Diseases caused by biotic factors. Cane and foliar diseases caused by fungi. Fruit and flower diseases caused by fungi. Rust diseases. Root and crown diseases caused by fungi. Diseases caused by bacteria. Diseases caused by viruses and viruslike agents. Aphid-transmitted disease…
Resistance to plant-parasitic nematodes:history, current use and fututre potential; Concepts and consequences of resistance; Root-knot nematodes: Meloidogyne species; Cyst nematodes: Globodera and Heterodera species; Ditylenchus species; Foliar nematodes: Aphelenchoides species;…
Ecological interactions in multispecies agroecosystems: concepts and rules. Locally derived knowledge resource management. Models of below-ground interactions: their validity, applicability and beneficiaries. The root architecture. Crop and tree root-system dynamics. Opportuniti…
Virus and MLO diseases; Bacterial diseases; Fungus diseases - foliage diseases; Fungus diseases - diseases of stem, leaf sheath and root; Fungus diseases - seedling diseases; Fungus diseases - diseases of grain and inflorescence; Diseases caused by nematodes; Physiological disea…
Enfermedades de la planta. Enfermedades causadas por virus. Enfermedades causadas por hongos. Enfermedades causadas por bacterias. Enfermedades causadas por nematodos. Patologia de la semila. Insectos da ninos. Insectos que atacan las plantulas. Insectos comedores del follaja. I…
