The article throws light upon the top five groups of roses. The groups are: 1. Hybrid Tea’s (H.T.) 2. Floribundas 3. Climbers 4. Miniature Roses 5. Shrub Roses. Group # 1. Hybrid Tea's (H.T.): As the name indicates, the varieties of this group have been obtained by crossing between hybrid perpetuals and Tea roses of China. The first variety 'La [...]
The following points highlight the two main groups of slow virus disease. The groups are: 1. Animal Infection 2. Human Infection. Slow Virus Disease: Group # 1. Animal Infection: a. Visna: It is caused by viruses which are classified under the family lendviridae (See AIDS) as retro viruses and also cause a demyelinating disease in sheep with incubadon period of [...]
The following points highlight the top two groups of Mycoses (Diseases caused by Fungi). The groups are: 1. Cutaneous Mycoses 2. Systemic Mycoses. Group # 1. Cutaneous Mycoses: Fungi penetrate the skin, hair and nails and grow as branching filaments or hyphae. Only the dead outer layer of these tissues is invaded; whereas the deeper or living layers cannot support [...]