Radish black rot is a common radish disease commonly known as black heart disease, rotten heart disease, caused by bacteria, germs mainly harm radish, cabbage, cauliflower, cabbage, mustard and other cruciferous vegetables. The disease causes the radish root to become black inside, loses its commerciality, and can cause harm during the growth period and the storage period, resulting in great losses. Remind farmers to pay attention to prevention and treatment. Timely prevention and control of yellow striped flea beetles, locusts and other pests, reduce plant wounds, reduce the spread of pathogens; diseased leaves in time to remove diseased plants, and brought out of the field burned, diseased points application or sprinkle lime. In the initial stage of black rot, the central disease strain should be removed in a timely manner, and sprayed with 40% thiram 500 times, 50% DT 500 times, 77% WP 500 times, and 47% WR 900 times. Liquid or 72% of agricultural streptomycin sulfate WP 4000 times, sprayed every 7-10 days, continuous control 2-3 times. Special attention should be paid to the fact that it must be stopped 7-10 days before harvesting.
The syringe consists of a barrel, a piston, and a core rod. The process of drawing or injecting a gas or liquid with a syringe and needle is called an injection.
Most modern medical syringes are made of plastic, which further reduces the risk of bloodborne diseases. One-time use, disposable, to avoid cross-infection of infectious diseases caused by the reuse of syringes.
Syringes are attached to hypodermic needles and are used to deliver medicines to body tissues to treat diseases.
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