Descriptor: B/R Line Restorer A2 (RESTORER_A2)



 
Definition:
Accessions crossed to various male-sterile (A-lines) lines in order to test their ability to restore fertility in F1 hybrids within a particular cytoplasmic system. A2 restorer.
Crop:
SORGHUM
Category:
Molecular descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
2
Responsible Site:
Plant Genetic Resources Conservation Unit (S9)  (S9)


Studies or environments

Distribution of Values for B/R Line Restorer A2 (RESTORER_A2)

CodeDefinitionNumber of Accessions
BF1 progeny are all male sterile, the parent line is a maintainer (B-line)136
PRF1 progeny have between 50-80% seed set, the parent line is a partial fertility restorer (PR-line)153
RF1 progeny are all male fertile, the parent line is a restorer (R-line)110
UUnidentified186