Autumn tomato late blight symptoms

Tomato late blight is a disease caused by P. infestans fungus infestation, which has the characteristics of rapid onset, widespread epidemic and great harm. It is the main disease in the production of autumn tomatoes.

Seedlings, plants can be disease. Stems, leaves, and fruits can all be harmed, mainly destroying leaves and fruits. Seedlings of diseased seedlings appear dark green watery immersed lesions, which develop from the leaves to the main stem. The petioles and stems become dark brown and rotten. The whole plant is wilting and lodging, and when the humidity is high, the diseased part produces white mold layer. The base of the young stems develops, forming watery contractures, wilting or lodging of the seedlings.

In the adult stage, leaf lesions mostly start from the tips or leaf margins of the lower leaves. The lesions are dark green and irregular in shape at the beginning of the lesions. The lesions are not clearly visible at the boundary between the disease and the health. The lesions spread quickly in the wet, and the lesions on the back of the leaves are very fast. At the junction, white, loose molds may appear, and the lesions turn brown. When dry, the diseased department is dry, brittle and easily broken.

The lesions on stems were initially dark green, black in color, and slightly dark brown on the back, easily causing wilting or breaking of the diseased branches above the stem of the main stem. The victims suffer from fruit damage. They often form oil-immersed dark green to brown lesions on the fruit surface. They grow in an irregular, moire-like manner. The texture is hard and the flesh is dark brown. When the surface is wet, mildew develops on the surface of the lesion and quickly rots.

Veterinary Drug Preparation For Pigs

Medicine for pigs,including antibiotics, hormones, feed, vitamin nutrients, etc.

Veterinary drugs refer to substances (including drug feed additives) used for prevention, treatment, diagnosis of animal diseases or purposeful regulation of animal physiological functions.

Veterinary drugs can be roughly divided into four categories: â‘  general disease prevention and treatment drugs; â‘¡ Drugs for prevention and treatment of infectious diseases; â‘¢ Drugs for prevention and treatment of internal and external parasitic diseases; â‘£ (including growth promoting drugs). Except for the biochemical immune products (vaccine, vaccine, serum, antitoxin, toxoid, etc.) for the prevention and treatment of infectious diseases, as well as special veterinary drugs for livestock and poultry parasitic diseases and growth promoting drugs, the rest are the same as those for human use, but the dosage, dosage form and specifications are different. It has long been widely used in the prevention and control of livestock and poultry diseases.
More than 20 kinds of veterinary drugs are commonly used, such as analgin, amoxicillin, florfenicol, ceftiofur, oxytetracycline, chlortetracycline, bacitracin, salinomycin, monensin, colistin, etc. 60% of antibiotics were used in chemotherapy; 40% is used as feed, which can not only prevent infectious diseases, but also promote the growth of livestock and poultry and improve the utilization rate of feed.
Among the Antiparasitic Drugs, in addition to the common anti helminth drugs (mebendazole, levamisole, thiadiazine, etc.), anti schistosomiasis drugs (antimony agent, nithiocyandiamide, praziquantel, etc.) and anti tapeworm drugs (niclosamide, etc.), the special anti Fasciola hepatica drugs (nitrochlorophenol, trichlorobenzole, etc.), Trypanosoma, and pyroplasmosis drugs (antracel, suramin, chloramphenicol, etc.) for livestock and poultry are also used Imidacloprid and other insecticides (organophosphorus insecticides). A macrolide ANTIBIOTIC was found to have a significant killing effect on parasites such as gastrointestinal nematodes, Dermatophagoides, blood sucking lice, especially Sarcoptes scabiei. Coccidiosis is a serious threat to the safety of chickens and rabbits. There are more than 30 kinds of commonly used anticoccidial drugs, including synthetic drugs (such as chlorobenzoguanidine, changshanone) and antibiotics (such as monensin, salinomycin), which are often used alternately.
Biochemical immune products are mainly used to prevent animal anthrax, brucellosis, anthrax, salmonellosis, and a variety of viral infectious diseases.

Injections are commonly used in veterinary drug preparations, but their specifications are several times larger than those for human use. Oral veterinary drugs are usually in powder or microcapsule form, as feed additives, mixed into the feed for free feeding of livestock and poultry. Anabolic hormone can increase the benefit of raising livestock and poultry. It is mainly made into implant for subcutaneous implantation. Transdermal preparations and medicated baits for aquaculture are emerging.


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West Africa usually includes Mauritania, Senegal, Gambia, Mali, Burkina Faso, Guinea, Guinea Bissau, Cape Verde, Sierra Leone, Liberia, C ? te d'Ivoire, Ghana, Togo, Benin, Niger, Nigeria, etc.
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Central Africa includes the Central African Republic, Chad, Cameroon, Equatorial Guinea, Gabon, the Republic of Congo, the Democratic Republic of Congo, Sao Tome and Principe.
Central Asia refers to the inland region of Central Asia: Kazakhstan, Uzbekistan, Kyrgyzstan, Turkmenistan, Tajikistan and Afghanistan.
Southeast Asia: Myanmar, Thailand, Cambodia, Laos, Vietnam, Philippines, Malaysia, Singapore, Brunei, Indonesia and Timor Leste.
Countries and regions in West Asia include Saudi Arabia, Iran, Iraq, Kuwait, UAE, Oman, Qatar, Bahrain, Turkey, Israel, Palestine, Syria, Lebanon, Jordan, Yemen, Cyprus, Georgia, Armenia and Azerbaijan.
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