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Manipulation of carbohydrate concentrations in kiwifruit

 

作者: NickyG. Seager,   ErrolW. Hewett,   IanJ. Warrington,  

 

期刊: New Zealand Journal of Crop and Horticultural Science  (Taylor Available online 1995)
卷期: Volume 23, issue 2  

页码: 213-218

 

ISSN:0114-0671

 

年代: 1995

 

DOI:10.1080/01140671.1995.9513889

 

出版商: Taylor & Francis Group

 

关键词: Actinidia deliciosa;kiwifruit;flesh firmness;leaf:fruit ratio;soluble solids concentration;starch;sugar

 

数据来源: Taylor

 

摘要:

Girdling was used to manipulate carbohydrate concentrations in kiwifruit (Actinidia deliciosa(A. Chev) C.F. Liang et A.R. Ferguson var.deliciosa) laterals to determine the impact of carbohydrates on the rate of fruit maturation. Individual laterals were girdled and pruned to achieve either a 1:1 or 5:1 leaf:fruit ratio. Fresh weight, dry matter concentration, soluble solids, total sugar, and starch concentrations, were higher in fruit from the 5:1 than 1:1 leaf : fruit ratio treatment. There was, however, no impact of leaf :fruit ratio on the rate of decrease in flesh firmness. Fruit maturation, assessed by the time to reach 6.2% soluble solids concentration, was markedly delayed in the 1:1 treatment compared to fruit from the 5:1 leaf:fruit ratio treatment. Carbohydrate concentration in the 1:1 leaf:fruit ratio treatment appeared to be insufficient to allow normal fruit maturation to occur.

 

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