TY  - BOOK
AU  - Jones,Alfred
TI  - Theoretical segregation ratios of qualitatively inherited characters for hexaploid sweetpotato (Ipomoea batatas L.)
T2  - United States. Dept. of Agriculture. Technical bulletin
AV  - S21 .A72 no. 1368
U1  - 583/.79 
PY  - 1967///]
CY  - Washington]
PB  - Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Sweet potatoes
KW  - Genetics
KW  - Research
N1  - Bibliographical footnotes
ER  -