Microsporogenesis is simultaneous in the early‐divergent grass Streptochaeta, but successive in the closest grass relative, Ecdeiocolea

MDGÇ Sajo, CA Furness, PJ Rudall - Grana, 2009 - Taylor & Francis
Simultaneous microsporogenesis is described for the first time in a grass, Streptochaeta
spicata Schrad., a tropical Brazilian species that belongs in the early‐divergent subfamily …

[HTML][HTML] Microsporogenesis variation in Codiaeum producing inaperturate pollen grain

B Albert, PH Gouyon… - Comptes …, 2009 - comptes-rendus.academie-sciences …
A study of microsporogenesis (the earliest stage of pollen ontogeny) was undertaken in
seven cultivars of Codiaeum variegatum var. pictum, a eudicot species that produces …

Release of developmental constraints on tetrad shape is confirmed in inaperturate pollen of Potamogeton

ELP Nunes, C Bona, MCC Moço, AI Coan - Annals of botany, 2009 - academic.oup.com
Abstract Background and Aims Microsporogenesis in monocots is often characterized by
successive cytokinesis with centrifugal cell plate formation. Pollen grains in monocots are …

Ultrastructural study of programmed cell death of tapetum in Panax ginseng

BK Jeong - 생명과학회지, 2009 - dbpia.co.kr
Tapetum is the tissue in which nutrients are supplied to the developing microspore in
angiosperm anther. At tetrad stage of microspore, the tapetal cells show maximum …