Table 1 Growth duration in machine-transplanted double-cropped rice grown under different sowing periods in 2015 and 2016.
Season | Cultivar | Sowing date delay (days) | FH (date) | MA (date) | Days from TP to FH | Days from FH to MA | Growth duration (days) |
---|---|---|---|---|---|---|---|
2015 ER | ZZ39 | + 0 | 6–10 | 7–10 | 54 | 30 | 105 |
+5 | 6–14 | 7–14 | 52 | 30 | 104 | ||
+10 | 6–19 | 7–20 | 53 | 31 | 104 | ||
+15 | 6–23 | 7–22 | 52 | 29 | 102 | ||
2016 ER | ZZ39 | + 0 | 6–16 | 7–12 | 63 | 26 | 109 |
+5 | 6–18 | 7–16 | 61 | 27 | 108 | ||
+10 | 6–20 | 7–20 | 59 | 28 | 107 | ||
+15 | 6–23 | 7–23 | 55 | 30 | 105 | ||
LLY268 | + 0 | 6–21 | 7–16 | 68 | 25 | 113 | |
+5 | 6–23 | 7–20 | 65 | 27 | 112 | ||
+10 | 6–26 | 7–25 | 64 | 28 | 112 | ||
+15 | 6–29 | 7–28 | 61 | 29 | 110 | ||
Average | +0 | 62 ± 7a | 27 ± 3a | 109 ± 4a | |||
+5 | 59 ± 7a | 28 ± 2a | 108 ± 4a | ||||
+10 | 59 ± 6a | 29 ± 2a | 108 ± 4a | ||||
+15 | 56 ± 5a | 29 ± 1a | 106 ± 4a | ||||
LSD0.05 | 11 | 3 | 8 | ||||
2015 LR | HY518 | + 0 | 9–10 | 10–13 | 53 | 33 | 110 |
+5 | 9–12 | 10–22 | 55 | 40 | 114 | ||
+10 | 9–17 | 10–26 | 54 | 39 | 113 | ||
+15 | 9–20 | 11–02 | 52 | 43 | 115 | ||
+20 | 10–2 | 11–13 | 59 | 42 | 121 | ||
2016 LR | HY518 | + 0 | 9–09 | 10–18 | 55 | 40 | 109 |
+5 | 9–14 | 10–23 | 56 | 39 | 109 | ||
+10 | 9–18 | 10–28 | 55 | 40 | 109 | ||
+15 | 9–22 | 11–03 | 54 | 42 | 110 | ||
+20 | 9–28 | 11–10 | 56 | 42 | 112 | ||
TY390 | + 0 | 9–14 | 10–25 | 60 | 42 | 116 | |
+5 | 9–18 | 11–02 | 60 | 45 | 119 | ||
+10 | 9–22 | 11–09 | 59 | 48 | 121 | ||
+15 | 9–28 | 11–16 | 61 | 48 | 123 | ||
+20 | 10–4 | 11–22 | 62 | 50 | 126 | ||
Average | +0 | 56 ± 4a | 38 ± 5a | 112 ± 4a | |||
+5 | 57 ± 3a | 41 ± 3a | 114 ± 5a | ||||
+10 | 56 ± 3a | 42 ± 5a | 114 ± 6a | ||||
+15 | 56 ± 5a | 44 ± 3a | 116 ± 7a | ||||
+20 | 59 ± 3a | 45 ± 5a | 120 ± 7a | ||||
LSD0.05 | 6 | 8 | 11 |