Plant PropagationPlant Propagation

Chapter 5Chapter 5

Learning TargetsLearning Targets

I can identify various 2 types of Plant I can identify various 2 types of Plant Propagation?Propagation?

I can identify 2 and explain ways of I can identify 2 and explain ways of seeding?seeding?

Plant Propagation Plant Propagation

Reproduction of new Reproduction of new plants from seeds or plants from seeds or vegetative parts of vegetative parts of plants.plants.

Sexual PropagationSexual Propagation

Reproduction of Reproduction of plants with the use plants with the use of seeds.of seeds.

SeedlingsSeedlings

Plants grown from Plants grown from seeds.seeds.

Seed ProductionSeed Production

Located in North Located in North PacificPacific

Dry Climates Dry Climates Less DiseaseLess Disease

Harvesting and Storing Harvesting and Storing SeedsSeeds

Seed harvested to Seed harvested to soon or to late will soon or to late will reduce reduce germination.germination.

Harvesting Seed Harvesting Seed TechniquesTechniques

Mechanical Mechanical EquipmentEquipment

Harvesting Seed Harvesting Seed TechniquesTechniques

Hand HarvestingHand Harvesting

Cleaning SeedsCleaning Seeds

To prepare seeds To prepare seeds for the following for the following years crop. years crop.

Cleaning SeedsCleaning Seeds

Hand Cleaning Hand Cleaning with water.with water.

Cleaning SeedsCleaning Seeds

Mechanical Mechanical CleaningCleaning

Storing SeedsStoring Seeds

Store in a Cool Store in a Cool Dry Place.Dry Place.

Glass JarGlass Jar Plastic BagPlastic Bag Try and use all Try and use all

seed the following seed the following year.year.

Testing and Labeling Testing and Labeling of Seedsof Seeds

Best seed saves Best seed saves time and money.time and money.

State Law State Law Regulates Regulates shipment of sales shipment of sales of seed.of seed.

Seed Label Tag Seed Label Tag InformationInformation

Trueness of nameTrueness of name OriginOrigin Germination %Germination % Pure Seed %Pure Seed % Weed Seeds %Weed Seeds % Inert Materials %Inert Materials %

Percent GerminationPercent Germination

% of seeds that % of seeds that will sprout and will sprout and grow.grow.

Percent Germination TestPercent Germination Test

Place seeds on Place seeds on towel. 100 seedstowel. 100 seeds

Keep moist Keep moist Keep at 85 Deg.Keep at 85 Deg. Count number of Count number of

seeds that sprout.seeds that sprout. 80 out of 100 80 out of 100

Germinate = 80%Germinate = 80%

Direct SeedingDirect Seeding

Seeds are planted Seeds are planted directly into the directly into the soil.soil.

Plants easily Plants easily germinated.germinated.

Direct Seeding ExamplesDirect Seeding Examples

FlowersFlowers VegetablesVegetables Lawn SeedLawn Seed

Success of Direct Seeding Success of Direct Seeding 5-Factors5-Factors

Site SelectionSite Selection Seedbed Seedbed

PreparationPreparation Planting DatePlanting Date Planting Depth Planting Depth

and Spaceand Space MoistureMoisture

Indirect SeedingIndirect Seeding

Seeds that are Seeds that are planted in planted in greenhouses.greenhouses.

Planted in Flats or Planted in Flats or ContainersContainers

Seed Coat DormancySeed Coat Dormancy

The seed coat will The seed coat will not allow moisture not allow moisture to the seed.to the seed.

ScarificationScarification

Seed coat is Seed coat is broken or broken or softened.softened.

Embryo DormancyEmbryo Dormancy

Seeds must be Seeds must be cooled in soil at cooled in soil at 32-50 deg.32-50 deg.

StratificationStratification

Seeds must be Seeds must be kept cool for a kept cool for a certain period of certain period of time.time.

Germination MediaGermination Media

Plastic ContainersPlastic Containers Peat PotsPeat Pots Needs proper Needs proper

drainage and drainage and aerationaeration

Seed FlatsSeed Flats

Soil needs to be Soil needs to be level.level.

Water soil and Water soil and allow to drain.allow to drain.

Planting in RowsPlanting in Rows

Advantages:Advantages: Easy Easy

TransplantingTransplanting Reduced chance Reduced chance

of diseaseof disease DisadvantagesDisadvantages Takes more spaceTakes more space

Broadcasting SeedsBroadcasting Seeds

Adv:Adv: Easy to doEasy to do Less ExpenseLess Expense Disadvantage:Disadvantage: Harder to observeHarder to observe Less chance of Less chance of

germinationgermination

Mechanical SeedingMechanical Seeding

More expensiveMore expensive More accurate More accurate

seeding rateseeding rate

Asexual PropagationAsexual Propagation

Reproduction of Reproduction of new plants from new plants from the stem, leaves, the stem, leaves, or roots of a or roots of a parent plant.parent plant.

Clone PlantClone Plant

Stem CuttingsStem Cuttings

Leaf CuttingsLeaf Cuttings

Root CuttingsRoot Cuttings