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tested positive

Listing 1 - 10 from 52 for tested positive

New Disease Reports - First report of Papaya ringspot virus infecting papaya in Côte d’Ivoire
... by PRSV Extracts made from the papaya leaf samples were tested for the presence of Papaya ringspot virus (PRSV) by DAS-ELISA (Clark ... nine out of fifty seven leaf samples. Examination of the ELISA-positive leaf samples, using a leaf-dip preparation for electron microscopy, with ... RNA extract from one of the leaf samples that had previously tested positive for PRSV by ELISA. The primers used were Uni 3 ...
www.bspp.org.uk

New Disease Reports - First record of Bean yellow mosaic virus infecting a member of the orchid genus Dactylorhiza
... large consignment of mature plants, of which 100% showed the same symptom. The sample was tested by ELISA for several viruses which are known to infect orchids including Tomato spotted wilt ... mosaic virus, Odontoglossum ringspot virus and Bean yellow mosaic virus. Of these viruses, the sample tested positive only for Bean yellow mosaic virus (BYMV), using a polyclonal-based DAS-ELISA kit (Loewe ...
www.bspp.org.uk
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Preventive Measures
... as bovine spongiform encephalopathy (BSE). An adult Holstein cow in Washington state, imported from Canada, tested positive for the disease. In the mid-1990s, scientists discovered a link between BSE in cattle ... standards, about one in 2,000 beef cattle slaughtered are tested for BSE, but Japan is requiring all animals to be tested before the country will accept U.S. beef for import ...
www.cals.ncsu.edu

Home
... ‘Sum and Substance’ he had purchased and began having them tested by Dr. Lockhart. The ones showing the classic symptoms tested positive for HVX, but the more frightening news was yet to come. He sent samples of apparently clean and symptom-free plants from the same batches and they also tested positive. What ...
www.dvhosta.org

Forest Safety: Bird Flu Kills Cats
... swap genetic material and create new human-transferable viruses. January 2006: 21 people in Turkey tested positive for H5N1; 4 (all children) died. February 27, 2006: WHO cites 173 human bird-flu ...
www.icogitate.com

Sustainability Assessment of Fruit Crops for North and North Central Florida
... for successful culture of a given commodity is also an assessment of sustainability as is positive or negative impacts on the environment. Deciduous fruit industries in Florida have expanded and contracted ... in north Florida (Williamson and Lyrene, 2000). 'Georgiagem' (Austin and Draper, 1987) may also be tested in extreme north Florida. For more information, the reader is referred to Williamson and ...
edis.ifas.ufl.edu

Ammonia
... and NH3. NH4+ is called Ionized Ammonia because it has a positive electrical charge, and NH3 is called Unionized Ammonia since it has ... pH test, and a thermometer. When Should Ammonia Be Tested? Ammonia should be tested every 10 to 14 days in ponds, and at ... only measure the Total Ammonia Nitrogen (TAN). When this test is positive, producers can determine the fraction of toxic unionized ammonia (UIA) ...
edis.ifas.ufl.edu
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EXTOXNET PIP - ACETOCHLOR
... up to 300 mg/kg/day, the highest dose tested (209). Mutagenic Effects: In mutagenicity testing submitted by Monsanto, acetochlor was weakly positive in the CHO/HGPRT gene mutation assay with ... aberration studies (209). In mutagenicity tests conducted by ZENECA, acetochlor induced a repro-ducible, positive, mutagenic response in a strain of Salmonella typhimurium with metabolic activation at 100 ug/ ...
extoxnet.orst.edu

EXTOXNET PIP - BIFENTHRIN
... (11). Teratogenic Effects: Bifenthrin does not demonstrate any teratogenic effects at the highest levels tested (100 ppm, approximately 5.5 mg/kg/day) in a two-generational study in ... mutagenic effects from exposure to bifenthrin are inconclusive. Studies of mouse white blood cells were positive for gene mutation. However, other tests of bifenthrinÕs mutagenic effects, including the Ames test ...
extoxnet.orst.edu
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The following full paper can be accessed free
... tested for the absence of PNRSV. Every 5 years, the lot should be randomly tested for the absence of ArMV and SLRSV. Any plant showing virus symptoms or found positive on testing should be removed from the field immediately." My comment: Each year the seed lots are tested for PNRSV, but the other viruses are tested ...
home.neo.rr.com




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