TY  - BK
AU  - Yixiang,H.
TI  - The occurrence of major diseases and their disease-resistance breeding in maize (Zea mays L.) in Sichuan Province
PY  - 1993///
CY  - Sichuan (China)
PB  - Institute of Plant Breeding and Cultivation, 
KW  - China
KW  - Disease resistance
KW  - AGROVOC
KW  - Helminthosporium
KW  - Highlands
KW  - Plant diseases
KW  - Site factors
KW  - Zea mays
KW  - Plant breeding
ER  -