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Transcript
Plant Propagation Chapter 5 Learning Targets I can identify various 2 types of Plant Propagation? I can identify 2 and explain ways of seeding? Plant Propagation Reproduction of new plants from seeds or vegetative parts of plants. Sexual Propagation Reproduction of plants with the use of seeds. Seedlings Plants grown from seeds. Seed Production Located in North Pacific Dry Climates Less Disease Harvesting and Storing Seeds Seed harvested to soon or to late will reduce germination. Harvesting Seed Techniques Mechanical Equipment Harvesting Seed Techniques Hand Harvesting Cleaning Seeds To prepare seeds for the following years crop. Cleaning Seeds Hand Cleaning with water. Cleaning Seeds Mechanical Cleaning Storing Seeds Store in a Cool Dry Place. Glass Jar Plastic Bag Try and use all seed the following year. Testing and Labeling of Seeds Best seed saves time and money. State Law Regulates shipment of sales of seed. Seed Label Tag Information Trueness of name Origin Germination % Pure Seed % Weed Seeds % Inert Materials % Percent Germination % of seeds that will sprout and grow. Percent Germination Test Place seeds on towel. 100 seeds Keep moist Keep at 85 Deg. Count number of seeds that sprout. 80 out of 100 Germinate = 80% Direct Seeding Seeds are planted directly into the soil. Plants easily germinated. Direct Seeding Examples Flowers Vegetables Lawn Seed Success of Direct Seeding 5-Factors Site Selection Seedbed Preparation Planting Date Planting Depth and Space Moisture Indirect Seeding Seeds that are planted in greenhouses. Planted in Flats or Containers Seed Coat Dormancy The seed coat will not allow moisture to the seed. Scarification Seed coat is broken or softened. Embryo Dormancy Seeds must be cooled in soil at 32-50 deg. Stratification Seeds must be kept cool for a certain period of time. Germination Media Plastic Containers Peat Pots Needs proper drainage and aeration Seed Flats Soil needs to be level. Water soil and allow to drain. Planting in Rows Advantages: Easy Transplanting Reduced chance of disease Disadvantages Takes more space Broadcasting Seeds Adv: Easy to do Less Expense Disadvantage: Harder to observe Less chance of germination Mechanical Seeding More expensive More accurate seeding rate Asexual Propagation Reproduction of new plants from the stem, leaves, or roots of a parent plant. Clone Plant Stem Cuttings Leaf Cuttings Root Cuttings