达乌里胡枝子牧草品质  

Forage Quality Assessment of Lespedeza davurica

作　　者：孙启忠[1] 玉柱[2] 赵淑芬 

机构地区：[1]中国农业科学院草原研究所,呼和浩特010010 [2]中国农业大学草地研究所,北京100094 [3]林西县草原工作站,内蒙古林西025250

出　　处：《牧草与饲料》2009年第3期38-39,56,共3页Journal of Forage & Feed

基　　金：现代农业产业技术体系建设专项资金;公益性行业（农业）科研专项经费项目（nyhyzx07-022）;“十一五”国家科技支撑项目（2006BAD16803）和2006BAD04A04;农业部“948”项目（2006-G38）资助.

摘　　要：达乌胡枝子分枝期和孕蕾期茎叶比分别为1：2．44和1：1．67，开花期茎叶花比为1：0．63：1．29，结实期茎叶果比为1：0．66：1．98；开花期蛋白质含量为11．66％-12．75％，粗纤维为34．26％-35．04％；叶中蛋白质含量为16．68％，明显高于茎中含量，粗纤维含量为22．98％，低于茎中含量，胡萝卜素仅存在于叶中，达到19．15mg／kg。The stem leaf ratio of branch stage and bud stage of Lespedeza davurica are 1 ： 2.44 and 1 ： 1.67 respectively, the stem-leaf-flower ratio of flower stage is 1 ： 0.63 ： 1.29, and the stem-leaf -fruit ratio of fruit stage is 1 ： 0.63 ： 1.98; CP content is 11.66% - 12.75% during flower stage, CF content is 34.26% - 35.04%; CP content of leaves is 16.68%, which is higher than that of stems. CF content of leaves is 22.98%, which is lower than that of stems, carotene is only remaining in leaves, which is up to 19.15 mg/kg.

关 键 词：达乌里胡枝子 品质 牧草 

分 类 号：S541.5[农业科学—作物学]