Written Test Floriculture CDE Questions And Answers

__________ buds are found at the base of a leaf petiole and next to the stem - Answer-Axillary 4 necessary growing mediums - Answer-Nutrients, oxygen, support, water A chemical additive used to prevent the growth of bacteria in vase water is called? - Answer-Biocide A circular design does not have - Answer-focal point A plant with a tunicate bulb is a - Answer-Tulip A solenoid valve is used in greenhouses: - Answer-As an electrical device used to control the flow of water in greenhouses Allelopathy - Answer-When a plant secretes a substance to inhibit the growth of another plant Aluminum can affect the color of what florist's flower? - Answer-Hydrangea An air embolism is - Answer-Where a bubble of air enters the xylem preventing water from reaching the flower An appropriate lightweight wire to use for corsage construction is? - Answer-#28 wire An area occupied by flowers, foliage, or other objects - Answer-floral design aphids - Answer-Small green insect with piercing mouth parts apical dominance - Answer-Terminal bud produces hormones that inhibit or prevent the growth of axiliary buds on the same shootArmature - Answer-To create framework to hold stems in place Baby's breath or aster are commonly referred as ________ flowers in floral arrangements - Answer-filler Benefits of shading a greenhouse - Answer-To keep the greenhouse temperatures lower, to reduce light intensity Bionomial classification of a plant requires a _____________ and _______________ for the name - Answer-genus and species epithet Boetrytis often presents itself on flowers as gray mold. This disease is caused by: - Answer-fungus Carotene - Answer-Pigment that produces orange-yellow flowers Characteristics of monocots - Answer-1) One cotyledon 2) Parallel veins 3) Scattered vascular tissue 4) Fibrous roots 5) Pollen grain with one opening 6) Floral organs in groups of three Chlorophyll is green because - Answer-it reflects green wavelengths of light Chrysanthemums, asters, daisies, and other flat-faced flowers are wired for corsages using which method? - Answer-Hook-Wiring Cuticle - Answer-Waxy coating on the outside of a leafCytokinins - Answer-Responsible for cell division and differentiation. Produced in the roots and transported by xylem Dermal - Answer-pertaining to the skin DIF - Answer-Calculated difference between the day temperature and night temperature in a greenhouse Dioecious - Answer-If a species has separate planes with each plant only having male or female flowers Emulsifiable concentrate - Answer-Must be mixed with water to apply Endosperm - Answer-tissue that provides nourishment to the developing embryo of flowering plants Essential elements for plant growth is when the soil pH is: - Answer-5.5 and 7.0