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当前位置: 首页 > 文章 > GA_3对葡萄果实淀粉积累及代谢相关酶活性的影响 北方园艺 2011 (11) 17-20
Position: Home > Articles > Effects of GA_3 on the Amylopectin Accumulation and Related Enzyme Activities in Amylopectin Metabolism of Grape Fruits Northern Horticulture 2011 (11) 17-20

GA_3对葡萄果实淀粉积累及代谢相关酶活性的影响

作  者：
李鹏程;李铭;郁松林;郭绍杰;苏学德
单  位：
石河子大学农学院;新疆农垦科学院;新疆农垦科学院林园研究所
关键词：
GA_3;葡萄;果实;淀粉积累;酶活性
摘  要：
以3a生全球红葡萄为试材,研究了用不同浓度的赤霉素(GA_3)在花前、花后2次处理葡萄果穗后,测定其对葡萄果实淀粉积累规律以及淀粉代谢酶活性的影响。结果表明:GA_3处理增加了葡萄果实可溶性糖积累速率,蔗糖合成酶(SS)活性增加,以20mg/L GA_3处理最为显著;经GA_3处理的果实前期淀粉含量有不同程度的增加,总淀粉酶、α-淀粉酶活性增大,而对β-淀粉酶无明显影响。因此,GA_3与淀粉积累调控机理之间存在密切的联系。
译  名：
Effects of GA_3 on the Amylopectin Accumulation and Related Enzyme Activities in Amylopectin Metabolism of Grape Fruits
作  者：
LI Peng-cheng~1,LI Ming~1,YU Song-lin~2,GUO Shao-jie~1,SU Xue-de~1 (1.Xinjiang Academy of Agricultural Sciences,Shihezi,Xinjiang 832000;2.College of Agriculture,Shihezi University,Shihezi,Xinjiang 832000)
关键词：
GA_3;;grape;;fruite;;amylopectin accumulation;;enzyme activities
摘  要：
The experiment was conducted with 3-year-old Red globe grape trees,the effect of GA_3 on the amylopectin accumulation and related enzyme activities in amylopectin metabolism of grape fruits were studied after spraying the GA_3 on the fruit on before blossoming and after blossoming.The results revealed that the sugar accumulate rate and the activity of sucrose synthnase raised after treated by GA_3,20 mg/L GA_3 treatment was the best significant;Amylopectin content of grape fruits increased differently after treated by GA_3,total amylase andα-amylase activity increased,while no significant effect onβ-amylase.There was a close connection between GA_3 and amylopectin accumulation.

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