In this article we will discuss about:- 1. Distribution of Sporopollenin 2. Chemistry of Sporopollenin 3. Production and Deposition 4. Functions. Distribution of Sporopollenin: It was first observed and named as “sporonin” by John (1814) and latter characterized by Berzelius (1830). Fossil green algae dating back to Devonian period have been shown to contain sporopollenin. […]
Sporopollenin: Distribution, Production and Functions
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Estimation of Pollen Viability and Vigour after Storage in Plants
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In this article we will discuss about the tests that have proven to determine the viability and vigour of pollen after storage in plants. I. Test for Pollen Viability: An assessment of pollen viability is imperative factor in the study of reproductive biology, pollen storage and hybridization. Thus there must be a quick and dependable […]
Layer of Pollen Grains | Palynology
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The pollen grains are covered with two concentric wall layers, the outer exine and the inner intine. The stratification of pollen wall is primarily based upon optical microscopy of whole as well as sectioned grains and upon staining reactions of the strata. Recently such stratification is complemented by the biochemical analysis of the various pollen […]
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