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Table 1 Harvest parameters of two rice cultivars grown under AA and O3

From: Elevated Ozone Deteriorates Grain Quality of Japonica Rice cv. Koshihikari, Even if it Does Not Cause Yield Reduction

Cultivars

 

Panicle number (/plant)

Total number of kernel (/plant)

Number of filled kernel (/plant)

Filled kernel percentage (%)

1000-grain weight (g)

Grain yield a (g/plant)

Relative yield (%)

Kos

AA

9.0 ± 0.9

642 ± 89.5

587 ± 83.2

91.2 ± 0.9

24.6 ± 0.2

14.4 ± 2.1

100.0

O3

8.5 ± 0.5

670 ± 36.7

591 ± 33.2

88.2 ± 1.0

23.4 ± 0.1

13.8 ± 0.8

95.8

 

ns

ns

ns

*

***

ns

 

Kas

AA

9.1 ± 0.6

1234 ± 78.7

1175 ± 75.1

95.2 ± 0.4

17.9 ± 0.1

21.0 ± 1.4

100.0

O3

7.8 ± 0.5

1218 ± 67.1

1134 ± 61.5

93.1 ± 0.3

17.6 ± 0.1

19.9 ± 1.0

94.8

 

ns

ns

ns

***

ns

ns

 
  1. Values show mean ± SE (n = 12). agrain yield was determined as rough rice grain weight in this report
  2. Asterisks denote significant differences between ambient air (AA) and elevated ozone (O3) treatment (Student’s t-test, *P < 0.05, ***P < 0.001). ns not significant, Kos Koshihikari, Kas Kasalath