[1]高 会,王美娥,赵叶舟,等.春大豆种子形成过程中β-淀粉酶的作用及与胎萌的关系[J].大豆科学,2013,32(06):768-772.[doi:10.11861/j.issn.1000-9841.2013.06.0768]
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春大豆种子形成过程中β-淀粉酶的作用及与胎萌的关系

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第32卷 期数: 2013年06期 页码: 768-772 栏目: 出版日期: 2013-12-25
Title:
Role of β-amylase in Seed Development and Relation to Pre-harvest Sprouting in Spring Soybean
作者:
?高 会1; 2; 王美娥3; 赵叶舟1; 2; 汪自强1; 2
?（1.浙江大学 农业与生物技术学院，浙江 杭州 310058; 2.无锡浙江大学生物农业研究中心，江苏 无锡 214104; 3.中国科学院 生态环境研究中心，北京 100086）
Author(s):
?（1.College of Agriculture and Biotechnology,Zhejiang University,Hangzhou 310058,China；2.WuxiBioAgriculture Research Center of Zhejiang University,Wuxi 214104,China；3.Research Center for EcoEnvironmental Sciences,Chinese Scientific Academy of Sciences,Beijing 100086,China）
关键词:
春大豆; 种子发育; β-淀粉酶; 胎萌
Keywords:
Spring soybean; Seed development; Soybean β-amylase; Precocious germination
DOI:
10.11861/j.issn.1000-9841.2013.06.0768
文献标志码:
A
摘要:
?以7个春大豆品种为材料，对其发育特性、发育过程中β-淀粉酶的作用和胎萌发生的关系进行研究。结果表明：大豆发芽指数从满粒期到始熟期迅速上升，完熟期前达到最高。发芽力与种子干重呈极显著正相关。β-淀粉酶活性随种子发育和干物质的积累而增加，随种子萌动而下降，其活性与不易胎萌品种的发芽率和发芽指数呈正相关，与易胎萌品种呈负相关。4个易胎萌的品种中，95-1和9701胎萌于满粒期，发芽率达60%以上；华春18和矮脚早于始熟期胎萌，发芽率超过80%。始熟期后，发生胎萌的种子内β-淀粉酶活性有所下降。发生胎萌的大豆种子其干物质量和发芽率大幅度下降。
Abstract:
?The objectives were to research development characteristics of seven spring soybean varieties,and the role of β-amylase during seed development,as well as the relationship between precocious germination and β-amylase activity.The results showed that the germination index of soybean seeds increased rapidly from full seedfilling to beginning maturity,and maximized at full maturity.The germination ability significant positively correlat with seeds dry weight.β-amylase activity of soybean increased with seed development and dry matter accumulation,but decreased with seed germination and composition consuming.β-amylase activity also decreased after precocious germination,the correlation between soybean β-amylase activity and germination percentage and index was positive in varieties tolerant to precocious germination,such as Zhechun 3,Ji23 and Ji24,but negative in the susceptible ones,such as 95-1,9701,Huachun 18 and Aijiaozao.The four varieties susceptible to precocious germination could be grouped into two categories,one included 95-1 and 9701,the other included Hechun 18 and Aijiaozao.Precocious germination of the former and the latter varieties occurred during full seedfilling and beginning maturity,and the germination percentage was higher than 60% and 80%,respectively.After beginning maturity,the β-amylase activity of soybean would decrease in the precocious germinated seeds.The study also suggested that precocious germinated seed caused the decrease of dry weight and germination percentage of harvesting seeds.

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备注/Memo

?浙江省重大科技专项（2012C12902）。

更新日期/Last Update: 2014-02-28