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  • Tobacco, potato, cabbage, geranium black shank disease what are the symptoms? What drugs?

    Tobacco, potato, cabbage, geranium black shank disease what are the symptoms? What drugs?

    Black shank is a bacterial disease that overwinters on plant residues in the soil or on diseased tubers during storage, but it does not remain in the soil for long. It occurs on tobacco, potato, cabbage, cabbage, dahlia and other crops. the black

    2020-11-09 tobacco potato cabbage sunflower black shank disease yes which
  • What medicine is used for black shank disease of potatoes?

    What medicine is used for black shank disease of potatoes?

    Potato black shank disease, alias Blackfoot disease. Stems and tubers that can infect potatoes. The disease can occur from seed potato germination to the later growth stage, and it is the most popular in the seedling stage. Although it belongs to bacterial vascular diseases like potato ring rot, tomato bacterial wilt and melon bacterial wilt.

    2020-11-08 Potato black shank disease use what medicine potato black shank disease alias
  • What are the symptoms of tobacco, potato, cabbage and geranium black shank disease? What kind of medicine should I take?

    What are the symptoms of tobacco, potato, cabbage and geranium black shank disease? What kind of medicine should I take?

    Black shank is a bacterial disease. The pathogen can overwinter on plant residues in the soil or on diseased potatoes during storage, but it cannot stay in the soil for too long. It occurs in tobacco, potatoes, kale, cabbage, geranium and other crops. What are the symptoms of black shank disease? What kind of medicine should be given?

    2019-04-09
  • How to prevent and cure tobacco black shank disease?

    How to prevent and cure tobacco black shank disease?

    How to prevent and cure tobacco black shank disease? Methods the control strategy of tobacco black shank should be based on the use of disease-resistant varieties, strengthening cultivation management as the center, supplemented by chemical control. 1. Zhongyan 90, Xujin 1, K346, K394, NC82, NC89 and G.

    2018-09-08
  • Occurrence and Control of Potato Black Shank Disease in Heilongjiang Province

    Occurrence and Control of Potato Black Shank Disease in Heilongjiang Province

    Black shank disease occurs to varying degrees in various potato producing areas, with a mild incidence of 2%-5% and a serious incidence of 40%-50%, which often causes seedling breakage and seed potato rot in the field. In recent years, the harm of the disease in our province has a trend of increasing year by year, which greatly reduces the quality, yield and commercial potato rate of potato. In order to effectively prevent the disease, we must accurately identify its symptoms, clearly understand the law of the disease, and skillfully master the technology of comprehensive prevention and treatment. 1 symptom recognition 1.1 symptoms of black shank disease can occur throughout the growth period, the main

    2019-01-16
  • Occurrence and Control of Potato Black Shank Disease

    Occurrence and Control of Potato Black Shank Disease

    Symptomatic potato black shank is a bacterial disease that infects vascular bundles and can infect potato stems and tubers. The disease can occur from seed potato germination to the later growth stage, and it is the most popular in the seedling stage. Most of the diseased plants droop under water, the leaf color does not change, the whole plant wilts, and most of the black shins soften and rot. The color of the disease is yellowish brown, light brown or dark brown, light green and so on. The vascular bundles in the stem and the vascular bundles of the underground stem changed color basically into a ring-shaped stem and the connection between the base of the stem and the sweet potato blackened at first, and then developed near the ground to form a black shin. When the humidity is high, the black shin can rise to 3. 5% above the ground.

    2019-01-16
  • potato black shank

    potato black shank

    Erwinia carotovoravar.atroseptica(Van Hall)Dye. [Host crops] Solanaceae, cucurbitaceae, legumes, umbelliferae and many other crops. [Disease diagnosis] It can occur in the whole growth period, mainly damaging rhizomes and tubers. When the seed potato belt is seriously ill, the buds rot before they are unearthed, or the seedlings die soon after they are unearthed; when the disease is mild, the seedlings are 10~20 cm high. The diseased plant is short, yellow and dwarf, and the cortex of the underground rhizome is

    2019-01-16
  • Prevention and treatment of black shank disease of geranium

    Prevention and treatment of black shank disease of geranium

    The symptom of this disease occurs on both cuttings and adult plants, and the damage of cuttings is more serious, which begins to rot from the base of the stem, develops upward, and causes death. After the onset of the disease, the adult plant turned black and expanded upward, and the leaves fell off, so that the whole plant withered and died. The pathogen Pythium ornate [PythiumsplendensBraun] belongs to the subphylum flagellum. The hyphae are well developed, branched, without septum, and show white cotton floc shape when the growth is exuberant. The sporangia are filamentous, round or subrounded, producing zoospores and causing infection.

