TY  - JA
AU  - Sotomayor Rios,A.
TI  - Performance of twelve corn hybrids and selections in three consecutive crops on the same site in the same year [Varieties, yields, Bipolaris maydis,         Pratylenchus zeae]
U1  - 80-515328 
PY  - 1979///
KW  - Injurious nematodes
KW  - Maize
KW  - AGROVOC
KW  - Pests of plants
KW  - Zea mays
KW  - Plant breeding
N1  - ill. 12 ref. Summary (Es)
T2  - Journal of Agriculture of the University of Puerto Rico
ER  -