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Chapter 25

Chapter 25. Flowering Plants III. African Violet. Propagation leaf petiole cuttings leaf spotting Soils and fertilizer highly porous medium with good drainage Temperature warm temperatures. African Violet. Light natural light artificial light Problems cultural disorders diseases

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Chapter 25

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  1. Chapter 25 Flowering Plants III

  2. African Violet • Propagation • leaf petiole cuttings • leaf spotting • Soils and fertilizer • highly porous medium with good drainage • Temperature • warm temperatures

  3. African Violet • Light • natural light • artificial light • Problems • cultural disorders • diseases • insects

  4. Geraniums • Production from cuttings • stock plants • cultivars • soils and soilless media • methods of growing • propagation • production

  5. Geraniums • Problems • cultural disorders (edema) • diseases • insects

  6. Gloxina • Problems • cultural disorders • diseases • insects

  7. Hydrangea • Propagation ─ cuttings • Controlling flower color • blue flowers (pH 4.5 to 5.0) • pink flowers (pH 6.2 to 6.5) • Flower bud formation • forcing into bloom • timing forcing

  8. Hydrangea • Problems • cultural disorders • blindness • yellowing of new leaves • brown leaf margins • diseases • insects

  9. Kalanchoe • Propagation • terminal tip or leaf petiole cuttings • seed • fertilization • full light intensity • photoperiod

  10. Kalanchoe • Problems • cultural disorders (cupping and yellowing of foliage) • diseases • crown rot • basal stem rot • powdery mildew • insects

  11. Poinsettia • Cultivars • Stock plants • Propagation • direct rooting in finish pans • guidelines

  12. Poinsettia • Growing on regular program • panning • pinching • media • fertilization • fertilization at every watering • fertilization every week • special fertilization programs

  13. Poinsettia • Environmental control practices • temperature • photoperiod • light intensity • spacing • water • growth retardants

  14. Poinsettia • Preparation for market (Christmas season) • Problems • diseases • insects • other

  15. Primrose • Propagation • seed • fertilization • Problems • diseases (crown rot) • insects

  16. Roses • Forcing for Easter • handling upon receipt • preplant handling • potting soil • forcing the blooms

  17. Roses • Garden roses • soil • Problems • diseases (powdery mildew and black spot) • Insects (green peach aphid and mites) • Cultivars

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