Authors : C.A.Nikhade
Page Nos : 88-94
Description :
The paper deals with the embryological investigations on Aristida adescensionis. The specimen submitted in Botany department of RTM Nagpur university (Voucher specimen: N-1). The development of microsporogenesis and male gametophyte described in details. The anther wall is four layered, typical in the Poaceae. The papillose epidermis, binucleate tapetum cell are characteristics. The fibrous endothecium restricted to stomium region at mature stage. Meiosis I & Meisosis II normal resulting in isobilateral microspere tetrads. At maturity the pollen grains are three celled.Some Pollen grain are non-viable due to persistent tapetum may lead to the degeneration of PMCs.
