Tag Archives | Pollen and Spore Walls

Exince in Pollen and Spore Walls | Plants

In this article we will discuss about the composition and importance of exince in pollen and spore walls. Composition of Exine: Exine is mainly composed of sporopollenin. Apart from sporopollenin glycoproteins are present in the chambers formed by bacula in tectate pollen. It is important in pollen-stigma interaction. The presence of glycocalyces (sing, glycocalyx) is reported from exine. Glycocalyx forms [...]

By |2016-12-12T06:55:55+00:00December 12, 2016|Plant Anatomy|Comments Off on Exince in Pollen and Spore Walls | Plants

Size of Pollen and Spore Walls | Plants

In this article we will discuss about the size of pollen and spore walls. Size: There exist much variations in sizes of pollen and spores. The size may be 5 µ × 2.4 µ as observed in pollen of forget-me-not (Myosotis) or as high as 200 µ or more as is noted in certain genera of Cucurbitaceae and Nyctaginaceae etc. [...]

By |2016-12-12T06:55:55+00:00December 12, 2016|Pollen and Spore Walls|Comments Off on Size of Pollen and Spore Walls | Plants
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