Choose healthy and disease-free bulbs or seedlings as propagation materials, cut off diseased leaves or pull out diseased plants for destruction in time(seedling trays wholesale). It is best to change the cultivation soil once a year for pot cutting and apply fully decomposed fertilizer. Tumors vary in size and shape(grow bags wholesale). Root cancer is a widely distributed bacterial disease with a wide range of hosts, and farming tools.
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From early spring, attention should be paid to the use of insecticides such as phoxim to control borers and other underground pests to reduce the chance of bacterial infection from wounds(7 gallon nursery pots). This disease mainly occurs at the root neck, but can also occur on the main root, lateral root, and the main stem and lateral branches above the ground. Rotate crops to avoid repeated cropping(1 gallon nursery pots wholesale). Chemical control.(5 gallon nursery pots wholesale suppliers florida)
It mainly harms chrysanthemum(2 gallon nursery pots), dahlia, dianthus, geranium, hops, begonia, cherry blossom, plum blossom, peach, oleander, rose, rose, fig, clove , Hai Chai, Lagerstroemia, Araucaria, Podocarpus, Flower Cypress, Juniper, Ginkgo and many other flowers and trees. There are more than 300 kinds of hosts(200 cell seed trays). When the temperature is high, the humidity is high, especially when the humidity is high, the disease is serious.
(5 gallon nursery pots wholesale suppliers florida)At the beginning of the onset, the diseased part swelled and formed tumors of varying sizes(square plant pots). In the later stage of the onset, the color of the tumor becomes darker, ranging from brown to dark brown, the surface is rough and cracked, the internal tissue is lignified, the texture becomes hard, and it becomes a hard tumor(3 gallon nursery pots). Root cancer is a bacterial disease caused by Agrobacterium tumefaciens infection.
Tumors on herbs are small, and tumors on woody plants and fleshy roots are usually larger. Due to the damage of the root system, the mild disease causes the plant to grow slowly and the leaf color is not correct; the severe disease several years later will cause the whole plant to die(plastic plant trays wholesale). They can be soaked in 500-2000 mg/kg streptomycin solution for 30 minutes or 1% sulfuric acid solution for 5 minutes.(5 gallon nursery pots wholesale suppliers florida)
Bacterial soft rot is mainly caused by the infection of Soft Rot Bacillus owenii(plastic plant pots wholesale suppliers). The control measures are as follows: use disease-free seedlings when planting. Diseased seedlings can be planted only after treatment with the medicinal solution. Alkaline and humid sandy loam has a high incidence(plastic terracotta pots). Control pests in time. If they are not infected for two years, the bacteria will lose their pathogenicity and viability.
(5 gallon nursery pots wholesale suppliers florida)Bacteria overwinter on the surface of cancerous tumors or on the remains of soil diseased plants, and their viability can reach more than one year(15 gallon plant pot). Pathogenic bacteria invade the surface of the host from the wound to proliferate and secrete growth-stimulating hormone, which makes the surrounding cells divide rapidly to form tumors(fabric plant pots). This stench is an important basis for the diagnosis of this disease.
The morbidity rate of seedlings propagated by grafting is higher(1020 trays wholesale). The spread of pathogenic bacteria mainly depends on rainwater, irrigation water, underground pests, grafting tools. Disseminate the whole disease seedlings and the transportation of seeds over long distances(10 gallon nursery pots). The tumors are light brown, spherical or hemispherical, with soft texture and smooth surface. Grab crops, change soil, and fertilize.(5 gallon nursery pots wholesale suppliers florida)