1 Typical symptoms of viral disease. Cucumber virus disease may have different symptoms due to different pathogens, and when several viruses are mixed, symptoms are more complicated and difficult to argue. However, viral diseases have some common features after all. This is the organizatio.......

There are many kinds of grape diseases, and there are more than 60 kinds of recorded diseases. There are more than 10 kinds of diseases that occur in the production, such as grape downy mildew, brown spot, black pox, white rot, anthrax, and diseases. Blight and so on. Blackpox is one of th.......

Closed weeding corn seedlings are still very weak seedlings, growth is almost stagnant, yellow leaves edge scorch, stems turn from yellow to red-brown, some stem base swelling, dumplings, what caused it? Can it be remedied?

According to experience, the author believes that this is .......

The experimental glass reactor is injected into a constant temperature cold source or a heat source through an oil bath to thermostatically cool or heat the reactants, and has a stirring function. The supporting device includes a vacuum pump, a low temperature coolant circu.......

The one-year plan is spring. The management of orchards in spring is very important, and pre-emergence management is a top priority. In the budding stage to take certain technical means, for the adjustment of the growth of shoots, light improvement, germination and transformation of buds c.......

Where is the development direction of medical integration and the big health industry? What role should the government, hospitals and enterprises play in the process of health and health cooperation in the Dawan District of Guangdon.......

Focus on rare diseases: spinal muscular atrophy and its treatment progress

January 16, 2018 Source: Sina medicine Author: unique eye medicine

The ultra-clean workbench is designed to meet the needs of the cleanliness of local work areas in modern industrial, optoelectronics, biopharmaceutical and scientific research trials. The wo.......

In the cultivation and production of cucumbers in spring exposed land, a period similar to that of cucumber fusarium wilt often occurs during the fruiting period till the end of the fruiting period (from the end of July to the end of August). In the early stages of disease, the diseased pl.......

K-type reciprocating feeder (feeder) is a complete working coal feeder (reciprocating feeding) consisting of connecting crank shell, bottom tug, coupling, coal feeder floor and other parts. machine). The coal feeder is driven by the manufacturer and finally arrives.......

There are many kinds of pests and insects that have infested and the damage is heavy. According to preliminary statistics, there are more than 100 species of bacteria, pathogens, and pests that infect culture materials, mycelia, and mushrooms, and various pathogens and pests compete with e.......