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Pythium disease, also known as "Pythium blight," "cottony blight," or "grease spot," is a highly destructive turfgrass disease caused by several different Pythium species. All naturally cultivated cool-season turfgrasses are susceptible to Pythium and if conditions are favorable to Pythium it can destroy a whole turfgrass stand in a few days or less. [1]
A bacterial lawn used in antibiotic resistance testing. Bacterial lawn is a term used by microbiologists to describe the appearance of bacterial colonies when all the individual colonies on a Petri dish or agar plate merge to form a field or mat of bacteria. Bacterial lawns find use in screens for antibiotic resistance and bacteriophage titering.
A 1987 study found evidence of a possible biocontrol strategy for bacterial wilt of turf grass. The researchers found that antiserum to Pseudomonas fluorescens or Erwinia herbicola from hosts which have survived infections by the corresponding pathogens is capable of reducing wilt symptoms in turf grass caused by Xanthomonas translucens. The ...
Here's a guide to these illnesses, from symptoms to treatment. E. coli. What it is: ... What the symptoms are: Norovirus causes nausea, vomiting, diarrhea and abdominal pain. “It usually ...
Killing your entire lawn gets rid of everything—grassy and broadleaf weeds, off-type lawn grasses, and the few strands of good grass you have left. Unlike the five percent household vinegar used ...
Unlike the general coliform group, E. coli are almost exclusively of fecal origin and their presence is thus an effective confirmation of fecal contamination. Most strains of E. coli are harmless, but some can cause serious illness in humans. Infection symptoms and signs include bloody diarrhea, stomach cramps, vomiting and occasionally, fever.
The type of bacteria involved in this outbreak is E. coli O121:H19, a strain of dangerous Shiga toxin-producing E. coli, which has been linked to ground beef, romaine lettuce and water in the past ...
Excessive nitrogen application can cause increase in many diseases and should be regulated through soil testing. Managers should only apply fertilizer while not stressing the turf. [ 7 ] Additionally silicon amendments to soils lacking in plant available silicon have been shown to reduce the severity of gray leaf spot. [ 6 ]