Potato spindle tuber disease discovered by
Webcause of the potato spindle tuber degeneration disease, which was known to be transmissible through the plant juice, Schultz and Folsom (45) elected to refer to it as a conta- gium or a virus. This was widely accepted and today the etiological agent is generally referred to as "potato spindle tuber virus," (PSTV). Various synonyms have oc WebThe Spindle-tuber Disease as a Factor in Seed Potato Production - Apr 01 2024 Effect of Calcium Fertilization on the Quality of Potato Tubers (Solanum Tuberosum L.) Cv. ... valuable reference for successful culture of the "noble tuber." Compendium of Potato Diseases - May 22 2024 Disease in the absence of infectious pathogens. Genetic ...
Potato spindle tuber disease discovered by
Did you know?
WebWe should all take a moment to mourn the loss of Dr. Theodor Diener. Dr. Diener’s research was the first to describe to the world a new infectious agent he… WebThe first viroid disease to be studied by plant pathologists was potato spindle tuber disease. In 1923, its infectious nature and ability to spread in the field led Schultz and Folsom to group potato spindle tuber disease with several other ‘degeneration diseases’ of potatoes.
WebThe potato spindle tuber viroid (PSTVd) was the first viroid to be identified. PSTVd is a small, single stranded circular RNA molecule closely related to the chrysanthemum stunt … WebDetection of viroid RNA in small quantities of potato spindle tuber viroid-infected potato and tomato terminal tip tissue was used for rapid and reliable diagnosis of the disease. The …
WebTheodor Otto Diener (born 28 February 1921) [1] is a Swiss-American plant pathologist. In 1971, he discovered that the causative agent of the potato spindle tuber disease is not a virus, but a novel agent, which consists … WebThe first viroid discovered was found to cause potato tuber spindle disease, which causes slower sprouting and various deformities in potato plants (see Figure 6.23 ). Like viruses, …
WebPests and diseases in agriculture. Potato Spindle Tuber Viroid (PSTVd) is an EU listed quarantine pathogen of potatoes which causes stunting of the plant and malformation and cracking of tubers. The main host is potatoes …
Web2 Dec 2014 · In 1960s, potato spindle tuber was thought to be a viral disease. In 1971, the agent of the disease was characterised as a low-molecular weight infectious ribonucleic acid (RNA), which was named as ‘viroid’, specifically Potato spindle tuber viroid (PSTVd)). Since then, more than 30 plant diseases in horticultural and ornamental plants have been … jwclothingWebPotato spindle tuber and at least 15 other crop diseases are caused by viroids, an entity that nobody had ever heard of before 1971, its official date of discovery. Theodor O. Diener, … jwco capacitor datasheetWebTheodor O. Diener, a Swiss-born scientist whose investigation more than half a century ago of shriveled, stunted potatoes yielded the discovery of the tiniest known agent of infectious disease,... jwc medicalWeb2 Mar 2024 · Notes on taxonomy and nomenclature. Potato spindle tuber viroid (PSTVd) was the first species to be identified as a viroid, a new type of pathogen different from bacteria and viruses (Diener, 1971). Gross et al. (1978) was able to determine the nucleotide sequence and predicted its characteristic secondary structure, a covalently closed ... lavations meaningWebPSTVd was first reported as a disease in potatoes in North America and first detected on tomatoes in South Africa. The disease is reported to occur in Asia, Africa, North America, … lavatools carbon thermometerWeb12 Apr 2024 · Potato dry rot disease caused by multiple Fusarium species is a major global concern in potato production. In this investigation, the tubers of cultivars Kufri Jyoti and Kufri Frysona were artificially inoculated with an individual or combined inoculum of Fusarium sambucinum and Fusarium solani. Fusarium sambucinum caused a … jwcollectionhomes.comWebFigure 7. Potato spindle tuber viroid (PSTV)-infected tubers may be spindle- or oblong-shaped or tend to be more rounded instead of the normal shape for a given variety. Figure 8. PSTV foliar symptoms show little contrast, making this one of the more difficult diseases to … lavatools digital food thermometer chipotle