Table 6.
Leaf osmolality and relative contribution (%) of inorganic ions, soluble sugars, amino acids and other metabolites towards the total osmolality of MicroTom plants. Experimental design is as in Table 1. The S.D. was lower than 15.8% of the average value.
| A. 100% BNS | Control | Rygex | Superfifty | ||||||
|---|---|---|---|---|---|---|---|---|---|
| S0 | S1 | S2 | S0 | S1 | S2 | S0 | S1 | S2 | |
| Osmolality (mosmol/kg) | 349 | 495 | 497 | 300 | 361 | 504 | 323 | 448 | 576 |
| Chloride | 9.5 | 18.5 | 17.6 | 5.3 | 10.1 | 6 | 8.1 | 17.1 | 17.2 |
| Potassium | 45.3 | 31.4 | 19.7 | 50.5 | 39.7 | 21.1 | 53.8 | 33.2 | 17.4 |
| Sodium | 1.9 | 10 | 15.9 | 2.7 | 12.6 | 18.4 | 1.7 | 8.9 | 13.7 |
| Measured ions | 56.7 | 59.8 | 53.2 | 58.4 | 62.4 | 45.5 | 63.6 | 59.2 | 48.2 |
| Glucose | 17.7 | 16.9 | 9.6 | 6.5 | 7.2 | 8.1 | 8.2 | 8.5 | 8.9 |
| Fructose | 2.2 | 2.4 | 2.8 | 1.8 | 2.7 | 2.7 | 2.6 | 2.9 | 2.9 |
| Sucrose | 3.5 | 2.7 | 2.4 | 1.1 | 1.6 | 1.9 | 1.5 | 1.9 | 1.8 |
| Sum of soluble sugars | 23.4 | 22 | 14.8 | 9.5 | 11.4 | 12.8 | 12.2 | 13.3 | 13.6 |
| Ala | 0.3 | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.5 | 0.3 | 0.3 |
| Asn | 0.6 | 0.3 | 0.5 | 0.6 | 0.6 | 0.5 | 0.8 | 0.5 | 0.4 |
| Asp | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.3 | 0.2 | 0.1 |
| GABA | 0.4 | 0.3 | 0.3 | 1.1 | 0.8 | 0.6 | 0.8 | 0.6 | 0.5 |
| Gln | 5.7 | 2.6 | 6.5 | 4.5 | 7.5 | 6.6 | 9.7 | 5.4 | 4.8 |
| Glu | 0.6 | 0.4 | 0.4 | 0.5 | 0.5 | 0.3 | 0.8 | 0.4 | 0.4 |
| Pro | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 |
| Minor AA | 1.2 | 0.7 | 0.8 | 0.8 | 0.7 | 0.6 | 2.5 | 1.8 | 1.4 |
| Total amino acids | 9.2 | 4.6 | 8.8 | 7.2 | 10 | 8.5 | 15.6 | 9.3 | 7.9 |
| Measured organic osmolytes | 32.6 | 26.6 | 23.6 | 16.7 | 21.4 | 21.3 | 27.8 | 22.7 | 21.5 |
| Other metabolites | 10.7 | 13.6 | 23.2 | 24.9 | 16.1 | 33.2 | 8.6 | 18.1 | 30.3 |
| B. 70% BNS | Control | Rygex | Superfifty | ||||||
| S0 | S1 | S2 | S0 | S1 | S2 | S0 | S1 | S2 | |
| Osmolality (mosmol/kg) | 418 | 551 | 655 | 289 | 373 | 439 | 360 | 435 | 572 |
| Chloride | 5.6 | 8.4 | 11.5 | 5 | 9.7 | 8.9 | 5.6 | 8.5 | 23.6 |
| Potassium | 37 | 23.1 | 16.9 | 55.9 | 33.5 | 28.2 | 45.8 | 38.7 | 19.8 |
| Sodium | 1.5 | 5 | 8 | 3.4 | 10.1 | 15.2 | 2.2 | 5 | 14.8 |
| Measured ions | 44.1 | 36.5 | 36.5 | 64.4 | 53.3 | 52.3 | 53.6 | 52.3 | 58.2 |
| Glucose | 9.5 | 15.7 | 13.1 | 15 | 11.9 | 8.1 | 7.5 | 8.3 | 6.5 |
| Fructose | 2.1 | 2.7 | 2.1 | 1.7 | 2.6 | 2.8 | 1.9 | 2.8 | 1.8 |
| Sucrose | 2 | 3.3 | 4.3 | 2.2 | 2.2 | 1.9 | 1.2 | 1.5 | 1.6 |
| Sum of soluble sugars | 13.5 | 21.7 | 19.5 | 18.9 | 16.7 | 12.8 | 10.6 | 12.6 | 9.9 |
| Ala | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.5 | 0.4 | 0.3 |
| Asn | 0.2 | 0.1 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 |
| Asp | 0.2 | 0.1 | 0.1 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 |
| GABA | 0.4 | 0.2 | 0.5 | 0.5 | 0.4 | 0.3 | 0.7 | 0.5 | 0.4 |
| Gln | 2.8 | 1.2 | 3.3 | 2.1 | 3.5 | 3.3 | 2.2 | 3.2 | 1.8 |
| Glu | 0.4 | 0.2 | 0.2 | 0.6 | 0.6 | 0.4 | 0.6 | 0.5 | 0.3 |
| Pro | 0 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Minor AA | 0.6 | 0.4 | 0.5 | 0.7 | 0.8 | 0.6 | 2.2 | 1.3 | 1.1 |
| Total amino acids | 4.6 | 2.2 | 4.7 | 4.6 | 6 | 5.3 | 6.7 | 6.8 | 4.3 |
| Measured organic osmolytes | 18.1 | 23.9 | 24.2 | 23.5 | 22.7 | 18.1 | 17.2 | 19.4 | 14.1 |
| Other metabolites | 37.8 | 39.6 | 39.3 | 12.1 | 24 | 29.6 | 29.2 | 28.4 | 27.6 |