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  • Control of latent mosaic disease of peach planted with peach trees

    Control of latent mosaic disease of peach planted with peach trees

    Peach latent mosaic disease is also known as peach mosaic disease, peach yellow mosaic disease, peach miscellaneous disease and so on. It has occurred in the United States, Japan and many other countries, and there are similar disease strains in China. The host of this disease is only peach. The main results are as follows: (1) symptomatic peach latent mosaic disease is a latent disease.

    2020-11-08 Species peach tree peach hidden flower leaf disease prevention and control peach potential
  • Latent disease of carnation

    Latent disease of carnation

    [symptoms] there are few or no symptoms on carnation. The infection of carnation latent virus alone is not serious, but when it is co-infected with carnation vein mottle virus, it produces serious mosaic. Carnation latent virus (CarnationlatentCaravirus,CLV). It belongs to the genus Carnation latent virus. The virion is straight or slightly curved, 652nm × 12~13nm, and it has also been reported as 620~690nm × 10~12nm.

    2019-01-16
  • The orchid is boundless-the growth characteristics of orchids

    The orchid is boundless-the growth characteristics of orchids

    The orchid is boundless-the growth characteristics of orchids

    2018-04-26
  • Latent mosaic disease of carnation

    Latent mosaic disease of carnation

    [pathogen] Carnation latent virus (Carnationlatantvirus,CaLV), lethal temperature 60-65 ℃. The in vitro survival time was 20 ℃ for 2-6 days. [symptoms] the virus generally showed no symptoms after infecting carnation, but could significantly reduce the plant growth and the quality of flowers. Mosaic can be produced when co-infected with carnation vein mottle virus. Obvious chlorotic foliage can be formed on the indicator plants. [incidence regularity and epidemic characteristics] the above-mentioned viruses

    2019-01-16
  • Prevention and control of lily mosaic disease (cmv)

    Prevention and control of lily mosaic disease (cmv)

    Symptoms: greenish mottled or necrotic spots appear on the leaves. Pathogens: lily latent virus [Lilylatentvirus], cucumber mosaic virus [Cucumbermosaicvirus] (CMV for short). Lily latent virus is widely harmful in lily plants. Some lilies are asymptomatic after being infected with this virus, while others show symptoms of chlorosis and mottling. Cucumber mosaic virus causes chlorosis mottle symptoms, if the disease and Baiquan latent disease spot. Route of transmission: peach aphids and other aphids are mediators of virus transmission

    2019-01-16
  • Control of lily mosaic disease (cmv)

    Control of lily mosaic disease (cmv)

    Symptoms: greenish mottled or necrotic spots appear on the leaves. Pathogens: lily latent virus [Lilylatentvirus], cucumber mosaic virus [Cucumbermosaicvirus] (CMV for short). Lily latent virus is widely harmful in lily plants. Some lilies are asymptomatic after being infected with this virus, while others show symptoms of chlorosis and mottling. Cucumber mosaic virus causes chlorosis mottle symptoms, if the disease and Baiquan latent disease spot. Route of transmission: peach aphids and other aphids are mediators of virus transmission

    2019-01-16
  • Propagation method for promoting golden diamond to germinate latent bud

    Propagation method for promoting golden diamond to germinate latent bud

    Golden Diamond belongs to Araceae, is a popular evergreen foliage plant, short stems, clusters, large and strange leaves, thick green and smooth, and more tolerant of shade, and can withstand low temperature of about 5℃, suitable for indoor viewing, according to plant size, display in the hall, living room, decoration in the study, hall and other places

    2019-03-05
  • Since depression, I've known that I have such latent abilities.

    Since depression, I've known that I have such latent abilities.

    In the eyes of many people, depression is a frightening, like a demon general terrible psychological disease, the outside world will get depressed people avoid, family members will feel psychological burden heavy mental exhaustion, and a lot of depression.

