PLEIOTROPIC EFFECTS OF THE GA-INSENSITIVE RHT DWARFING GENES IN WHEAT .1. EFFECTS ON DEVELOPMENT OF THE EAR, STEM AND LEAVES

被引：39

作者：

YOUSSEFIAN, S ^{[1
]}

KIRBY, EJM ^{[1
]}

GALE, MD ^{[1
]}

机构：

[1] CAMBRIDGE LAB,INST PLANT SCI RES,NORWICH NR4 7UH,ENGLAND

来源：

FIELD CROPS RESEARCH | 1992年 / 28卷 / 03期

关键词：

D O I：

10.1016/0378-4290(92)90039-C

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Analysis of near-isogenic lines carrying Rht1, Rht2 or Rht3 in the genetic background of spring and winter wheat varieties showed that these dwarfing genes have no effects on the number of organs, or on the timing of developmental events. The characters studied included leaf and spikelet primordium initiation, leaf emergence and stem internode extension. The conclusion is reached that the genes do not directly affect developmental events, and that their effects on grain numbers and yield must be the result of an altered pattern of growth.

引用

页码：179 / 190

页数：12

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