|
Treatments
|
Chl a (mg·g−1)
|
Chl b (mg·g− 1)
|
Total Chl (mg·g− 1)
|
Chl a/b
|
|---|
|
Cont
|
1.50 ± 0.02b
|
0.94 ± 0.02b
|
2.44 ± 0.02a
|
1.59 ± 0.04b
|
|
Cont+ GR24
|
1.53 ± 0.03b
|
0.90 ± 0.01bc
|
2.43 ± 0.02a
|
1.70 ± 0.05a
|
|
LL
|
1.05 ± 0.03c
|
1.15 ± 0.01a
|
2.20 ± 0.04b
|
0.91 ± 0.02c
|
|
LL + GR24
|
1.59 ± 0.01a
|
0.88 ± 0.03c
|
2.47 ± 0.04a
|
1.80 ± 0.06a
|
- Note: The growth of cucumber seedlings was significantly inhibited under different treatments for 7 d. The values are the means ± SEs (n = 3). The different letters indicate significant differences at P < 0.05 according to Duncan’s multiple range test. Cont, 0 μM GR24 + 500μmolm− 2s−1PPFD; Cont+GR24, 10 μM GR24 + 500μmolm− 2 s− 1 PPFD; LL, 0 μM GR24 + 60μmolm− 2 s− 1 PPFD; LL + GR24, 10 μM GR24 + 60μmolm− 2 s− 1 PPFD
