Horticulture is a science of studying garden plants. Horticulture is an aesthetic science that deals with the important crops which are grown in the gardens e.g., vegetable crops in vegetable garden, fruit crops in fruit orchards.
Sericulture, or silk farming, is the rearing of silkworms for the production of silk.
Silviculture is the practice of controlling the establishment, growth, composition, health, and quality of forests to meet diverse needs and values.