Propagation And Asexual Reprodution and sexual Flashcards
Wha does propagation mean
Propagation is the term used to describe the production of more
Plants
What is sexual Reprodution
It involves gametes(sex cells) and fertilisation this method produces new varieties of offspring
Give examples of different ways which plants can be artificially propagated
Cuttings and layerings
Where are the main growing points in a plant
The main growing points are buds (shoot tips) and root tips
How do you reduce water loss from a plant
Remove lower leaves
Advantages of heat during propagation
Roots are encouraged to grow quicker and young plants are protected during winter
Disadvantages of heat during propagation
Leaves lose more water grey mould spread quicker and heating uses energy
Examples of different natural plant propagation
Bulbs tubers and runners
Types of bulbs and how it works
Daffodils and crocuses and they they appear to die however under the ground the bulb is growing another bulb which is attached to parent bulb
Types of tubers and how it works
Potatoes and dahlias it carries out a lot of photosynthesis producing a lot a sugar sugar is stored as starch under the ground in swollen parts called tubers
Types of runners and how they work
Strawberry plants and spider plants produce long stems called runners and the little plants and the end called
Plantlets grow
How do micro - organisms grow
They can also reproduce using asexual Reprodution very rapidly
