Descriptor: B/R Line Restorer A1 (RESTORER_A1)



 
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. A1 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)

Distribution of Values for B/R Line Restorer A1 (RESTORER_A1)

CodeDefinitionNumber of Accessions
BF1 progeny are all male sterile, the parent line is a maintainer (B-line)67
PF1 progeny fall in between PB and PR in scale5
PBF1 progeny have between 1-10% seed set, the parent line is a partial maintainer (PB-line)14
PRF1 progeny have between 50-80% seed set, the parent line is a partial fertility restorer (PR-line)27
RF1 progeny are all male fertile, the parent line is a restorer (R-line)345
UUnidentified200