强闪光抑制棉花叶片光系统II活性和热耗散

吴含玉,肖飞,张亚黎,姜闯道,张旺锋

Repetitive intense flashes inhibit photosystem II activity and thermal dissipation in cotton leaves

Han-Yu WU,Fei XIAO,Ya-Li ZHANG,Chuang-Dao JIANG,Wang-Feng ZHANG

图4 强闪光对棉花叶片荧光猝灭动力学的影响 A: PSII实际光化学效率(ΦPSII); B: 非光化学淬灭(NPQ); C: PSII调节性能量耗散的量子产量(ΦNPQ); D: PSII非调节性能量耗散的量子产量(ΦNO)。

Fig. 4 Effects of repetitive intense flashes on chlorophyll a fluorescence quenching in cotton leaves A: the actual photochemical efficiency of PSII (ΦPSII); B: non-photochemical quenching (NPQ); C: the quantum yield of regulated energy dissipation (ΦNPQ); D: the quantum yield of non-regulated energy dissipation (ΦNO).