Berry - development of seed, Biology

Berry - Development of Seed

In a berry much of the pericarp is fleshy or juicy. In tomato Lycopersicon esculentum even the placenta on which the seeds are borne is fleshy. The exocarp consists of an epidermis and 3 or 4 layers of collenchymatous cells. The epidermis is covered by a cuticle. Mesocarp consists of large, thin-wailed cells with abundant intercellular spaces. There is a large increase in cell volume in this zone of pericarp. With the development of ovules, after pollination, the parenchymatous tissue of the placenta grows around the funiculi. This parenchymatous tissue carries on proliferating further and envelops the seeds totally.

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Figure: Diagrammatic, representation of T.S. of Lycopersicon esculentum after fertilization

Posted Date: 1/24/2013 12:06:27 AM | Location : United States







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