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Pathogen. The powdery scab fungus may survive many years in the soil as resting spores. It attacks roots, stolons, young shoots and tubers. The fungus is spread by planting infected seed tubers, by moving infested soil or…
Pathogen. The leak fungus is widely distributed in soils. It also attacks the underground parts of many other crops. Disease development. The fungus cannot penetrate tubers directly, but enters through bruises and wounds, which usually occur at…
Pathogen. The pink rot fungus is soil-borne and is found in most agricultural soils. Disease development. Infection usually occurs before or at harvest. The disease is associated with excessive soil moisture, low spots in the field, over-irrigated…
Pathogen. The silver scurf fungus overwinters mainly on infected seed tubers. It can also survive for at least one year on decaying organic matter in the soil, indicating that soil may be a source of inoculum.On infected…
In the UK, the Mintec benchmark price for packaging potatoes fell 5% month-over-month (m-o-m) to GBP190/MT for the week of November 23. Since the harvest began, the price of potatoes has gradually decreased as more of the…
Pathogen. The black dot fungus persists as tiny sclerotia on the surface of tubers or in plant debris in the soil. Disease development. The black dot fungus needs a wound to infect potato plants. If the fungus…
Pathogen. The grey mold fungus persists on dead or dying plant material in the soil.Disease development. Cool, humid conditions and dense crop canopies favour infection. The fungus penetrates leaves through wounds ordiseased tissues. It can infect damaged…
Pathogen. The white mold fungus persists in the soil as sclerotia. Sclerotia are black, hard, irregular structures that may survive in soil for at least 3 years. They range in size from 1 mm to over 1…
On December 13, 2022, an online conference "Agricultural machinery market in 2022: supply revolution, new players and prospects for import substitution" will be held. Organizer: Association of Dealers of Agricultural Machinery "ASHOD". The event starts at 11:00…
Pathogen. This fungus persists in the soil for many years as tiny propagules called microsclerotia. Short crop rotations, especially in sandy soils with susceptible varieties, tend to increase the population of Verticillium to damaging levels. The fungus…
Pathogen. The fungus persists in plant refuse in the soil, on weeds and on other susceptible hosts.Disease development. Infection occurs when windblown spores germinate on the foliage. Temperatures above 18°C favour disease development. Initial symptoms of brown…
Pathogen. The early blight fungus is found in most soils where potatoes are grown, and the disease develops every season. The fungus overwinters in the soil on dead leaves, vines or infected tubers.Disease development. In the spring,…
