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当前位置: 首页 > 文章 > 模拟放牧强度下割草地鸭茅可溶性糖含量的季节性变化 草业科学 2010,27 (4) 143-147
Position: Home > Articles > Seasonal changes of soluble sugar contents of Dactylis glomerata in mowing pasture under different intensities of simulating grazing Pratacultural Science 2010,27 (4) 143-147

模拟放牧强度下割草地鸭茅可溶性糖含量的季节性变化

作  者：
张荣华;王万林;安沙舟;苏清荷;李海
单  位：
新疆农业大学草业与环境科学学院;新疆昭苏马场草原站;新疆维吾尔自治区畜牧厅外资项目执行办公室
关键词：
割草地;鸭茅;放牧强度;可溶性糖
摘  要：
通过在新疆昭苏马场设置不同模拟放牧强度,研究了不同放牧强度下割草地鸭茅Dactylis glomerata叶片和根部可溶性糖含量的季节变化,结果显示:鸭茅叶片可溶性糖在打草前呈上升趋势,返青后叶片可溶性糖含量较高,进入抽穗期后其含量降低。生长季前期根的可溶性糖含量差异不大(P>0.05),打草后其含量迅速变低,而后逐渐上升,9月下旬其含量减少。时间和放牧强度共同作用对鸭茅叶片和根部可溶性糖含量影响显著(P<0.01)。结果表明不同放牧强度对鸭茅叶片和根部可溶性糖含量有一定的影响,由于时间和气候变化的原因,其变化没有呈现一定的规律。
译  名：
Seasonal changes of soluble sugar contents of Dactylis glomerata in mowing pasture under different intensities of simulating grazing
作  者：
ZHANG Rong-hua1,WANG Wan-lin2,AN Sha-zhou1,SU Qing-he1,LI Hai3(1.College of Prataculturaal and Environmental Sciences,Xinjiang Agricultural University,Key Laboratory of Grassland Resources and Ecology of Xinjiang,Xinjiang Urumqi 830052,China;2.Executive Office of Foreign Fund Projects of Xinjiang Animal Husbandry Department,Xinjiang Urumqi 830000,China;3.Grassland Station of Zhaosu Horse Farm,Xinjiang Zhaosu 834500,China)
关键词：
mowing grassland;Dactylis glomerata;grazing intensity;soluble sugar
摘  要：
The different simulatant grazing intensity were designed on Zhaosu Horse Farm to study the change of soluble sugar contents in roots and leaves of Dactylis glomerata in mowing pasture.The results showed that the soluble sugar content in leaf was increasing before the cutting.It was high after returning green but low after heading stage.The roots of soluble sugar contents on growth prophase was not significant(P>0.05).It was rapidly decreased after cutting,and then raising up until late September.The co-impacts of season and grazing intensity on the soluble sugar content were significant(P<0.01).The effect of the grazing intensity on the soluble sugar content was significant,but its affecting patter was not obvious due to season and climate.

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