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当前位置: 首页 > 文章 > 小麦对赖氨酸加苏氨酸抗性的观察与筛选 湖北农业科学 2016 (5) 1101-1104
Position: Home > Articles > Resistance Observation and Screening of Lysine Plus Threonine in Wheat Hubei Agricultural Sciences 2016 (5) 1101-1104

小麦对赖氨酸加苏氨酸抗性的观察与筛选

作  者：
姬玉梅;徐小慧
单  位：
鹤壁职业技术学院;山城区食品药品监察大队
关键词：
小麦(Triticum aestivum L.);赖氨酸;苏氨酸;抗性;筛选
摘  要：
为了筛选高抗赖氨酸加苏氨酸的小麦(Triticum aestivum L.)品种,利用高赖氨酸含量基因型能抗较高浓度外源氨基酸胁迫这一原理,设置不同赖氨酸与苏氨酸(L+T)浓度的胁迫培养基,对40个小麦品种的胚进行培养处理,观察各品种植株的生长反应。结果表明,普通小麦品种在L+T=(1+1)mmol/L的培养基上生长较正常,无抑制作用或仅有轻微抑制;在L+T=(2+2)mmol/L的培养基上多数品种生长受到严重抑制。硬粒小麦和四川来源小麦品种E277、E93、E100、E229、川50等对赖氨酸与苏氨酸共同胁迫有较强的抗性,河南地区小麦品种抗性普遍较弱。抗性强和抗性弱的品种间抗性差异较小,抗性较强的品种比例也较小。
译  名：
Resistance Observation and Screening of Lysine Plus Threonine in Wheat
作  者：
JI Yu-mei;XU Xiao-hui;Hebi Vocational and Technical College;Shanchengqu Food and Drug Supervision Brigade;
关键词：
wheat(Triticum aestivum L.);;lysine;;threonine;;resistance;;screening
摘  要：
To screen highly resistant varieties of wheat to lysine plus threonine, according to the principle that the varieties with high lysine content genotype has high resistance to exogenous amino acids, embryo of 40 varieties of wheat was cultured using the stress medium with different lysine and threonine(L+T) concentration, and plant growth and reaction was also observed. The results showed that the common varieties grew normal and had no inhibition or a slight suppression in the culture medium with L+T=(1+1) mmol / L; however, the most varieties were serious inhibited in the culture medium with L+T=(2+2)mmol / L. Tritium durum and varieties form Sichuan, such as E277, E93, E100, E229, Chuan 50, had high resistance to lysine plus threonine, while varieties form Henan generally had weak resistance to lysine plus threonine. Moreover, the difference between varieties that had strong resistance or weak resistance to lysine plus threonine was small, and the ratio of the former was also small.

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