Table 1 Effects of different treatments on interception rate and transmittance of photosynthetic active radiation in different canopy layers (2020–2022).
Treatments | Total canopy in extensional branching stage | Different layers of canopy in flowering stage | Total canopy at flowering stage | ||||||
|---|---|---|---|---|---|---|---|---|---|
Upper layer | Lower layer | ||||||||
Variety | Sowing date | CaR [%] | PeR [%] | CaR [%] | PeR [%] | CaR [%] | PeR [%] | CaR [%] | PeR [%] |
Blue bedder | T1 | 92.03a | 7.97e | 83.11a | 16.89b | 14.45a | 14.31a | 97.56ab | 2.44ef |
T2 | 91.38ab | 8.62de | 81.64ab | 18.36ab | 16.41a | 14.65a | 98.05a | 1.95f. | |
T3 | 86.35bc | 13.65 cd | 80.95ab | 19.05ab | 16.30a | 15.35a | 97.26abc | 2.74def | |
T4 | 83.58 cd | 16.42bc | 79.16ab | 20.84ab | 17.57a | 15.80a | 96.72abcd | 3.28cdef | |
T5 | 80.39d | 19.61b | 66.98ab | 33.02a | 27.49a | 17.98a | 94.47cde | 5.53bcd | |
Mixed bedding | T1 | 84.42 cd | 15.58bc | 77.51ab | 22.49ab | 16.34a | 27.16a | 93.85de | 6.15bc |
T2 | 83.20 cd | 16.80bc | 83.20a | 16.80b | 13.22a | 23.98a | 96.41abcd | 3.59cdef | |
T3 | 84.00 cd | 16.00bc | 79.30ab | 20.70ab | 15.59a | 25.05a | 94.89bcde | 5.11bcde | |
T4 | 79.83d | 20.17b | 71.63ab | 28.37ab | 21.01a | 29.54a | 92.64ef | 7.36ab | |
T5 | 73.26e | 26.74a | 65.83b | 31.83ab | 24.22a | 34.43a | 90.05f. | 9.95a | |
Source of variance | |||||||||
Variety | ** | ** | ns | ns | ns | ** | ** | ** | |
Sowing date | ** | ** | * | * | ns | ns | ** | ** | |
Variety × sowing date | ns | ns | ns | ns | ns | ns | ns | ns | |
