1 Subjects: “...heat stress...”

2 Subjects: “...heat stress threshold...”

3 Subjects: “...heat stress...”

4 Subjects: “...heat stress...”

5 Subjects: “...combined drought and heat stress...”

6 Subjects: “...heat stress...”

7 Subjects: “...heat stress...”

8 Subjects: “...heat stress...”

9 Subjects: “...heat stress...”

10 Subjects: “...heat stress...”

11 Subjects: “...heat stress...”

12 Subjects: “...plant heat stress...”

13 Subjects: “...heat stress...”

14 Subjects: “...heat stress...”

15 Subjects: “...heat stress...”

16 Subjects: “...combined drought and heat stress...”

17 Subjects: “...heat stress...”

18 Subjects: “...heat stress index...”

19 Subjects: “...heat stress index...”