PLANT BREEDING AGR 3204. Plant Reproduction System. Plant Reproduction System. The reproduction mechanism of a particular plant species or the way it reproduces determines its genetic characteristics the breeding approach. 1. Sexual Reproduction.
Plant Reproduction System
Example: lime, tomato and chilli
3. Stigma and anther protected by other parts of flower.
Male salak flower
Female salak flower
Anther and stigma from hemaphrodite flower or flower of monoecious plant mature at different times.
Stigma (female flower) matures before anther (male flower).
Example: Potato, cassava and cashew.
Protogyne: Potato flower
3. Dichogamy (cont.)
Anther (male flower) matures before stigma (female flower).
Example: Starfruit and rubber.
Pollens are unable to fertilize ovule (female gamete) of the same flower/plant due to genetic factor (self incompatibility gene)
Example: Potato, passion fruit and starfruit.
1. Identify flower formation system.
2. Isolate plants.
No fruit/seed cross pollinated
Fruit set/seed set self pollinated and possibly cross pollinated
To observe the effects of inbreeding.
Present cross pollinated.
Absent / minimal self pollinated.