Prevention and treatment of common diseases of bitter gourd in summer
Bitter gourd often has schizophrenia and blight
(Grafted seedlings generally do not occur), powdery mildew, blight, anthrax and so on. The main pests are melon flies and aphids. Powdery mildew: In the process of flowering and melon, the leaves are covered with white powder, which causes the leaves to lose green and yellow, causing premature senescence of the plants. Control method: When white powder appears on the leaves, spray the cyanopyrazole aqueous solution, the powder rust aqueous solution, the citrus, or the sulfur suspension aqueous solution every 7-10 days, and spray continuously for 2-3 times. Note that the amount of potion must be large.
Blight: Starting from the tip or leaf edge of the leaf, the shape of the lesion is irregular, the circumference is not obvious, and the initial dark green, water-stained, and then brown. The lesion can be enlarged to the whole or the majority of the leaves. When wet, a white mold is formed at the junction of the lesions. Control agents: chlorothalonil, epidemic gram, Boer lotion, Nongliling, Anke, Xixian morpholine, ethylphosphorus aluminum, anti-virus cockroach or Golden Remyr spray, the diseased leaves were removed and taken away for destruction.
Locust: use triazophos, insecticide, insecticidal double, sharpen, chlorpyrifos, Bt spray.
Aphids: imidacloprid, acetamiprid, avermectin spray.
Melon flies: The larvae are smashed into the young melons , causing the young melons to be deformed and turn color in advance, and then rot and deteriorate, and also emit a foul odor. Control method: In the juvenile period, use the Ruijinte aqueous solution, or the agricultural land aqueous solution, or Kungfu aqueous solution to spray the melon 2-3 times, once every 4-5 days, and remove the deformed fruit in time, and burn out or deep outside the concentrated garden. Buried.
An indwelling needle is a medical device also known as a central venous catheter or central venous catheter. It is a long, thin tube that can be inserted into the veins of the body for fluid infusion, blood transfusion, nutritional support, drug therapy, etc. It is indicated for patients who require prolonged intravenous fluids
Composition of IV Cannula
1. Fine Needle: The fine needle is made of stainless steel and has good elasticity and a sharp tip to aid insertion into the vein.
2. Push rod: The push rod is used to control the depth of the fine needle so that it can be inserted into the vein.
3. Sheath: The sheath is used to protect the fine needle to prevent accidental stabbing.
4. Catheter: The catheter is used to inject the drug or nutrient solution into the vein at a specified flow rate. 5. Straps: Straps are used to secure the needle to the skin to prevent movement or pulling out.
Intravenous Cannula, IV Cannula Gauge, IV Cannula Parts
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