0.75F |
| 07-45 | 14.6 a | 41.9 A | 202.3 b | 1032.6 D | 13.9 I | 24.6 HI | 0.20 ab | 0.97B |
| 35-10 | 7.3 de | 30.2 E | 106.6 e | 866.5 F | 14.5 gh | 28.7 BC | 0.15 de | 0.62G |
| 41-01 | 9.3 bc | 37.7 C | 155.5 c | 1144.5 B | 16.7 d | 29.3 BC | 0.18 c | 0.93BC |
| 42-11 | 10.0 b | 42.8 A | 146.4 cd | 1089.5 C | 14.6 gh | 25.5 GH | 0.19 bc | 0.91CD |
| 45-04 | 8.7 c | 39.1 B | 140.2 d | 1157.3 B | 16.2 e | 29.6 B | 0.18 c | 0.96B |
| 45-07 | 6.9 de | 26.8 F | 102.5 e | 790.2 G | 14.8 g | 29.5 B | 0.13 g | 0.56H |
| 47-04 | 9.4 bc | 38.6 BC | 134.8 d | 932.6 E | 14.4 gh | 24.2 I | 0.18 c | 0.87D |
| 70-07 | 14.7 a | 43.2 A | 229.2 a | 1226.4 A | 15.5 f | 28.4 CD | 0.21 a | 1.26A |
| TR-50 | 7.6 d | 35.1 D | 139.6 d | 919.8 E | 18.4 c | 26.2 FG | 0.16 d | 0.80E |
| C. Sweet | 5.8 f | 8.1 H | 112.4 e | 222.8 I | 19.3 b | 27.5 DE | 0.10 h | 0.12J |
| S. Baby | 6.8 e | 12.7 G | 139.2 d | 424.9 H | 20.6 a | 33.6 A | 0.13 fg | 0.18I |
| Genotype | *** | *** | *** | *** | ||||
| N rate | *** | *** | *** | *** | ||||
| Gen. × N | *** | *** | ** | *** | ||||
Values denoted by different letters (lower- and upper-case letters for low and high N supply, respectively) are significantly different between genotypes within columns at p < 0.05. ns, non-significant. * p < 0.05, ** p < 0.01 and *** p < 0.001.