Table 4.
Enzymes related to carbohydrate metabolism in seeds of heat-tolerant (HT1: ICCV07110; HT2: ICCV92944) and heat-sensitive (HS1: ICC14183; HS2: ICC5912) chickpea genotypes grown in control (25/15 °C) and heat stress (32/20 °C) environment.
| Enzymes (nmol min–1 mg–1 protein–1) | Control | Stressed | ||||||
|---|---|---|---|---|---|---|---|---|
| HT1 | HT2 | HS1 | HS2 | HT1 | HT2 | HS1 | HS2 | |
| Sucrose synthase (SS) | 32.4 ± 2.45a | 28.4 ± 2.12a | 26.7 ± 1.89b | 23.5 ± 1.54bc | 26.5 ± 1.35b | 23.4 ± 1.18bc | 14.3 ± 1.12c | 12.4 ± 1.13c |
| Soluble starch synthase (Ssy) | 1324.4 ± 28.6a | 1231.3 ± 31.4b | 1134.5 ± 22.5c | 1054.5 ± 25.7d | 1034.5 ± 14.5e | 1023.4 ± 16.7e | 675.6 ± 11.4f. | 576.8 ± 9.4f. |
| Acid invertases (AI) | 1132.4 ± 36.6a | 1054.5 ± 45.3b | 965.6 ± 31.3c | 941.3 ± 33.6c | 913.4 ± 25.7d | 815.6 ± 21.4d | 554.5 ± 25.9e | 513.5 ± 34.5e |
LSD (P < < 0.05) for genotypes x treatment interaction: SS (3.2), Ssy (33.4), AI (47.5), Values represent mean ± S.E. Different lower-case letters for each trait indicate significant variations (P < 0.05).