| 摘要: |
| 对柔软滨麦草及其杂交后代生物学特性及抗锈怀的关系进行了初步研究，结果认为，亲本的叶表皮毛密度和气孔密度与侵入前的抗锈性有极高的相关性，而其杂交后代无此种关系，表明亲本的物理抗锈因素没有传递给后代，其抗锈性由其他因素决定。 |
| 关键词: 柔软滨麦草 杂交后代 生物学特性 抗锈性 |
| DOI： |
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| 基金项目:国家自然科学基金资助项目(39670483) |
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| Resistance of Elymus mollis (Trin) Hara.to Puccinia striiformus f.sp.tritici |
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| Abstract: |
| The primary research of influence on resistance to Puccinia striiformus f.sp.tritici by the biological characters of Elymus mollis(Trin.) Hara.and their hybrids showed that the extremely low density of stoma on the low surface of Elymus mollis made the appressoria poorly formation,and high density of epidermal burrs remarkably affected the wet,the space obstacle and low wet on epiderm reduced spores deposition and germination,and made germ-tube impossible to locate on the stoma correctly and formed appressoria;but this phenomena were not observed on surface of their hybrids,it indicated that physical factors of resistance to yellow rust of wheat of Elymus mollis won't transmit to their hybrids,which inherit other resistance factors form their parents. |
| Key words: Elymus mollis (Trin.) Hara hybrids biological characters resistanc to Puccinia striiformus f.sp.tritici |
