[1]程颖颖,赵晋铭,盖钧镒,等.大豆秸秆粗纤维含量的测定及摘荚对其饲用品质的影响[J].大豆科学,2008,27(05):773-776.[doi:10.11861/j.issn.1000-9841.2008.05.0773]
　CHENG Ying-ying,ZHAO Jin-ming,GAI Jun-yi,et al.Testing Method for Crude Fiber Content of Soybean Straw and Effect of Picking-Pod on Its Feeding Quality[J].Soybean Science,2008,27(05):773-776.[doi:10.11861/j.issn.1000-9841.2008.05.0773]
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大豆秸秆粗纤维含量的测定及摘荚对其饲用品质的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第27卷 期数: 2008年05期 页码: 773-776 栏目: 出版日期: 2008-10-25
Title:
Testing Method for Crude Fiber Content of Soybean Straw and Effect of Picking-Pod on Its Feeding Quality
文章编号:
1000-9841(2008)05-0773-04
作者:
程颖颖; 赵晋铭; 盖钧镒; 邢邯
南京农业大学农学院，国家大豆改良中心，作物遗传与种质创新国家重点实验室，江苏 南京 210095
Author(s):
CHENG Ying-ying; ZHAO Jin-ming; GAI Jun-yi; XING Han
Soybean Research Institute of Nanjing Agricultural University，National Center for Soybean Improvement,National Key laboratory of Crop Genetics and Germplasm Enhancement，Nanjing 210095，Jiangsu，China
关键词:
大豆; 秸秆品质; 粗纤维; 抑制生殖生长
Keywords:
Soybean; Straw quality; Crude fiber; Restraining reproductive growth
分类号:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.05.0773
文献标志码:
A
摘要:
大豆秸秆饲料利用率低，原因主要是其粗纤维含量高，粗蛋白含量低。提高作物秸秆饲用品质的农艺措施之一为抑制植株的生殖生长。在饲料粗纤维测定国家标准（GB/T 6434-94）的基础上，使用FOSS纤维测定仪1020，获得大豆秸秆粗纤维含量的测定方法。结果表明：参考国家标准测定大豆秸秆粗纤维含量需要调整3个参数，经调整的参数为：粉碎细度40目，样品称样量0.6~0.7 g，酸碱热浸提时间60 min。利用此方法测定了逐步抑制生殖生长后10组大豆品系秸秆粗纤维含量的变化，同时测定了相应的粗蛋白含量，结果表明：从鼓粒初期开始，随摘荚处理的时间逐步推后，大豆秸秆中粗纤维含量总体呈现上升趋势；粗蛋白含量总体呈现下降趋势。处理后，秸秆粗纤维含量基本低于对照，粗蛋白含量基本高于对照，在一定程度上提高大豆秸秆的饲用品质。
Abstract:
Resources of soybean straw is rich in our country，but the utilization rate for feed is just about 20 percentage.At home and abroad，less study focused on exploitation and utilization of soybean straw.High fiber content and low protein content of soybean straw are the main causes of low utilization rate for feed.Restraining reproductive growth is one of the agronomic measures to improve straw quality for feeding.At first，based on the national standard (GB/T 6434-94) of testing for crude fiber content of feed,this study obtained the testing method of crude fiber content of soybean straw,using FOSS fibertec 1020.The suitable smash size of soybean straw for crude fiber determination was 40 mesh ，sampling weight needs to adjust to 0.6-0.7 g ，and the full acid-base thermal extraction time is 60 min.Then use the obtained method to test the crude fiber content of the soybean straw of 10 strains，after gradually restraining their reproductive growth，and the corresponding crude protein content were determined by Micro-Kjeldahl method.From initial pod-filling stage,with the gradually delayed time of picking-pod to restrain reproductive growth of soybean plants，the crude fiber content of soybean straw showed a increasing trend，and the crude protein content showed a downward trend，generally.After treatment，the crude fiber content of the straw were almost lower than control，the crude protein content of the straw were almost higher than control.Results suggest that picking-pod at reproductive growth stage could improve the feeding quality of soybean straw.

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备注/Memo

基金项目：农业部行业专项(nycytx07-004)；长江学者和创新团队发展计划资助项目(IRT0432)。

作者简介：程颖颖（1982-），女，硕士研究生，研究方向为作物遗传育种。
通讯作者：邢邯，教授，博士生导师。E-mail:hanx@njau.edu.cn。

更新日期/Last Update: 2014-10-06