In this article we will discuss about:- 1. Introduction to Tobacco Mosaic Virus 2. Symptoms of Tobacco Mosaic Virus 3. Causal Organism 4. Disease Cycle 5. Control. Contents: Introduction to Tobacco Mosaic Virus Symptoms of Tobacco Mosaic Virus Causal Organism of Tobacco Mosaic Virus Disease Cycle of Tobacco Mosaic Virus Control of Tobacco Mosaic Virus 1. Introduction to Tobacco Mosaic [...]
The Protolepidodendridae comprising of the single order Protolepidodendrales consist of Palaeozoic fossils extending from the Silurian to the Devonian. They are usually placed within a single family Protolepidodendraceae which may be rather artificial as the details of most of the genera are not known. The sporophytes were herbaceous with the branches densely covered by microphyllous, eligulate leaves. Sporophylls were dispersed [...]
In this article we will discuss about the life cycle of lycopodium, explained with the help of suitable diagrams. Lycopodium is a large genus with about 180 species having world-wide distribution in tropical to temperate regions. They are herbaceous, terrestrial plants or erect to pendent epiphytes. The stems are densely covered with microphylls and are protostelic. The genus is [...]