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首页> 外文会议>International citrus congress >Effect of Polyamines and Salicylic Acid on Postharvest Lemon Quality
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Effect of Polyamines and Salicylic Acid on Postharvest Lemon Quality

机译：多胺和水杨酸对柠檬质量的影响

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Inexpensive treatments that improve the shelf life of stored lemons and reduce economic loss are needed. The efficacy of polyamines (PAs) compared to GA3 combined with 2,4-D to maintain lemon fruit quality was quantified. Fruits from three orchards were treated by submersion in spermidine (Spd) or spermine (Spm) (100 mg/L) for 2 or 6 mins or salicylic acid (400 mg/L) for 6 mins. All fruits were waxed [ Stay Fresh 705 with Imazilil? (IMZ) , Freshguard 2 g/L ]. Control fruits were treated with wax + IMZ or wax + IMZ + GA3(50 mg/L) + 2,4-D (225 mg/L). After 8 weeks of storage (12°C), percent juice, total soluble solids and total acidity of spermine-and salicylic acid-treated fruit were equal to fruit treated with GA3 + 2,4-D. Fruits treated with spermidine (6 mins), spermine (2 mins) , or GA3 + 2,4-D had equal weight loss over 8 weeks. All treatments had equally low decay for 8 weeks; GA3 + 2,4-D and all polyamine-treated fruits had less decay at week 10 than other treatments. With the exception of not maintaining fruit firmness and not delaying peel or button color development through 8 weeks of storage as well as GA3 + 2,4-D, fruit treated with spermine for 2 mins were equal in all other quality parameters to GA3 + 2,4-D-treated fruit. Although spermine was not as effective as GA3 in delaying chlorophyll degradation and peel senescence, spermine could prove a cost-effective alternative to 2,4-D in the postharvest storage of lemons.
机译：需要提高储存柠檬的保质期并降低经济损失的廉价治疗方法。与Ga3相比，多胺（PAS）与2,4-D合并以维持柠檬果实质量的疗效。三个果园的果实通过浸没在固体石（SPD）或精氨酸（SPM）（100mg / L）中治疗2或6分钟或水杨酸（400mg / L）6分钟。唤醒所有水果[用伊咪唑停留新鲜705吗？ （IMZ），Flutguard 2 G / L]。用蜡+ IMZ或蜡+ IMZ + GA3（50mg / L）+ 2,4-D（225mg / L）处理控制水果。在储存8周后（12°C），果汁的百分比，总可溶性固体和精氨基和水杨酸处理的果实的总酸度等于用GA3 + 2,4-D处理的果实。用亚精亚胺（6分钟），精胺（2分钟）或Ga 3 + 2,4-D处理的果实在8周超过8周的体重减轻。所有治疗均同样低衰减8周; Ga 3 + 2,4-D和所有多胺处理的水果在10周的衰减比其他治疗中较少。除了不维持果实的坚定性而不是延迟剥离或按钮颜色发展，通过8周的储存以及GA3 + 2,4-D，在所有其他质量参数中，用精子处理2分钟的果实对GA3 + 2的果实相等，4 d处理的水果。虽然精霉素与延迟叶绿素降解和剥离衰老的GA3不如GA3一样有效，但是在柠檬的采后储存中可以证明2,4-D的经济有效替代。

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