| Primary spikelets | Secondary spikelets | Spikelets | |||||||||||
Treatment | Surviving spikelets | Retrograde spikelets | Differentiated spikelets | Retrograde percentage (%) | Surviving spikelets | Retrograde spikelets | Differentiated spikelets | Retrograde percentage (%) | Surviving spikelets | Retrograde spikelets | Differentiated spikelets | Retrograde percentage (%) | ||
Chongzhou |
|
|
|
|
|
|
|
|
|
|
|
| ||
S1V1 | 69.73ab | 6.97ab | 76.69a | 9.10ab | 179.99b | 27.10cd | 207.09b | 13.05de | 249.71b | 34.07bcd | 283.78b | 11.98cd | ||
S1V2 | 64.69cd | 1.17fg | 65.86c | 1.77e | 141.06d | 31.13bc | 172.19c | 18.07bc | 205.75d | 32.29cde | 238.05cd | 13.57bcd | ||
S1V3 | 63.67cd | 4.80cd | 68.47bc | 6.98bc | 155.54cd | 21.59d | 177.14c | 12.34e | 219.21cd | 26.40de | 245.61cd | 10.79d | ||
S1V4 | 63.79cd | 3.26de | 67.05c | 4.90cd | 139.97d | 20.94d | 160.91cd | 12.98de | 203.76d | 24.20e | 227.95de | 10.64d | ||
S2V1 | 70.47a | 8.56a | 79.03a | 10.83a | 206.14a | 58.71a | 264.84a | 22.26ab | 276.61a | 67.26a | 343.87a | 19.60a | ||
S2V2 | 66.73bc | 0.89g | 67.62c | 1.33e | 111.07e | 34.88bc | 145.95d | 23.91a | 177.81e | 35.77bc | 213.57e | 16.75ab | ||
S2V3 | 62.67d | 6.00bc | 68.67bc | 8.74ab | 175.05bc | 35.31b | 210.36b | 16.77cd | 237.72bc | 41.31b | 279.03b | 14.78bc | ||
S2V4 | 68.49ab | 2.78ef | 71.2b | 3.90de | 151.12d | 32.00bc | 183.12c | 17.47c | 219.60cd | 34.78bc | 254.39c | 13.67bcd | ||
Mean | 66.28 | 4.30 | 70.58 | 5.94 | 157.49 | 32.71 | 190.20 | 17.11 | 223.77 | 37.01 | 260.78 | 13.97 | ||
F-value | S | 3.33 | 1.58 | 8.10* | 0.76 | 1.71 | 68.01** | 17.35** | 35.41** | 2.68 | 70.07** | 21.52** | 36.91** | |
V | 10.41** | 51.51** | 43.93** | 40.06** | 31.13** | 16.15** | 41.68** | 8.37** | 35.31** | 25.32** | 55.69** | 5.85** | ||
S × V | 1.83 | 1.64 | 1.23 | 1.51 | 6.05** | 10.51** | 11.41** | 1.20 | 5,86** | 11.65** | 11.80** | 2.15 | ||
Hanyuan |
|
|
|
|
|
|
|
|
|
|
|
| ||
S1V1 | 60.80ab | 10.79a | 71.60a | 15.06a | 177.95a | 29.68b | 207.63a | 14.34d | 238.75a | 40.47bc | 279.23a | 14.51d | ||
S1V2 | 57.12bc | 2.79d | 59.91d | 4.70cd | 101.71de | 37.13b | 138.58cd | 26.85a | 158.84cd | 39.92bc | 198.49ef | 20.16abc | ||
S1V3 | 51.27d | 7.94bc | 59.15de | 13.42a | 143.36b | 51.32a | 194.67ab | 26.30ab | 194.57b | 59.25a | 253.83bc | 23.32ab | ||
S1V4 | 54.55cd | 7.63c | 62.18cd | 12.29ab | 122.46c | 32.27b | 154.73c | 20.83bc | 177.01bc | 39.90bc | 216.91de | 18.4bcd | ||
S2V1 | 59.17abc | 9.45ab | 68.58ab | 13.79a | 167.27a | 37.37b | 204.65a | 18.24cd | 226.40a | 46.82b | 273.22ab | 17.13cd | ||
S2V2 | 54.84cd | 1.01e | 55.85e | 1.83d | 100.80e | 32.01b | 132.81d | 24.27ab | 155.64d | 33.03c | 186.66f | 17.60cd | ||
S2V3 | 59.05abc | 6.64c | 65.68bc | 10.13b | 130.62bc | 53.31a | 183.93b | 28.82a | 189.66b | 59.95a | 249.61c | 23.87a | ||
S2V4 | 63.76a | 4.03d | 67.79b | 6.00c | 120.17cd | 38.37b | 158.54c | 24.32ab | 183.93b | 42.40bc | 226.33d | 18.76bcd | ||
Mean | 57.57 | 6.29 | 63.84 | 9.65 | 133.04 | 38.93 | 171.94 | 23.00 | 190.60 | 45.22 | 235.54 | 19.22 | ||
F-value | S | 9.61** | 25.46** | 2.15 | 26.36** | 2.49 | 0.92 | 0.70 | 1.55 | 0.58 | 0.06 | 0.30 | 0.049 | |
V | 5.00* | 74.12** | 39.81** | 50.97** | 51.07** | 10.40** | 45.64** | 11.12** | 50.12** | 12.87** | 54.50** | 8.74** | ||
S × V | 8.33** | 1.86 | 11.97** | 2.45 | 0.49 | 1.06 | 0.42 | 1.03 | 0.80 | 0.99 | 0.74 | 0.952 | ||