1. Impermeability of seed coat to water : due to seed coat structure, which is hard enough to restrict the entry of moisture into the ... Read more »
Causes of Seed dormancy
Saturday, 7 March 2015
Methods of breaking dormancy
In nature dormancy terminates when embryo gets suitable environment such as adequate moisture, aeration and temperature. The impermeab... Read more »
Seed Germination
Definition: Seed germination is the resumption of active growth of the embryo that results in the rupture of the seed coat and the eme... Read more »
Factors affecting seed germination
a. Water: Water is a basic requirement for germination. It is essential for enzyme activation, breakdown, translocation and use ... Read more »
Gaseous Exchange in Plants
In lower plants (and also protozoans) exchange of gases takes place through the general body surface as they are not highly modifie... Read more »
WASTE DISPOSAL
Waste refers to materials that are no longer needed. These materials are mostly as result of human activities . Waste disposal is the... Read more »
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