植物营养与肥料学报201319(6）：1459-1463 Journal of Plant Nutrition and Fertilizer
doi10. 11674/zwyf. 2013. 0621
不同短截处理对苹果树体内源激素含量的影响
孙聪伟’，冯建忠？，葛顺峰，姜远茂！
（1作物生物学国家重点实验室，山东农业大学园艺科学与工程学院，山东泰安271018；
2石家庄果树研究所，河北石家庄000217）
摘要：以三年生红富士（MlausdomesticaBorkh.cv.RedFuji）/SH/八棱海棠（MalusmicromalusMakino）为试材，研究不同短截程度对苹果树体内源激素含量变化的影响。结果表明，不同短截处理均降低了植株茎尖、细根内吲哚乙酸(IAA)含量。春梢开始生长期茎尖脱落酸（ABA）含量重短截>中短截>轻短截，分别为224.85、204.95和 189.16ng/g，FW，重短截与对照处理间差异不显著。春梢旺长期和春梢缓长期4个处理茎尖及细根ABA含量呈重短截>中短截>轻短截>对照的趋势。不同处理间植株茎尖、细根中赤霉素（GA）、玉米素核苷（ZR)含量变化
理降低了茎尖IAA、（IAA+GA+ZR)/ABA，提高了ABA含量，一定程度上削弱了生长势，抑制了新梢生长。关键词：短截；苹果：内源激素
中图分类号：S661.1.60：S625.5*7
文献标识码：A
文章编号：1008-505X(2013)06-1459-05
Effects of pruning length ondynamic changes of
endogenous hormones in apple tree
SUN Cong-wei', FENG Jian-zhong , GE Shun-feng , JIANG Yuan-mao"
(I State Key Laboratory of Crop Biology/ College of Horticulture Science and Engineering, Shandong Agricultural Uninersity:
Tai'an, Shandong 2710/8, China: 2 Shijiazhuang Pomology Institute, Shjiazhuang, Hebei 000217, China)
Abstract: Three-year-old apple trees (Mlaus domestica Borkh. cv. Red Fuji)/SH/Malus micromalus Makino were used to study effects of short-eutting on dynamic changes of endogenous hormones . The results show that the contents of endogenous IAA in shoot tips and fine roots are reduced under the treatments . At the early vigorous growing period of shoots , the contents of ABA in shoot tips are in the following order : heavy short-cutting > middle short-cutting >light short-cutting，which are 224.85,204.95 and 189.16 ng/g,FW respectively,and the difference of the contents between the heavy short -cutting and the control is not significant. At the vigorous growing period and slow growth period of shoots , the contents of endogenous ABA in shoot tips and fine roots under the short-cutting are significantly higher than those of the control , while the changes of the contents of ZR and GA are not significant. The ratios of(IAA + GA + ZR)/ABA in shoot tips and fine roots are decreased with the increase of pruning length. The contents of IAA and the ratios of (IAA + GA +ZR) to ABA under the short-cutting treatments are decreased, while the contents of ABA in shoot tips are increased , which weakens the new shoots and plant growth.
Key words short-cuttingMlaus domesticaendogenous hormone
收稿日期：2013-04-10
接受日期：2013-07-16
基金项目：现代农业产业技术体系建设专项资金（CARS-28）；公益性行业（农业)科研专项资金（201103003）；山东省农业重大应用创新课题
(201009）资助。
作者简介：孙聪伟（1987—），女，河北石家庄人，硕士研究生，主要从事果树营养生理研究。E-mail；suncongwei-ck@163.com
*通信作者E-mail：ymjiang@ sdau.edu.en