二色胡枝子种子硬实特性的研究  

A Study on Hardseededness of Lespedeza bicolor Turcz

作　　者：乌仁其木格[1] 

机构地区：[1]内蒙古农牧学院农学系

出　　处：《内蒙古农牧学院学报》1996年第1期35-40,共6页

基　　金：内蒙古自然科学基金

摘　　要：二色胡枝子种子硬实性与种子形态差异有明显相关。黑色种子粒级大，千粒重高，种子硬实率达６０．０％，褐色种子粒级小，千粒重低，种子硬实率为２５．３９％。采用多种方法解除硬实效果表明，９０℃热水浸泡种子３０ｍｉｎ左右能起到解除硬实，提高发芽率的效果，硬实解除后黑色种子发芽率（９５．０％）高于褐色种子发芽率（８５．０％），初步认为，种子颜色差异是种子成熟度不同造成的，或者是色素在种皮中的堆积度不同造成的。There are differences in the morphological characters and inhardseedednests of Lespedeza bicolor Turcz seeds.Seeds of black testa i1re big. Hard seedpercentage is 60.0%;Seeds of brown testa are small.Hard seed percentage is 25.3%.Several methods of breaking hard seeds were tested and the results showed that soakingseeds at 90℃ hot water for 30 minuts can break hard seed and increase germinationpercentage.After breaking hard seeds,the germination percent age(95.0%)of seedswith black testa was higher than that of seeds with blown testa(85.0%).The trialshowed that the differences in seed maturity brought abu the characters of testa,

关 键 词：胡枝子 种子 硬实特性 胡枝子 

分 类 号：S541.5[农业科学—作物学]