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.

From: Understanding the effect of heat stress during seed filling on nutritional composition and seed yield in chickpea (Cicer arietinum L.)

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

  1. 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).