Orchid Plant Facts

History of Orchidology

Geographical Distribution and Ecology

• Distribution of Species and Genera
• South India - Climatic and Geographic factors
• Types of Orchid Population in South India
• Flowering in Orchids
• Distributional Frequency
• Conservation of Orchids
• Deforestation

Morphology of the Orchid

• Terrestrial Orchids
• Epiphytic Orchids
• Saprophytic Orchids
• Orchid Leaves
• Orchid Inflorescence
• Orchid Flower
• Floral Diagram

Life History of an Orchid

• Orchid Propagation
• Sexual Reproduction in Orchids
• Microsporogenesis
• Megasporogenesis
• Pollination in Orchids
• Fertilization in Orchids
• Orchid Embryogeny

Orchid Cytology and Phylogeny

• Techniques in Orchid Cytology
• Staining Procedure
• Variation of chromosome numbers and Speciation in Orchidaceae
• Basic chromosome number in Orchidaceae
• Evolutionary Trends in Orchidaceae
• Vegetative Habit
• Flower
• Pollinia
• Organisation of the Column
• Rostellum
• Floral Vascular Bundles
• Placentation
• Embryogeny
• Seeds

Hybridisation

• Artificial Hybridisation
• Breeding in Cattleyas
• Cymbidium Breeding
• Paphiopedilum Breeding
• Odontoglossum Breeding
• Breeding in Vanda
• Breeding in Dendrobium
• Breeding in Phalaenopsis

Inheritance

Seed Culture and Meristem Culture

• Pollination
• Preparation of Culture Media
• Vacin and Went Medium
• Chang's Medium
• Burgeff's N3f Medium
• Preparation of Culture Medium
• Sterilisation of the Seeds
• Flasking
• Immature Ovule Culture
• Germination and Development of the Seedling
• Flask Contaminants
• Transplanting of Seedlings
• Meristem Culture

Diseases and Pests

• Virus Diseases
• Symptoms
• Diagnosis
• Control
• Fungal and Bacterial Diseases
• Leaf Spot
• Pythium Black Rot
• Heart Rot
• Botrytis Flower Spot
• Orchid Wilt
• Root Rot
• Bacterial Bulb Rot
• Orchid Pests

Growing Orchids

• Heating and Cooling of the House
• Light in Orchid Cultivation
• Photoperiodic control of flowering
• Temperature
• Humidity
• Watering
• Medium
• Osmunda
• Tree fern fibre
• Bark
• Potting
• Manuring