Daminozide對“旭”蘋果果實成熟期間及氣調貯藏期間乙烯生成之影響

Effect of Daminozide on the Ethylene Formation of 'Mclntosh' Apples during Maturation and in Controlled Atmosphere Storage

黃肇家(Chao-Chia Huang) ； 劉富文(Fu-Wen Liu)

《中國園藝》 35卷1期 (1989/03) Pp. 6-19

https://doi.org/10.6964/JCSHS.198903.0006

摘要

Tree-spray with daminozide in mid-summer significantly delayed the time of onset and the speed of progress of the climacteric rise of internal ethylene of 'McIntosh' apples on the tree. Daminozide suppressed the ACC content and the EFE activity of the apples simultaneously.
The internal ethylene concentration of the control apples increased slowly in the first four months of low ethylene CA storage (2.5 to 3% O2, 3% CO2, ＜1ppm C2H4, 3℃), but increased rapidly afterward. Increases of ACC content and EFE activity always occurred concurrently with the increase of internal ethylene. Daminozide-treated apples almost had no increase in the internal ethylene in the first six months of low ethylene CA storage, and had only a slight increase in the subsequent two months of storage. When the internal ethylene was low, the ACC content and EFE activity were also low.
Apples after being stored in high ethylene (500ppm) CA produced more ethylene than comparable apples after being stored in low ethylene CA. High ethylene almost completely overcame the inhibitory effect of daminozide on EFE activity, but only partially overacame the effect on ACC content. Therefore, the rate of ethylene production of daminozide-treated apples was lower than that of the control apples after high ethylene CA storage.

關鍵字

氣調貯藏 ； 蘋果 ； 乙烯生成 ； 成熟

並列摘要

Tree-spray with daminozide in mid-summer significantly delayed the time of onset and the speed of progress of the climacteric rise of internal ethylene of 'McIntosh' apples on the tree. Daminozide suppressed the ACC content and the EFE activity of the apples simultaneously.
The internal ethylene concentration of the control apples increased slowly in the first four months of low ethylene CA storage (2.5 to 3% O2, 3% CO2, ＜1ppm C2H4, 3℃), but increased rapidly afterward. Increases of ACC content and EFE activity always occurred concurrently with the increase of internal ethylene. Daminozide-treated apples almost had no increase in the internal ethylene in the first six months of low ethylene CA storage, and had only a slight increase in the subsequent two months of storage. When the internal ethylene was low, the ACC content and EFE activity were also low.
Apples after being stored in high ethylene (500ppm) CA produced more ethylene than comparable apples after being stored in low ethylene CA. High ethylene almost completely overcame the inhibitory effect of daminozide on EFE activity, but only partially overacame the effect on ACC content. Therefore, the rate of ethylene production of daminozide-treated apples was lower than that of the control apples after high ethylene CA storage.

並列關鍵字

apple ； controlled atmosphere storage ； Daminozide ； ethylene production ； maturity