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Inheritance of Field Reaction to Soil‐Borne Wheat Mosaic Virus 1
Author(s) -
Dubey S. N.,
Brown C. M.,
Hooker A. L.
Publication year - 1970
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1970.0011183x001000010034x
Subject(s) - biology , rosette (schizont appearance) , diallel cross , mosaic virus , mosaic , potyvirus , tobacco mosaic virus , allele , genetics , plant virus , virology , virus , botany , gene , history , archaeology , hybrid , immunology
A five‐parent incomplete winter wheat diallel cross was studied for inheritance of field reaction to Soil‐ Born Wheat Mosaic Virus (SBWMV). Resistance was found to be monogenic dominant over both susceptibility to mosaic and to mosaic‐rosette, and susceptibility to mosaic was, likewise, monogenic dominant over mosaic‐rosette susceptibility. The results were interpreted on the basis of the operation of a multiple allelic series consisting of three alleles, viz, (1) R mr which governs resistance to mosaic and mosaic‐rosette, (2) γ m which is recessive to R mr and conditions susceptibility to mosaic but is resistant to the rosette phase and (3) γ mr which is recessive to both R mr and γ m and is responsible for mosaic‐rosette susceptibility.