Here are links to 3 articles which provide a comprehensive review on how to grow and care for roses.
1- Cultural practices and weed control
Topics covered include cultivar selection, irrigation, fertilization, pruning, and weed management.
2- Insects and mite pests and beneficials
This overview of the pests that can bother your roses covers common insect and mite pests and how to control them, as well as natual enemies of these pests
3- Diseases and abiotic (environmental) disorders
This overview covers diseases and disorders of leaves and shoots, flowers and buds, and canes, and explains control methods.
4- There is also a guide available for purchase through the UC ANR Catalog of publications called Healthy Roses which provides information on identifying problems and appropriate actions to take.