Discribe the out breading divices the
Privant the autogamy.
Answers
Answer:
Explanation:
Plants have many mechanisms and devices that they employ to promote cross-pollination, these are called as outbreeding devices.
The outbreeding devices in angiosperm plants that encourage cross-pollination are:
1. Dicliny- Flowers are unisexual so that self-pollination is not possible. The plants may be monoecious, that is, bearing both male and female flowers (example: maize) or dioecious, that is, bearing male and female on different plants (example: Mulberry and papaya).
2. Prepotency: Pollen grains of another flower germinate more rapidly over the stigma than the pollen grains of the same flower (example apple and grape).
3. Self sterility: Pollen grains of a flower do not germinate on the stigma of the same flower due to the presence of the similar self-sterile genes.
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