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Table 3 Effects of exogenous GR24 treatments on chlorophyll contents in leaves of cucumber seedlings under low light stress

From: Physiological mechanism of strigolactone enhancing tolerance to low light stress in cucumber seedlings

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
  1. 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