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Table 2 Effects of different temperatures on plant length, fresh weight, and dry weight of N22, BIM, and their F2 hybrid

From: Phenological and physiological responses of hybrid rice under different high-temperature at seedling stage

Treatment (°C)

Variety

Length (cm)

Fresh weight (mg)

Dry weight (mg)

  

Shoot

Root

Shoot + Root

Shoot

Root

Shoot + Root

Shoot

Root

Shoot + Root

28

N22

25.0 b

11.4 a

36.5 b

356.8 b

305.0 b

671.9 b

83.6 b

32.9 c

116.5 c

 

BIM

39.1 a

8.7 b

47.6 a

451.7 a

555.6 a

1007.3 a

109.9 a

53.7 b

163.6 b

 

F2

25.7 b

12.5 a

38.2 b

424.7 a

605.5 a

1030.2 a

118.2 a

76.1 a

194.3 a

  

***

***

***

**

***

***

***

***

***

35

N22

27.9 b

17.0 a

45.0 a

656.7 a

577.9 a

1234.6 a

151.0 a

72.4 a

223.4 a

 

BIM

34.3 a

11.3 b

45.7 a

446.2 b

369.4 b

815.6 b

110.4 b

39.6 b

150.0 b

 

F2

26.9 b

18.5 a

45.4 a

587.8 ab

484.7 ab

1072.5 ab

142.6 ab

53.4 b

196.0 ab

  

*

***

Ns

**

**

**

*

***

**

42

N22

24.2 c

15.8 a

40.0 a

586.1 ab

595.4 a

1181.5 ab

150.3 a

74.1 a

220.1 a

 

BIM

34.9 a

10.0 b

44.9 a

471.2 b

475.6 a

946.9 b

124.3 a

53.8 a

178.5 b

 

F2

28.5 b

15.0 a

43.6 a

630.1 a

619.8 a

1250.0 a

153.1 a

66.5 a

219.6 a

  

***

***

ns

*

ns

*

ns

ns

**

  1. The data represented as mean (n = 20). Significant differences are shown by letters across three temperature within each treatment of two varieties and their F2 hybrid
  2. ***p < 0.001, **p < 0.01, *p < 0.05, and ns: not significant