Learn about the comparison among P. Graminis, P. Recondita and P. Striiformis. Comparison # P. Graminis: 1. Causes black rust of wheat attacking the stems most severely. 2. Generally appears in March in Northern India and the last week of November in South India 3. Uredosori appear on leaves, stems and ears. 4. Uredopustules are red or brown in colour, [...]
Learn the comparison between virusoids and satellites. In 1981 for the first time J.W. Randles and coworkers discovered the virusoids. These are the small circular RNAs which are similar to viroids but they are always linked with larger molecules of the viral RNA. Robertson (1983) have reported that virusoids are essential for replication of the large RNA and, therefore, form [...]
A comparison of the course of natural infection of P.vivax and P. falciparum in man: Comparison # P. Vivax: 1. Pre-erythrocytic schizogony: It consists of one cycle, lasts 7-8 days. Number of merozoites produced by each schizont is about 12,000. 2. Erythrocytic schizogony: Duration of erythrocytic schizogony is about 48 hours. Appearance of parasites in the peripheral blood on 12th [...]