无花果果实对非外伤性振动的生理反应

Physiological responses of fig fruit to non wounding vibration

研究了麦苏依陶芬和布兰瑞克无花果果实经非外伤性振动后的呼吸强度、乙烯释放量、细胞渗漏率和超氧物歧化酶(SOD)活性的变化。结果表明,在 4.0×g下非外伤性振动 1 0min能诱导无花果果实呼吸强度、乙烯释放量、细胞渗漏率和SOD活性的显著升高。振动处理后从第 4日开始,振动反应的某些生理活性逐渐恢复正常,表明离体果实中存在着一种适应振动胁迫的修复机制。无花果品种麦苏依陶芬对振动的敏感性高于品种布兰瑞克。以对振动敏感性的影响方面。

Respiration rate,ethylene production,cellular leakage and superoxide dismutase (SOD) activity in fig ( Ficus carica L. cv. Masuidauphine, Brunswick ) fruit were investigated after the treatment of non wounding vibration. Treatments of non wounding vibration for 10 min at the force of 4.0× g induced the increases of respiration rate,ethylene production,cellular leakage and SOD activity in fig fruit. The accelerated physiological activities induced by vibration were partially recovered beginning from the 4th day after vibration,suggesting that a recovery mechanism resisting to the vibrational stress might exist in detached fruit. Masuidauphine was more susceptible to vibration than Brunswick . It might be probable that the physical properties of fig fruit had more influences on their susceptibility to vibration than the physiological characteristics did.