Furan Learn more about Furan
-
Common Fish Drugs 3
Furans are synthetic broad-spectrum antibiotics, many kinds, but only 3~4 kinds are used to prevent and control aquatic diseases. The basic structure of furans is a furan ring with a nitro group attached to the fifth carbon atom. It has strong antibacterial effect. At low concentration, it can inhibit the biological reproduction of various Gram-positive bacteria and negative bacteria; at high concentration, it has bactericidal effect. General bacteria are not resistant to furans, even if they are resistant to sulfonamides and antibiotics.
2019-01-15 -
How to use carbofuran?
How to use carbofuran? What crops can I use carbofuran on? How safe is carbofuran? Please introduce the crops that carbofuran can act on, such as rice, cotton, tobacco, sugarcane, soybean, peanut, corn, vegetables, etc. The following details the methods of using carbofuran on various crops for reference. Rice makes...
2018-07-11 -
Prevention and control techniques of eel disease
Prevention and control techniques of eel disease
2018-09-08 -
Processing and application of tea seed shell
Camellia oleifera is a unique woody oil in China. According to statistics, Camellia oleifera has an area of more than 3.47 million hectares and an annual output of 56.6 billion kg. In the tea seed shell, it contains 52.15% lignin, 30.27% pentose, 5.43% diosgenin, 2.47% tannin, 0.43% water, 0.13% oil and 9.12% other ingredients. Due to the high content of lignin and pentoses in tea seed shell, the research on the utilization of tea seed shell is still focused on the preparation of furfural, activated carbon and xylitol. 1. Tea seed
2019-01-15 -
Proper medication should be used for pregnant pigs.
In clinic, the harm of some drugs such as tetracycline, streptomycin, chloramphenicol, aspirin, furan drugs and antiallergenic drugs to pregnant pigs is caused by intravenous injection and the drugs do not reach the fetal body directly through the liver. If oral administration is changed, it will be safer and more effective. Therefore, it is best to consult a veterinarian immediately after the onset of the disease in pregnant pigs.
2019-01-15 -
Control methods of acaroid mites on lilies?
The control methods of acaroid mites on lilies are as follows: first, rotation for 4 years. When planting lilies along the slope, they should be planted from the bottom up to reduce the spread of germs. 2. Choose disease-free, mite-free and mechanically injured bulbs as seeds, or mix them with barnyard manure or in combination with irrigation, or use 2% methyl isophosphates powder 667 square meters and 2 to 3 kilograms of fine soil mixed with 25 to 30 kilograms of poisonous soil, or 3% methyl isofenphos granules, or 3% furan granules, or 5% phoxim granules, or 5% Dianong granules, 2 kg per 667 square meters.
2019-01-16 -
Comparison of furosemide and imidacloprid
Furosemide is the latest generation of super nicotine insecticides, while imidacloprid is a super efficient nicotine insecticide, which is mainly used to control piercing mouthparts pests. The chemical structure of furosemide is quite different from that of existing nicotine insecticides, and it is also similar to nicotine in terms of performance.
2020-11-09 Furan amine and imidacloprid pyridine contrast furan are the most -
Chemical constituents, efficacy and Pharmacological Action of Ganoderma lucidum
Ganoderma lucidum [Ganodermalucidum (Fr.) Karst] is a fungus of the genus Ganoderma lucidum, which has been known as "immortal grass" and "auspicious grass" since ancient times. it is a precious traditional Chinese medicine in traditional Chinese medicine, which has a long medicinal history and high medicinal value in our country. The Eastern Han Dynasty (Shennong Materia Medica Sutra) lists Ganoderma lucidum as the top grade, believing that "eating for a long time, being light and not old, and prolonging the years of immortals". Modern medicine has proved that Ganoderma lucidum contains a variety of physiology
2019-01-15 -
Classification and study of botanical insecticides
10% of cypermethrin EC is used 2 to 5 days before going on the market: 2.5% deltamethrin 2 days; 2.5% kungfu EC 7 days; 5% rifampicin EC 3 days; 50% aldicarb wettable powder 6 days; 1.8% epididyl EC 7 days; 10% kill the enemy.
2018-07-16 -
How to use a foam box to build a mini meat garden?
Curator: we often see many people grow flowers and vegetables in foam boxes in the community. In fact, it is also excellent to grow meat in foam boxes, and it is also cheap and durable. The following I decompose the specific steps according to the picture: 1, take the bubble.
2018-06-09 -
Insecticide of Orchid-carbofuran
Insecticide of Orchid-carbofuran
2018-05-01 -
Chemical weeding techniques in Rice Seedling Field
Chemical weeding techniques in Rice Seedling Field
2018-07-10 -
Matters needing attention in replenishing water with edible fungi, the archenemy of greenhouse flowers-brown soft medium
Brown Ruosuke, the archenemy of greenhouse flowers
2019-06-03 -
The great enemy of greenhouse flowers-- Brown soft medium, the method of flower maintenance
Brown Ruosuke, the archenemy of greenhouse flowers
2019-06-24 -
Intestinal mycosis of fish
The pathogens are zygomycetes, insect molds, frog faeces and frog feces. The anterior abdomen and anus of the diseased fish obviously swelled, forming two white protruding places. The diseased fish could not defecate because of anal blockage and died soon. The abdominal wall soon wore out after death, revealing sticky internal organs. Anatomical examination of the diseased fish showed that there was a white sticky fatty substance outside the stomach and intestine, the intestine became thicker and white, the intestinal wall became thinner, the interior was full of hyphae and its conidia, the end of the intestine was particularly dense, and mycelia were also distributed in the stomach of a few diseased fish, but no infection was found.
2019-01-16 -
5 diseases/medicine control effect quickly
In the process of breeding primrose, the last thing we want to encounter is diseases and insect pests. This kind of problem is very harmful to plants, which will not only affect the beauty of plant type, but also lead to plant death when it is serious. So how to prevent and control diseases and insect pests of primrose? The following small series takes everyone to understand
2018-12-08 -
The main insect pests of orchids
The main insect pests of orchids
2018-05-04 -
[geranium] Culture and maintenance of geranium
![[geranium] Culture and maintenance of geranium](https://www.mysheen.com/pic/20190306/b9aced52f568abbbe845bfb9f6fcf4ae.jpg)
[geranium] Culture and maintenance of geranium
2019-03-06 -
Five methods of controlling vegetable pests
Five methods of controlling vegetable pests
2019-07-19 -
Prevention and treatment of paratyphoid fever in farmed meat pigeons
The pathogen of paratyphoid is Salmonella typhimurium. Sick and cured pigeons are the main sources of infection of the disease, and contaminated feed and drinking water are the main routes of transmission. It is often transmitted through infected eggs produced in the digestive tract of recovered pigeons. But also through breathing and eye knots.
2020-11-08 Breeding meat pigeons paratyphoid diseased prevention and control