Search results
Results from the WOW.Com Content Network
Blackleg of Potato complete plant wilt in field. These plants can sometimes be lost in the canopy. Blackleg is a plant disease of potato caused by pectolytic bacteria that can result in stunting, wilting, chlorosis of leaves, necrosis of several tissues, a decline in yield, and at times the death of the potato plant.
Leptosphaeria maculans (anamorph Phoma lingam) is a fungal pathogen of the phylum Ascomycota that is the causal agent of blackleg disease on Brassica crops. Its genome has been sequenced, [2] and L. maculans is a well-studied model phytopathogenic fungus. Symptoms of blackleg generally include basal stem cankers, small grey lesions on leaves ...
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [10] while only the death of 11,525 identified COVID-19 cases was registered. [9] The official count of COVID-19 deaths as of December 2021 is slightly more than 5.4 million, according to World Health Organization's report in May 2022 ...
The deadly infection – that turns muscle to mush – has only been seen in humans two other times, Australian doctors said.
The latest figures bring the overall death toll to 34,021, which trails only the U.S. and the U.K. There were also another 30,925 new cases recorded in the last 24 hours, pushing the total to ...
For even more international statistics in table, graph, and map form see COVID-19 pandemic by country. COVID-19 pandemic is the worst-ever worldwide calamity experienced on a large scale (with an estimated 7 million deaths) in the 21st century. The COVID-19 death toll is the highest seen on a global scale since the Spanish flu and World War II.
The true COVID-19 death toll in the United States would therefore be higher than official reports, as modeled by a paper published in The Lancet Regional Health – Americas. [3] One way to estimate COVID-19 deaths that includes unconfirmed cases is to use the excess mortality , which is the overall number of deaths that exceed what would ...
Blackleg is caused by infection with Clostridium bacteria. The most common causative agent is C. chauvoei, but the disease can also be caused by C. septicum, C. sordelli, and C. novyi. [4] [5] C. chauvoei is Gram-positive, rod-shaped, anaerobic, and motile, and can produce environmentally persistent spores when conditions are not ideal for growth.