Conditioning and Storing Cut Flowers and Greens

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Presentation transcript:

Conditioning and Storing Cut Flowers and Greens Chapter 5 Unit 5

Essential Questions What is the proper way to cut flowers? What are the causes of flower deterioration? What is the proper stem treatment for flowers?

Introduction Quality of the flowers will determine the amount of customers to the store. Chain of Life Program: Includes Growers, Shippers, Wholesalers , and Retail Florist. Developed by the Society of American Florist Developed a plan to lengthen the life of the flowers.

Common Reasons for Early Flower Deterioration Water and Refrigeration are common requirements for proper storage. (5) Reasons for flower damage Next 5 slides:

Low Water Absorption #1 Stems are blocked when they arrive at business. Blocked stems are caused by: Dull Shears. Stem Tubes or Xylem are blocked. Xylem: Carry water in the stem. Air, Bacteria, or Minerals in the water can block the stem.

Loss of Water #2 Transpiration: Loss of water through their leaves. Stomata: Tiny openings on the bottom side of the leaf.

Loss of Food #3 Plants that have been cut still are using sunlight to make food. Photosynthesis: Plant process to make food.

Disease #4 Botrytis: Fungus on the leaf. Brown spots on petals. Caused By: Dirty Cooler Petals get wet

Ethylene Gas #5 Natural gas found in flowers that slows growth. Caused By: 1. Dirty Cooler 2. Fruit in Cooler Petals cup upward (Sleepiness)

Water Quality and Flower Deterioration Hydration: Keeps cut flowers fresh. Hydration is improved by water quality by: Proper Ph. Or Total Dissolved Solids Ph: Scale of 0-14 (7=Neutral, Below 7=Acidic, Above 7=Alkaline) TDS: Measure of Salt and Minerals in the water.

Conditioning Flowers Conditioning: Treating flowers to extend flower life. Next 7 Slides

Unpack Flowers #1 Remove: Plastic Rubber Bands Check flowers for damage

Recut the Stems #2 Use sharp knife and cut stems under water. Cut stems on a slant. Succulent: Soft part of the stem.

Remove Lower Foliage #3 Remove foliage that are under water. Use hands to remove leaves.

Clean Containers and Cooler #4 Use hot water and bleach. Rinse containers 10% bleach solution to clean containers.

Use a Preservative #5 Place a warm preservative in the water before flowers are placed in the water. Temp: 100-110 deg. Provides a food source.

Allows flowers to absorb water #6 Cut flowers should stay in warm water preservative for 1-2 hours

Refrigerate #7 Average Temp: 36-40 Deg. Keep coolers: Clean regularly Good air flow

Antitranspirants Prevent browning of the petals and retard deterioration of the flower.