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温州蜜柑结果类枝条与坐果率、果实大小的关系
引用本文:张义,陈欢. 温州蜜柑结果类枝条与坐果率、果实大小的关系[J]. 南方农业学报, 2012, 42(2): 213-216
作者姓名:张义  陈欢
作者单位:长江大学园艺园林学院
基金项目:湖北省教育厅产学研合作项目(CXY2009B013)
摘    要:【目的】研究温州蜜柑的树相指标,为柑橘优质栽培提供科学依据。【方法】以21年生国庆一号温州蜜柑为材料,研究温州蜜柑结果母枝、结果枝类型与坐果率、果实横径的关系。【结果】结果母枝长度为0.13~46.50 cm、粗度为0.12~0.92 cm,随着结果母枝增长和增粗,单位母枝上有叶结果枝数增多,有叶结果枝坐果率高于无叶结果枝坐果率;结果母枝粗度≤0.20 cm时,其上有叶结果枝坐果率和无叶结果枝坐果率均最高,结果母枝长度≤10.0 cm时,有叶结果枝坐果率最高,但结果母枝粗度、长度与有叶、无叶结果枝的坐果率相关性均不显著;叶数为1~3片的有叶结果枝结果数量最多,占结果总数的87.6%;结果母枝粗度、长度分别与其果实横径呈极显著和显著的正相关,但果实横径与结果枝叶数相关性不显著;有叶结果枝比无叶结果枝的果实普遍较大。【结论】温州蜜柑以粗度和长度较小的结果母枝为主,但粗壮的结果母枝能抽出较多的有叶结果枝,有利于提高坐果率、增大果实横径,生产上要注意粗壮结果母枝的培养。

关 键 词:温州蜜柑  结果母枝  有叶结果枝  无叶结果枝  坐果率  果实横径

Relationship among fruit-bearing branch,fruit-setting rate and fruit size in Satsuma mandarin
ZHANG Yi,CHEN Huan. Relationship among fruit-bearing branch,fruit-setting rate and fruit size in Satsuma mandarin[J]. Journal of Southern Agriculture, 2012, 42(2): 213-216
Authors:ZHANG Yi  CHEN Huan
Affiliation:(College of Horticulture and Gardening,Yangtze University,Jingzhou,Hubei 434025,China)
Abstract:[Objective]Tree morphological indices were studied in order to provide scientific references for good-quality citrus fruits cultivation.[Method]Relationships among mother fruit-bearing branch,type of fruit-bearing branch,fruit-setting rate and fruit diameter were investigated in 21-year-old Satsuma mandarin Guoqing 1 trees.[Result]The length and thickness of mother fruit-bearing branch ranged from 0.13-46.50 and 0.10-0.92 cm,respectively.Longer and thicker mother branches were found to have more fruit-bearing branches with leaves.The fruit-setting rate was higher in fruit-bearing branch with leaves compared to those without leaves.The fruit-setting rates of both the fruit-bearing branch with and without leaves were the highest when the diameter of mother fruit-bearing branch was less than or equal to 0.20 cm.But it was the highest in fruit-bearing branch with leaves,when the length of mother fruit-bearing branch was less than or equal to 10.0 cm.No significant correlations were observed between the diameter and length of mother fruit-bearing branch and fruit-setting rate of fruit-bearing branch with or without leaves.The fruit number on the fruit-bearing branch with 1 to 3 leaves was the highest,accounting for 87.6%.Diameter and length of mother fruit-bearing branch was positively correlated with fruit diameter,nevertheless fruit diameter had no correlations with the number of leaves in fruit-bearing branch.Lastly,fruits of the fruit-bearing branch with leaves were generally bigger than those without leaves.[Conclusion]Trees of Satsuma mandarin have large number of relatively small and short mother fruit-bearing branches.However,thicker and stronger mother fruit-bearing branch can produce more fruit-bearing branches with leaves leading to higher fruit-setting rate and bigger fruits.Hence,maintaining thicker and stronger mother fruit-bearing branch should be taken into account in its production.
Keywords:Satsuma mandarin  mother fruit-bearing branch  leafing fruit-bearing branch  fruit-bearing branch without leaves  fruit-setting rate  fruit diameter
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