Plant diseases, pests and weeds in Denmark 1992: 109th annual report

bacteria biological control cereal crops champignon computer software control de enfermedades control de insectos control de plagas crops cultivos cultivos de cereales danemark denmark dinamarca disease control enfermedades de las plantas escarda fongicide fungi fungicidas fungicides herbicidas herbicide herbicides hongos insect control insecta logiciel lutte antiravageur lutte biologique maladie des plantes pest control pesticide pesticides pests of plants plagas de plantas plaguicidas plant diseases plante de culture programas de ordenador projet de recherche ravageur des plantes research projects spraying toxicologia toxicologie toxicology virus viruses weed control