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    题名: Effects of GA(3) application on the inflorescence and yield of 'Yu Her Pau' litchi
    作者: Chen, Po-An
    Lee, Chin-Lung
    Roan, Su-Fen
    Chen, Iou-Zen
    贡献者: 園藝暨生物技術學系
    关键词: Fruit dropping
    Inflorescence pruning
    Leafy inflorescence
    日期: 2014-05-26
    上传时间: 2015-01-26 10:59:50 (UTC+8)
    摘要: The goal of this research is to understand the effects of gibberellic acid (GA(3)) on the size, type of inflorescences and yield of 'Yu Her Pau' litchi (Litchi chinensis Sonn.). Additionally, we would like to determine if GA(3) application could potentially replace manual inflorescence pruning. During the induction of inflorescence in the 2007-2008 and 2008-2009 study periods, 100 mg L-1 GA(3) was applied to the foliar part of the whole 'Yu Her Pau' litchi plant every two weeks, for a total of six treatment timings. This was done to compare the handling time with the blooming performance, as well as to compare the yields with the fruit quality of two control groups (one with no treatment and the other with only manual inflorescence pruning). The results indicated that the application of GA(3) could increase the ratio of leafy inflorescence (leafy inflorescences/total number of inflorescences) from 10% to 55% (2007-2008) and from 16.67% to 87.5% (2008-2009). Additionally, the length of the inflorescences decreased from 34.78 cm to 26.88 cm (2007-2008), and from 32.13 cm to 21.95 cm. The average number of fruit set per branch was increased from 0.49(2007-2008) and 0.5 (2008-2009) to 2.10 and 5.18, respectively. And increment did not affect the fruit quality. The fruit set that received the GA(3) application was equal to (2007-2008) or better than (2008-2009) manual pruning. These results indicate that the GA(3) treatment could effectively replace the manual inflorescence pruning in 'Yu Her Pau' litchi. (C) 2014 Elsevier B.V. All rights reserved.
    關聯: SCIENTIA HORTICULTURAE 卷: 171 頁碼: 45-50
    显示于类别:[園藝暨生物技術學系] 期刊論文

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