Question

explain three outbreeding devices​

Answer 1

HEY ❤️

  (i)  Pollen release and stigma receptivity is not synchronised.

  (ii)  Anther and stigma are placed at  different position


. (iii) Self-incompatibility. 

(iv)  Production of unisexual flower




Three outbreeding devices are :

  (i)  Dichogamy  : Stamens and carpels do not mature at the same time. Therefore stigma is not receptive at the time of pollen release or vice-versa.

  (ii)  Dicliny : The flowers are unisexual. 


(iii)  Herkogamy  : There is a physical barrier present between anther and stigma e.g. in calotropis or the anther and stigma are placed in different positions.Read more on Sarthaks.com - https://www.sarthaks.com/184252/explain-three-outbreeding-devices