Influence of Preservation Effect in Cut Rose Samansha Under Ultrasonic Pretreatment with Different Parameter Combinations(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Influence of Preservation Effect in Cut Rose Samansha Under Ultrasonic Pretreatment with Different Parameter Combinations

Author(s):: AN Xiao-qin¹; 2; HE Wen-ting²; 3; GUO Wei-ming²; NING Shi-hua²; 4; 1.College of Forestry and Horticulture，Xinjiang Agricultural University，Urumqi，Xinjiang 830052；
2.College of Horticulture，Nanjing Agricultural University，Nanjing，Jiangsu 210095；
3.Institute of Plant Protection，Chinese Academy of Agricultural Sciences，Beijing 100094；
4.Nanjing Landscape Company，Nanjing，Jiangsu 210037

Keywords:: cut rose; ultrasonic pretreatment; parameter combination; vase quality; medium; temperature

Abstract:: Vase life and fresh weight as the indices to compare the preservation effect of ultrasonic pretreatment on cut rose with different combinations of frequency，power and treatment time.The results showed that suitable parameter combination of ultrasonic pretreatment could increase fresh weight at the early stage of vase holding，and inhibit its decreasing during the later period，and prolong vase life.View the general conclusions as a whole，fresh-keeping effect of low frequency(25 000 Hz) was better than high frequency(40 000 Hz)，under these two frequencies，70 watt always was the best power，and 100 watt was opposite；under 25 000 Hz，preservation effect of all treatments except 40 watt treatment presented basically an increasing trend which followed treatment time during 60 min；the best pretreatment of ultrasonic wave was 25 000 Hz,70 W,60 min，the vase life of cut rose was prolonged 1.5 days.Ultrasonic wave would produce thermal effect in the medium during pretreatment，the heat increased effect of low frequency was stronger than high frequency，and high power stronger than low power.Glass used as medium did not affect preservation effect of ultrasonic wave.So the ultrasonic wave could be applied to pretreatment in postharvest on cut flower，but the pretreatment parameter of which should be screened.

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Last Update: 2014-08-24