首页|期刊导航|中国农业科学(英文版)|Relationship Between Several Biochemical Indexes and Resistance of Aegilops Species to Oat-Bird Cherry Aphids(Homoptera:Aphididae)
中国农业科学(英文版)2003，Vol.2Issue(9)：994-999,6.
Relationship Between Several Biochemical Indexes and Resistance of Aegilops Species to Oat-Bird Cherry Aphids(Homoptera:Aphididae)
Relationship Between Several Biochemical Indexes and Resistance of Aegilops Species to Oat-Bird Cherry Aphids(Homoptera:Aphididae)
摘要
Abstract
The biochemical mechanism of resistance of 9 Aegilops species including A.biuncialis,A.juvenalis, A.ovata, A.kotschyi var. varianilis, A.triaristata, A.tauschii, A.vavilovii, A.crassa and A.ventricosa in Triticeae to oat-bird cherry aphid (Rhopalosiphum padi) were reported for the first time. The results showed that the content of total phenols in seedling was not associated with resistance to this aphid. The level of DIMBOA was negatively related to intrinsic innate rate of increase (rm) of R. padi. Neither of soluable sugar nor total phenols in adult stage was associated with resistance level. However, concentrations of free proline and serine in leaf were positively related to rm of R. padi (rm =-0.0636+0.23xpro** ＋1.982xser*). The content of DIMBOA was high-negatively related to rm of R. padi (r=-0.819**). The low level of free proline and serine and high concentration of DIMBOA could be regarded as important elements for resistance of Aegilops species to R. padi.关键词
Aegilops/Resistance mechanism/Rhopalosiphum padiKey words
Aegilops/Resistance mechanism/Rhopalosiphum padi分类
农业科技引用本文复制引用
LI Qing,YE Hua-zhi,YANG Qun-fang,JIANG Su-rong..Relationship Between Several Biochemical Indexes and Resistance of Aegilops Species to Oat-Bird Cherry Aphids(Homoptera:Aphididae)[J].中国农业科学(英文版),2003,2(9):994-999,6.基金项目
This work was funded by Sichuan Science and Technology Department. We thank Mr.Tang Dezhi, Institute of Plant Protection, Gansu Academy of Agricultural Sciences for DIMBOA sample. （）
