Apomixis and Polyembryony Flashcards
apomixis
produce seeds without fertilization
observed in which plants
asteraceae and grasses
fruit formation without fertilization is called
parthenocarpy
how does apomixis takes place
the diploid egg cell does not undergo reduction division and does not get fertilized
Polyembryony
seeds containing more than one embryo is called polyembryony.
which fruits exhibit polyembryony
orange mango
how does polyembryony occur
many nucellar cells divide and protrude into the embryo sac and develop int the embryo. hence the ovule contains more than embryo
how does apomixis help farmers
if hybrid crops are converted into apomicts, they will not segregate their characters and the farmers do not have to buy the expensive crops every year.
another name for apomixis
agamospermy