Table 4. Effect of cultivar, season, tissue, cultivar*season, cultivar*tissue, season*tissue and cultivar*season*tissue on the accumulation of different catechins and caffeine in tea plants.
| Effect | DF | GC | C | EC | ECG | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SS | MS | F-value | SS | MS | F-value | SS | MS | F-value | SS | MS | F-value | p-value | ||
| cultivar | 2 | 32.778 | 16.389 | 824.52 | 641.422 | 320.711 | 4185.3 | 239.376 | 119.688 | 15930 | 184.32 | 92.16 | 372.81 | 0.0005* |
| season | 3 | 319.342 | 106.447 | 5355.28 | 882.081 | 294.027 | 3837.1 | 335.952 | 111.984 | 14904 | 3031.39 | 1010.46 | 4087.69 | 0.0005* |
| tissue | 1 | 380.190 | 380.190 | 19127.07 | 2465.424 | 2465.424 | 32174.3 | 143.439 | 143.439 | 19091 | 6388.74 | 6388.74 | 25844.74 | 0.0005* |
| cultivar*season | 6 | 172.128 | 28.688 | 1443.27 | 306.135 | 51.023 | 665.9 | 16.175 | 2.696 | 359 | 465.52 | 77.59 | 313.87 | 0.0005* |
| cultivar*tissue | 2 | 34.923 | 17.462 | 878.48 | 412.982 | 206.491 | 2694.8 | 11.615 | 5.807 | 773 | 335.65 | 167.82 | 678.91 | 0.0005* |
| season*tissue | 3 | 61.425 | 20.475 | 1030.07 | 898.680 | 299.560 | 3909.3 | 47.615 | 15.872 | 2112 | 1593.97 | 531.32 | 2149.39 | 0.0005* |
| cultivar*season*tissue | 6 | 116.131 | 19.355 | 973.74 | 298.360 | 49.727 | 648.9 | 21.722 | 3.620 | 482 | 885.88 | 147.65 | 597.28 | 0.0005* |
| Error | 48 | 0.954 | 0.020 | 3.678 | 0.077 | 0.361 | 0.008 | 11.87 | 0.25 | |||||
| Total | 71 | 1117.871 | 5908.763 | 816.253 | 12897.33 | |||||||||
| EGC | EGCG | TC | Caffeine | |||||||||||
| Effect | DF | SS | MS | F-value | SS | MS | F-value | SS | MS | F-value | SS | MS | F-value | p-value |
| cultivar | 2 | 69.29 | 34.65 | 294.9 | 1775.6 | 887.8 | 884.3 | 271.9 | 135.9 | 78.1 | 188.48 | 94.24 | 670.4 | 0.0005* |
| season | 3 | 164.09 | 54.70 | 465.5 | 13003.1 | 4334.4 | 4317.3 | 50648.5 | 16882.8 | 9704.1 | 1177.47 | 392.49 | 2792.0 | 0.0005* |
| tissue | 1 | 1191.94 | 1191.94 | 10144.5 | 92344.7 | 92344.7 | 91981.9 | 249465.2 | 249465.2 | 143389.8 | 3003.55 | 3003.55 | 21366.1 | 0.0005* |
| cultivar*season | 6 | 99.70 | 16.62 | 141.4 | 2095.8 | 349.3 | 347.9 | 5838.6 | 973.1 | 559.3 | 363.86 | 60.64 | 431.4 | 0.0005* |
| cultivar*tissue | 2 | 140.51 | 70.26 | 597.9 | 2038.7 | 1019.3 | 1015.3 | 609.6 | 304.8 | 175.2 | 56.68 | 28.34 | 201.6 | 0.0005* |
| season*tissue | 3 | 127.02 | 42.34 | 360.4 | 15199.9 | 5066.6 | 5046.7 | 40420.3 | 13473.4 | 7744.4 | 282.62 | 94.21 | 670.2 | 0.0005* |
| cultivar*season*tissue | 6 | 108.05 | 18.01 | 153.3 | 1532.2 | 255.4 | 254.4 | 7159.1 | 1193.2 | 685.8 | 187.05 | 31.18 | 221.8 | 0.0005* |
| Error | 48 | 5.64 | 0.12 | 48.2 | 1.0 | 83.5 | 1.7 | 6.75 | 0.14 | |||||
| Total | 71 | 1906.25 | 128038.1 | 354496.6 | 5266.47 | |||||||||
DF = degree of freedom, SS = Sum of squares, MS = Mean square. Asterisks indicate that the content was significantly different (*P ≤ 0.05).