The Breeders Trust, a plant breeders' rights organization, is launching an international data collection pilot project this year. First of all, she wants to better understand the trade flows of potato seeds.The use of a central database…
Leafhoppers acquire the witches’ broom phytoplasma from infected legume hosts. Later, they migrate to potato fields and transmit the pathogen. Usually, infectionsoccur too late in the season for symptoms to develop.Symptoms are usually visible on plants that…
The aster yellows phytoplasma is transmitted by the aster leafhopper. Aerial tubers may form on affected plants and affected stems usually die prematurely. Terminal growth may appear yellowish insome varieties. Terminal growth appears bunched and theleaflets roll…
Pathogen. The viroid persists in infected seed tubers. It is transmitted by direct contact and by any mechanical operation that involves the release of plant sap, such as seed cutting, seed handling and crop cultivation.Symptoms. High temperatures…
In Kabardino-Balkaria, according to the North Caucasus Statistics, in January-November 2022, farms of all categories harvested 338.8 thousand tons of various open and protected ground vegetables, exceeding the 2021 harvest for the specified period by 7.6%.The gross…
Corky Ring SpotPotato mop top symptoms may be confused with other viral diseases, particularly corky ring spot, which is caused by the tobacco rattle virus. The virus is transmitted by stubby-root nematodes.Corky ring spot has not been…
Seed tubers infected with PMTV transmit the disease to roughly half of their daughter tubers. The other half remains healthy. Not all daughter tubers infected in thefield show symptoms at harvest. Infected tubers that appear healthy at…
As the global population burgeons past 8 billion and climate change makes it harder to grow food, scientists in South America are tapping the power of wild potatoes to breed disease-resistant and resilient varieties that can enable…
The Ministry of Agriculture of Russia is reorganizing the system of federal institutions for land reclamation in the Volga region. By order of the Ministry of Agriculture of Russia dated December 19, 2022 No. 593 “On the…
Foliar and stem symptoms develop only on plants growing from infected seed. Because infected seed does not transmit the disease to all of the plant stems, only theleaves from infected stems will show potato mop top symptoms.…
PVX persists in infected seed potatoes or volunteer potato plants. This virus is transmitted mechanically and by plant-to-plant contact.Symptoms. PVX is usually symptomless, but may cause a mild mosaic symptom. Mixed infection with PVY may or may…
PVY is the common strain of the PVY complex and is the most important virus infecting potatoes in Ontario. PVY persists in infected seed potatoes, volunteer potato plants and some weed hosts.Other crops attacked by this virus…