Final answer:
Horticulturists manage horticulture farms, develop quality planting material, and provide advice on plant care.
Step-by-step explanation:
The occupation that manages the horticulture farm is Horticulturist. They are responsible for applying their knowledge of genetics and plant physiology to improve crops. The occupation that develops quality planting material is Horticulturist as well. They can manipulate plants to increase leaf, flower, or fruit production by understanding how environmental factors affect plant growth and development. The occupation that advises and provides guidance on plant care is also Horticulturist. They work in private and governmental laboratories, greenhouses, botanical gardens, and in the production or research fields.