    2018-08-25
  • Prevention and Control of Potato Shrinkage Mosaic Disease

    Prevention and Control of Potato Shrinkage Mosaic Disease

    Sweet potato wrinkle mosaic disease, also known as sweet potato latent virus disease. Sweet potato latent virus, SPLV. [Host crops] Sweet potato, Convolvulaceae, Chenopodium and some Solanaceae crops. [Disease diagnosis] The number of germination of diseased seed potatoes is higher than that of healthy potatoes during seedling stage

    2020-11-08 seed sweet potato shrinkage mosaic disease control
  • Occurrence and control of carnation virus disease in protected area

    Occurrence and control of carnation virus disease in protected area

    Symptom recognition carnation vein mottle disease carnation leaf vein mottle virus infects carnation, Chinese carnation and American carnation, all produce systematic mosaic, and old leaves often appear hidden phenomenon in winter. Discoloration spots appeared on the petals, especially in the varieties of large red flowers. Carnation latent virus disease Carnation generally shows no symptoms or mild mosaic symptoms after being infected by the virus. However, mosaic symptoms occurred when carnation latent virus and carnation vein mottle virus were co-infected. Carnation

    2019-01-16
  • How to propagate the tuber of money tree

    How to propagate the tuber of money tree

    The tree not only has regular stems and leaves, but also has bright and full leaves, and keeps it green all the year round, so whether it is the effect of greening, beautifying the environment or as a pot ornamental effect, it is often very good. In fact, the tree is a plant with underground tubers and has the characteristics of fleshy roots.

    2019-06-06
  • Virus disease of carnation

    Virus disease of carnation

    Carnation virus disease is a worldwide disease, which occurs in all cultivated areas. The common virus diseases are leaf vein mottle disease, necrotic spot disease, erosion ring disease and latent disease. the virus often causes carnation growth weakness, short flower branches, smaller flowers, mixed petals, split calyx and so on, which seriously affect the quality and yield of cut flowers. The main results are as follows: (1) Carnation necrotic spot disease: the leaves in the middle of the susceptible plant become gray, yellowish necrotic mottled, or irregularly shaped stripes or stripes. The lower leaves often show purplish red stripes or stripes. With the plant

    2019-01-16
  • Go to the top to promote the breeding of golden diamond

    Go to the top to promote the breeding of golden diamond

    Chunyu is a popular foliage plant. However, the seeds are not easy to obtain, and it is difficult to propagate seedlings. If the split plant method is used, it is not easy to germinate lateral buds under normal circumstances. The method of removing the top to promote sprouting and breeding spring feather is not only simple and easy, but also has the best effect. When the temperature is higher in summer and autumn

    2019-03-05
  • Morphological characteristics of walnut tree

    Morphological characteristics of walnut tree

    1. The part below the neck of walnut is called root system, which is divided into main root, lateral root and fibrous root. The main root is well developed, the lateral root extends far horizontally, the fibrous root is more, and the root system is strong. Generally speaking, the root system of early-bearing walnut is more developed than that of late-bearing walnut, especially in young trees.

    2020-11-27 Walnut tree body morphological characteristics root system walnut root neck
  • How does the money tree reproduce? Introduction to the breeding methods of Rhizoma Polygoni

    How does the money tree reproduce? Introduction to the breeding methods of Rhizoma Polygoni

    Artemisia angustifolia is a herbaceous plant native to tropical Africa, belonging to Araceae. It grows in the savanna climate and likes the environment with high sunshine and temperature. The breeding methods of Artemisia angustifolia are also the same as other flowers and plants, mainly including separate plant breeding method and insertion breeding method. The branch propagation of Artemisia angustifolia in April

    2018-09-09
  • Prevention and treatment of canker of navel orange

    Prevention and treatment of canker of navel orange

    Prevention and treatment of canker of navel orange

    2018-12-07
  • To understand the relationship between flower planting and meteorological conditions, and the types of flower virus diseases.

    To understand the relationship between flower planting and meteorological conditions, and the types of flower virus diseases.

    Types of flower virus diseases

    2019-06-08
  • Preparation for single bud cuttings of rose

    Preparation for single bud cuttings of rose

    There are also many varieties of rose, and if it is a new variety, there will be less materials for cuttings, so we can choose to use single-bud cuttage to propagate for rose. The editor would like to introduce to you the preparation before cutting and propagation of single bud of rose.

    2018-06-28
  • How to prevent banana ear from planting corn in summer

    How to prevent banana ear from planting corn in summer

    How to prevent banana ears from planting corn in summer? The "banana ear" of summer corn belongs to a kind of abnormal ear, which is characterized by high plant growth, slender stem, poor development of main ear, no grain or very few grains, and even 3 or 5 small ones grow in one or two leaf axils in the middle of some plants.

    2018-07-18
  • Budding technique of Old Reed head of potted Orchid

    Budding technique of Old Reed head of potted Orchid

    When the potted orchid propagates to a large number, it will produce an old Reed head. If the old Reed head is full and full, there are usually several latent buds in the upper part that have not yet sprouted, as long as the old Reed head is peeled off from the original clump and planted for careful maintenance.

    2018-07-16