TY  - BK
AU  - Lonnquist,J.H.
TI  - A suggested procedure to follow on the S1 breeding system for insect and disease resistance in maize
PY  - 1969///
CY  - Mexico, DF (Mexico)
PB  - CIMMYT, 
KW  - Disease resistance
KW  - AGROVOC
KW  - Insect control
KW  - Plant diseases
KW  - Selection
KW  - Zea mays
KW  - Plant breeding
ER  -