The following points highlight the top three successive phases of seed transmission. The successive phases are: 1. Seed to Plant Transfer 2. Plant to Seed Transfer 3. Seed to Seed Transfer. Seed Transmission: Successive Phase # 1. Seed to Plant Transfer: Neergaard (1977) has classified seed to plant transmission of seed borne pathogens in to eight groups. (i) Intra-Embryal Infection [...]
The following points highlight the top three techniques for detection of fungal pathogens. The techniques are: 1. Examination of Seeds without Incubation 2. Incubation Method 3. Seedling Symptoms Test. Technique # 1. Examination of Seeds without Incubation: (i) Dry Seed Examination: Inspection of dry seed can be applied to detect seed- borne pathogen which when present in the seed may [...]
The following points highlight the top five techniques for detection of bacterial pathogens. The techniques are: 1. Visual Separation of Infected Seed 2. Phage Method 3. Serological Techniques 4. Growing on Test 5. Indicator Test. Technique # 1. Visual Separation of Infected Seed: Parker and Dean (1968) found that bean seeds infected with Pseudomonas phaseollcola did not show external symptoms [...]