    2019-01-16
  • Control measures of black shank disease of potato

    Control measures of black shank disease of potato

    (prevention and control measures) (1) carry out quarantine and strictly prohibit the transfer of seed potatoes from disease areas to prevent expansion and spread. (2) selecting disease-resistant and high-yield varieties suitable for the local area to reduce the damage. (3) select and retain disease-free seed potatoes. In the south, the seed was sown in autumn, and the moderate small tuber was selected directly as the seed potato; the disease-free seed field was established in the northern potato area, and the whole potato was sown in the seriously diseased area to avoid cutting knife infection. Seedlings or disease-free stem cuttings can also be used to plant disease-free seed potatoes to reduce the source of primary infection. (4) choose sandy loam and high dry land for planting, fine soil preparation, timely drainage and irrigation, and combination.

    2019-01-16
  • Reasons for potato blackening and preventive measures

    Reasons for potato blackening and preventive measures

    Reasons for potato blackening and preventive measures

    2020-01-12
  • The cause of black heart of the latest potato and its preventive measures

    The cause of black heart of the latest potato and its preventive measures

    Potato is an important staple food in the world, its planting area is also gradually increasing, its utilization rate is very high, not only can make many kinds of food, but also resistant to storage, strong adaptability, suitable for planting in many areas. But potatoes appear during growth or storage.

    2020-11-10 The latest potato black heart cause and prevention measures
  • How to control and prevent common potato diseases?

    How to control and prevent common potato diseases?

    How to control and prevent common potato diseases? Please give guidance on the following common potato diseases: a, potato late blight 1, prevention: choose protective fungicides, such as Dasheng Fu (mancozeb suspension produced by Dow Yinong), essential (Bordeaux liquid). The key skills of preventive potions.

    2018-09-09
  • Occurrence and control of diseases and insect pests in winter potato

    Occurrence and control of diseases and insect pests in winter potato

    In recent years, the potato planting area in our city has been expanding continuously, and various diseases and insect pests of potato have occurred alternately, seriously affecting the yield and quality of potato. It is the growing season of potato at present. According to the investigation of Tiechong and Renshan in this station and Huidong Station recently, the main diseases and insect pests of winter potato in our city include potato bacterial wilt, black shank disease, late blight, virus disease, underground pests and aphids. Investigation should be strengthened, especially the prevention and control of potato soil-borne diseases. I. Occurrence of diseases and insect pests

    2019-01-16
  • What medicine should be given before crisp pears blossom?

    What medicine should be given before crisp pears blossom?

    What medicine should be given before crisp pears blossom? Please introduce in detail how to spray 5 Bomedo stone sulfur mixture before spring germination to eradicate overwintering diseases and pests. For trees infected with rot and black shank, smear the original solution of 843 rehabilitation agent after scraping the disease spot. For leaf pests such as pear aphid, pear planthopper and aphid weevil, they can be sprayed at a speed of 20% after germination to falling flowers.

    2018-09-10
  • How to Control Potato soft Rot during Storage

    How to Control Potato soft Rot during Storage

    How to Control Potato soft Rot during Storage

    2018-07-14
  • Analysis of factors affecting coloring of Sanhuang Chicken and its existing problems

    Analysis of factors affecting coloring of Sanhuang Chicken and its existing problems

    In recent years, with the development of domestic poultry industry and the continuous improvement of people's living standards, consumers are becoming more and more picky about the consumption of meat, and people in East China have a special preference for Sanhuang chicken. In fact, the yellow deposited on the shank and subcutaneous fat of chicken feet is lutein, which is the general name of a kind of natural pigment. Because the chicken cannot synthesize lutein itself, the lutein that exists in the chicken comes from feed. So, what is the reason for the difference in chicken coloring? Let's analyze them one by one.

    2019-01-11
  • Usage and dosage of disulfonate sodium

    Usage and dosage of disulfonate sodium

    Disodium sulfonate, also known as dimethazone, dexamethasone, is a common fungicide, mainly used for seed treatment and soil treatment, but also can be sprayed. Suitable for crops, vegetables, sweet lai, wheat, pineapple, rice, tobacco, cotton and so on. Today, the editor would like to introduce to you the enemy sulfonate.

    2020-11-09 Dichlorosulfonate sodium usage follow dosage dichlorosulfonate also known as dichloromethane
  • Control methods of diseases and insect pests in cabbage planting

    Control methods of diseases and insect pests in cabbage planting

    Control methods of diseases and insect pests in cabbage planting

    2018-09-29
  • How to treat the disease of tobacco seedlings?

    How to treat the disease of tobacco seedlings?

    China is a big country in tobacco production and marketing in the world, and it is widely cultivated in the north and south provinces. In the process of cultivation, the cultivation of strong seedlings is a key part of the work, if not managed properly, diseases may occur. So, how to treat the disease of tobacco seedlings? It depends on what happens to the tobacco seedlings.

    2020-11-08 Tobacco seedlings emergence disease how cure we the country the world tobacco
  • The latest control methods of diseases and insect pests in cabbage planting

    The latest control methods of diseases and insect pests in cabbage planting

    Cabbage is a cruciferous herb, which is also a vegetable that we often eat. It is widely cultivated in major provinces of our country. It has high cause and economic value, and it can also prevent cancer and heart disease. When planting, cabbage can be caused by climate and human factors.

    2020-11-10 The latest cabbage planting diseases and insect pests control methods time