Seed Health Testing Unit
About 90% of all food crops in the world are propagated by seeds. They are also passive carriers of plant pathogens such as fungi, bacteria, viruses, and nematodes.
Infested seed is a major source of primary inoculums, and an important source of short and long distance disease dissemination. Seed borne diseases carry over the infection across seasons and cause poor stand, high production cost, low germination and low vigor. The seed borne pathogen not only affect the market value of the produce but also adversely after the nutritive valve, storability and production of toxic substances which is toxic for human being and animals. Therefore healthy and pathogen free seeds are required for cultivation.
Dissemination of seed borne disease in the country can be prevented in two ways. Thereare use of disease free seeds and free treatments to elimination pathogens. It is important to have seed health testing program in the country for identification of disease free seeds for cultivation. seed health testing program also important to provide quality seeds for farmers, minimize the spread of the plant diseases in the county contributing towards increasing the amount of food available for consumption, improved livelihood of farmers, access for better export market a with phytosanitory Certificate ultimately it will stronger the national economy.