TY - GEN AU - ZHENG, Si-Jun AU - ED - , , , TI - Towards onions and shallots (Allium cepa L.) resistant to beet armyworm (Spodoptera exigua Hübner) by transgenesis and conventional breeding SN - 90-5808-296-2 CY - Wageningen KW - OIGNON KW - ECHALOTTE KW - ALLIUM CEPA KW - SPODOPTERA ESCIGUA KW - RESISTANCE AUX ORGANISMES NUISIBLES KW - Production végétale N1 - Ph. D ER -