TY  - JA
AU  - Abdalla,M.M.F.
TI  - Reciprocal-cross differences and maize breeding, 2:  Magnitude of yield differences
SN  - 0044-3298
U1  - 75-044875 
PY  - 1974///
KW  - Maize
KW  - AGROVOC
KW  - Zea mays
KW  - Plant breeding
N1  - 4 tables; 18 ref. Summaries (De, En)
T2  - Zeitschrift fuer Pflanzenzuechtung
ER  -