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当前位置: 首页 > 文章 > 黑莓果实转色至成熟进程中相关激素含量的变化 北方园艺 2018 (12) 13-19
Position: Home > Articles > Changes of Plant Hormones During Fruit Development and Ripening Process in Blackberry Fruits Northern Horticulture 2018 (12) 13-19

黑莓果实转色至成熟进程中相关激素含量的变化

作  者：
熊振豪;张春红;李维林;吴文龙
单  位：
江苏省中国科学院植物研究所;南京林业大学林学院
关键词：
黑莓;果实发育;果实硬度;乙烯;脱落酸
摘  要：
以果实硬度差异明显的‘Arapaho’和‘Boysen’黑莓品种为试材,分析比较了二者小核果形成后内源激素乙烯(ETH)、脱落酸(ABA)及油菜素甾醇(BR)含量在果实转色至成熟进程不同发育时期中的动态变化,以期为揭示黑莓果实成熟过程中激素的调控作用提供参考依据。试验表明:高硬度‘Arapaho’和低硬度‘Boysen’分别在花后12d和24d开始转色,转色后各生长发育指标均持续快速增加。‘Arapaho’ETH含量在花后21d和33~36d表现小高峰,完熟时明显下降;‘Boysen’ETH含量在花后15、24、30~33d及完熟时均出现峰值,完熟时ETH含量最高。‘Arapaho’和‘Boysen’果实ABA含量均在小核果形成后初期较低,之后在发育中后期均出现2次峰值,完熟时ABA含量均明显下降。‘Arapaho’和‘Boysen’果实BR含量在小核果形成后初期均逐渐下降,之后在发育中后期均表现为先下降后上升,果实接近完熟及完熟时BR含量均显著下降。试验表明,在‘Arapaho’和‘Boysen’果实发育成熟进程中,3种激素均参与其中,ETH和ABA在果实后期快速发育时含量较高,ABA与黑莓果实完全成熟启动关系更密切,2个品种在ETH含量变化动态上差异较大,而在ABA和BR含量变化动态趋势上具一定相似性。
译  名：
Changes of Plant Hormones During Fruit Development and Ripening Process in Blackberry Fruits
作  者：
XIONG Zhenhao;ZHANG Chunhong;LI Weilin;WU Wenlong;Institute of Botany,Jiangsu Province and Chinese Academy of Sciences;Academy of Forestry,Nanjing Forestry University;
关键词：
blackberry(Rubus spp.);;fruit development;;fruit firmness;;ethylene;;abscisic acid
摘  要：
Blackberry cultivars‘Arapaho'(high hardness)and ‘Boysen'(low hardness)were used as tested materials.The changing trends of ethylene(ETH),abscisic acid(ABA)and brassinosteroids(BR)contents were comparatively analyzed during the on-tree turning and ripening stages of blackberry fruits,in order to supply data for revealing the regulation roles of harmones during the ripening process of blackberry fruits.The results showed that‘Arapaho'and‘Boysen'began to turn to maturity color after 12 days after flowering(DAF)and 24 DAF respectively,and the growth and development indexes increased rapidly after the color conversion.The ETH content in ‘Arapaho'fruits showed small peaks at 21 DAF and 33-36 DAF,and decreased significantly at the end of ripening.The ETH content in‘Boysen'showed peaks at the stages of 15 DAF,24 DAF,30-33 DAF and ripening,and the highest ETH content emerged at the full maturity stage.The ABA contents in‘Arapaho'and‘Boysen'fruits were both lower at the early stage after the formation of small drupes following two peaks in the middle and late stages,and they decreased significantly after ripening.The BR contents in‘Arapaho'and‘Boysen'decreased gradually in the early stage after the formation of small drupes,and then showed the decrease following increase in the middle and late stages.The BR contents decreased significantly when the fruit was closed to ripening or at the ripening stage.The results suggested that three hormones were all involved in the process of fruit ripening of‘Arapaho'and‘Boysen'and higher contents of ETH and ABA were accompanied with the rapid development of fruits.Especially,the relationship between ABA content and initiation of the fruit ripening was more closely.The two blackberry cultivars had large differences in the dynamic change in ETH content,but showed certain similarity in the dynamic change trends in ABA and BR contents.

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