International Journal of Agronomy

Research Article

Analysis of Combining Ability for Early Maturity and Yield in Rice (Genus: Oryza) at the Kenyan Coast

Table 2

Mean performance of genotypes for parents and crosses at KALRO, Mtwapa, and Bahari during the long rain season of 2018.

Genotype

50% f

Yield

Pht (cm)

Pnl (cm)

Pwt (g)

Ufs

Grl (mm)

Grw (mm)

1000 gwt (g)

Biomass

D. precoce

73.3ab

3.35b

83.8b

0.54ab

23.43bc

4.28c

127.1bc

17.3ab

10.05c

3.005c

35.2d

356b

D/K

77.7ab

2.08ab

78.2ab

7.01c

0.42ab

24.01bc

2.32ab

134.8bc

50.3c

9.35b

2.663ab

31.7bc

404bc

D/S

71.8ab

2.09ab

76.4ab

6.46bc

0.93b

22.25a

2.47ab

116.4ab

44.2bc

9.99c

2.895bc

32.7c

334ab

Komboka

85.8c

4.0c

75ab

8.28d

0.28a

24.26c

3.56bc

115.20bc

30.9b

8.94a

2.487a

24.2a

419bc

NERICA 1

74.2ab

2.61ab

69a

5.29b

0.7ab

23.53bc

3.83bc

138.1bc

12.5a

9.44b

2.784b

31.2bc

351ab

N1/D

77.2ab

2.95ab

73.3ab

5.03ab

0.78ab

22.8bc

3.65bc

151.5c

29ab

9.81bc

3.319 d

33.8c

320ab

N1/K

78.3ab

2.21ab

72.3ab

6.53bc

1.07b

23.55bc

2.57ab

138.3bc

50.1c

9.37b

2.716b

30.2bc

453c

N1/N10

72.8ab

2.91ab

71.4ab

5.93bc

0.6ab

23.76bc

3.85bc

147.6bc

17.4ab

9.21ab

2.64ab

31.8bc

343ab

N1/N2

68.3a

3.43b

73.8ab

5.55b

0.53ab

23.62bc

4.18c

154c

16.1ab

9.16ab

2.741b

32bc

301ab

N1/N4

70a

2.69ab

73ab

5.95bc

0.83ab

22.81b

3.72bc

125.9ab

21.3ab

9.45b

2.814bc

35.2cd

330ab

N1/S

73.7ab

2.59ab

75.2ab

5.01ab

0.46ab

23.6bc

3.49bc

139.6ab

53.2c

9.39b

3.021c

35.2cd

362b

NERICA 10

78ab

3.38b

74.3ab

5.88bc

0.58ab

24.26bc

3.89c

160.7c

22.3ab

8.97a

2.681b

27.8ab

295ab

N10/D

70.5ab

2.87ab

81.6b

4.75ab

0.68ab

22.89b

3.63bc

119.8bc

17.5ab

9.83bc

2.946bc

33.5c

288ab

N10/K

73.2ab

1.72a

72.1ab

6.92c

23.88bc

2.67ab

148.2bc

65.1cd

9.46b

2.77bc

28.8b

387bc

N10/S

69.5a

2.1ab

73.2ab

6.56bc

1.0b

22.86b

2.58ab

130.8bc

50.3bc

9.82bc

2.754bc

29.2b

427bc

NERICA 2

73.7ab

3.13b

73ab

5.66b

0.64ab

21.66ab

3.61bc

140.4bc

19.1ab

9.52bc

2.741bc

28.3ab

301ab

N2/D

71ab

1.98a

73.6ab

5.88bc

0.65ab

24.32bc

3.52bc

146.9bc

57.1c

9.55bc

2.741bc

33.8c

342ab

N2/K

73ab

2.04ab

74.1ab

8.07d

2.03c

23.98bc

2.18a

144.2bc

81.9d

9.48bc

2.599ab

29.5b

436bc

N2/N10

72.7ab

3.54b

66.5a

5.52b

0.58ab

23.06b

3.55bc

131.5b

14.3a

9.31ab

2.686b

29.2b

323ab

N2/N4

71.5ab

2.71ab

72.4ab

5.68b

0.74ab

23.85bc

3.66bc

137.3bc

21ab

9.6ab

2.717bc

31.5bc

320ab

N2/S

78.8ab

2.52ab

73.4ab

4.27a

0.49ab

20.73a

2.52ab

128.2b

40.8b

9.09ab

2.689b

28.3ab

381b

NERICA 4

73.7ab

2.82ab

72ab

4.92ab

0.5ab

23.71bc

3.78bc

133bc

17.8ab

9.48bc

2.69b

29.7b

327ab

N4/D

71.3ab

3.19ab

78.4b

5.15ab

0.47ab

24.58c

4.3c

151.9bc

13.2a

9.92c

2.887c

33.8c

287a

N4/K

79.3bc

2.64ab

84b

6.43bc

0.57ab

23.65bc

3.24b

148.7bc

59.4c

9.59bc

2.689b

31.3bc

435bc

N4/N10

69a

3.31b

72.5ab

6.04b

0.65ab

23.74bc

3.95bc

142.3c

22.9ab

9.6bc

2.65ab

33bc

309ab

N4/S

70a

1.87ab

84.7b

6.81bc

0.87ab

22.69bc

3.08ab

136.2b

48.8bc

9.48b

2.646ab

27.8ab

372ab

Supaa

95.2d

4.55c

93.2c

5.94b

0.33a

23.1b

3.08ab

109.5a

19.7ab

9.87bc

2.928c

30.7bc

490c

S/K

80.5bc

4.09c

80.6ab

6.68bc

0.43a

24.11bc

2.64ab

139.3b

37.7b

9.41b

2.597ab

34c

329ab

Mean values in the table denoted by different letters are significantly different at . Two-way ANOVA, 50% f: days to 50% flowering, 100 gwt: 1000 grain weight, Grl: grain length, Grw: grain width, Pht: plant height, Pwt: panicle weight, Pnl: panicle length, Rt: reproductive tillers, Ti: total tillers, Fs: fertile spikelets, Ufs: unfertile spikelets, Ut: unproductive tillers, Mean separation Tukeys.