外源多效唑与赤霉素对日光温室早春茬马铃薯淀粉合成和积累的影响  

Effect of exogenous application of PP_(333) and GA_(3) on starch synthesis and accumulation of the potato in greenhouse

作　　者：彭佃亮[1] 唐玉海[1] 张敬敏[1] 王兴翠[1] 杨文霞[1] 李美芹[1] PENG Dianliang;TANG Yuhai;ZHANG Jingmin;WANG Xingcui;YANG Wenxia;LI Meiqin(Facility Horticulture Laboratory of Universities in Shandong/Weifang University of Science and Technology,Shouguang 262700,Shandong,China)

机构地区：[1]山东省高校设施园艺重点实验室·潍坊科技学院,山东寿光262700

出　　处：《中国瓜菜》2021年第11期80-84,共5页China Cucurbits And Vegetables

基　　金：山东省高校设施园艺实验室项目(2018YY015)。

摘　　要：为探究日光温室早春茬马铃薯的化控抗逆生产效果,以田园1号和希森6号马铃薯品种为材料,通过现蕾期叶面喷施100 mg·L^(-1)多效唑与50 mg·L^(-1)赤霉素,研究其对马铃薯块茎淀粉合成和积累的影响。结果表明,喷施多效唑显著提高了马铃薯块茎生长过程中蔗糖合成酶及蔗糖转化酶活性,而赤霉素则降低了马铃薯块茎的蔗糖合成酶及蔗糖转化酶活性,进而改变了马铃薯块茎蔗糖及还原糖含量;多效唑显著提高了马铃薯块茎产量及淀粉含量,而赤霉素处理结果与之相反:其中多效唑处理分别使田园1号、希森6号产量增加20.48%、21.95%,赤霉素处理分别使2个品种产量降低13.86%、24.91%。喷施外源多效唑与赤霉素通过调节马铃薯块茎合成酶活性进而调控马铃薯块茎淀粉积累及产量。In order to explore the chemical control and stress resistance production of early spring potato in solar greenhouse,the potato varieties Tianyuan 1 and Xisen 6 were used to study the effects of 100 mg·L^(-1) paclobutrazol and 50 mg·L^(-1) gibberellin on the starch synthesis and accumulation of potato tuber.The results showed that,compared with the control,the activities of sucrose synthetase and sucrose invertase were significantly increased with the application of paclobutrazol,and the activities of that were decreased using gibberellin,then the contents of sucrose and reducing sugar in potato tubers were changed;The yield of Tianyuan No.1 and Xisen No.6 was increased by 20.48%and 21.95%using paclobutrazol treatment,and the yield of the two varieties was reduced by 13.86%and 24.91%using gibberellin.Spraying exogenous paclobutrazol and gibberellin regulates potato tuber starch accumulation and yield by regulating potato tuber starch synthase activity.

关 键 词：马铃薯 化控物质 温室 淀粉 产量 

分 类 号：S532[农业科学—作物学]