[1]王鹏,王丹丹.乙烯利、脱落酸对采收前艳红桃成熟期的调控[J].江苏农业科学,2018,46(23):110-114.
Wang Peng,et al.Regulation effect of ethephon and abscisic acid on maturation of Prunus persica[J].Jiangsu Agricultural Sciences,2018,46(23):110-114.
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乙烯利、脱落酸对采收前艳红桃成熟期的调控(PDF)
Wang Peng,et al.Regulation effect of ethephon and abscisic acid on maturation of Prunus persica[J].Jiangsu Agricultural Sciences,2018,46(23):110-114.
《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]
- 卷:
- 第46卷
- 期数:
- 2018年第23期
- 页码:
- 110-114
- 栏目:
- 园艺与林学
- 出版日期:
- 2018-12-05
文章信息/Info
- Title:
- Regulation effect of ethephon and abscisic acid on maturation of Prunus persica
- Keywords:
- -
- 分类号:
- S662.101
- DOI:
- -
- 文献标志码:
- A
- 摘要:
- 以艳红桃(Prunus persica L.)为试验材料，采用250 μL/L乙烯利、100 μmol/L脱落酸(ABA)和100 μmol/L去甲二氢愈创木酸(Nordihydroguaiaretic acid，NDGA)处理采收前盛花90 d的艳红桃果实，并取样分析；采用实时定量PCR技术分析PpNCED2基因的表达水平，并构建艳红桃PpNCED2与其他植物NCED的系统发育树。结果表明，采收前，采用乙烯利处理艳红桃果实能够加快果实的软化，增加可溶性固形物的含量，减少可滴定酸的含量，乙烯利处理后10 d，果实即可食用，而落果率仅为5%，明显优于其他几种处理方式；并且采用乙烯利处理果实后ACS、ACO活性及ACC含量整体高于其他几种处理方式；此外，从系统发育树可见，艳红桃PpNCED2与沙梨PpNCED3同源性较高(9125%)。使用外源性ABA可诱导PpNCED2基因的表达，增加内源性ABA的含量，可见，ABA能够激活NCED基因的表达，而该基因是ABA合成途径中关键酶基因的上游调控因子，但果实的硬度、可滴定酸的含量等与对照组相比并无较大差异。
- Abstract:
- -
参考文献/References:
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备注/Memo
- 备注/Memo:
-
收稿日期：2018-03-12
基金项目：中央财政支持地方高校发展专项资金(编号：8888-8517005)。
作者简介：王鹏(1970—)，男，辽宁锦州人，硕士，副教授，主要从事植物生物学研究。E-mail：58993698@qq.com。
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