Table 5.
Simulated errors (observed - simulated values) for the number of days from planting to flowering, fruit set, and harvest of peppers using models based on physiological development time (PDT), product of thermal effectiveness and PAR (photosynthetically active radiation) (TEP) and growing degree days (GDD).
| Period | Water capacity | PDT | TEP | GDD | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days | Days | Days | |||||||||||
| 2 | 4 | 6 | 8 | 2 | 4 | 6 | 8 | 2 | 4 | 6 | 8 | ||
| Planting to flowering | 75–85% 65–75% 55–65% 45–55% |
95 (0) 93 (1) 92 (-2) 101 (1) |
94 (1) 92 (-1) 89 (-1) 103 (1) |
95 (0) 91 (-2) 99 (-1) 106 (2) |
94 (1) 97 (1) 100 (-1) 109 (1) |
94 (-1) 96 (2) 91 (1) 100 (-2) |
96 (1) 92 (1) 87 (-1) 102 (-2) |
94 (-1) 90 (1) 101 (3) 106 (-2) |
96 (1) 100 (2) 100 (1) 109 (-1) |
93 (-2) 93 (-1) 92 (2) 105 (3) |
94 (-1) 88 (-3) 90 (2) 107 (3) |
93 (-2) 90 (1) 99 (1) 110 (2) |
94 (-1) 99 (1) 101 (2) 113 (3) |
| Planting to fruit set | 75–85% 65–75% 55–65% 45–55% |
114 (-1) 112 (-1) 108 (2) 121 (2) |
113 (1) 111 (-2) 107 (-1) 124 (2) |
114 (-1) 110 (-2) 116 (-1) 126 (2) |
113 (1) 116 (1) 119 (-1) 128 (2) |
110 (-3) 113 (2) 113 (3) 126 (3) |
113 (-1) 110 (1) 108 (2) 128 (2) |
110 (-3) 109 (1) 112 (-3) 130 (2) |
113 (-1) 115 (-2) 116 (-2) 133 (3) |
109 (-4) 114 (3) 113 (3) 122 (-1) |
112 (-2) 113 (4) 110 (4) 124 (-2) |
109 (-4) 112 (4) 112 (-3) 130 (2) |
112 (-2) 116 (-1) 115 (-3) 133 (3) |
| Planting to harvest | 75–85% 65–75% 55–65% 45–55% |
169 (1) 166 (1) 162 (1) 174 (2) |
169 (-1) 165 (-1) 160 (-2) 177 (2) |
169 (1) 164 (-3) 171 (1) 179 (2) |
169 (-1) 173 (-1) 172 (3) 182 (2) |
169 (-1) 165 (-2) 161 (-2) 180 (4) |
166 (-2) 165 (1) 155 (-3) 182 (3) |
169 (-1) 160 (-1) 174 (2) 186 (5) |
166 (-2) 169 (-3) 178 (3) 188 (4) |
166 (-4) 171 (4) 160 (-3) 172 (-4) |
165 (-3) 167 (3) 154 (-4) 175 (-4) |
166 (-4) 164 (3) 175 (3) 178 (-3) |
165 (-3) 169 (-3) 177 (2) 181 (-3) |
N=30.