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ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (4): 589-593.

• 研究论文 • Previous Articles     Next Articles

Effects of Nitric Oxide on Senescence of Strawberry

Zhu Shuhua1;Zhou Jie1, 2;Shu Huairui1   

  1. (1College of Horticulture, Shandong Agricultural University, Tai'an 271018, China; 2 College of Chemistry and Material Science, Shandong Agricultural University, Tai'an 271018, China)
  • Received:2004-08-25 Revised:2004-12-22 Online:2005-08-25 Published:2005-08-25

Abstract: Using sodium nitrop russide as a nitric oxide (NO) donor, the effect of different concentration of SNP treatment on the activities of the softening enzymes of the post-harvest strawberry (‘Fengxiang’) was investigated. The results showed that in the fruits treated by 5μmol·L - 1 SNP aqueous solution, the activity of CAT could be obviously increased and those of PME, cellulase PPO and LOX could be significantly inhibited. However, exo-PG activity was hardly changed. This further opened out the mechanism that p roper concentration of NO could inhibit senescence of fruits by the way of effecting the activities of softening enzymes and p roved NO took on dual biological effects on senescence of fruits.

Key words: Strawberry, Nitric oxide, Storage, Softening, Enzyme

CLC Number: