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The science of pterygia
Pterygium is an ocular surface disease of humans attributed to chronic ultraviolet-B exposure. Clinically, the condition involves invasive centripetal growth with associated inflammation andExpand
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STUDIES OF THE MECHANISM OF TRANSMISSION OF POTATO VIRUS Y BY THE GREEN PEACH APHID, MYZUS PERSICAE (SULZ.) (HOMOPTERA: APHIDAE)
Wingless adults of Myzus persicae (Sulz.) usually ceased to be infective within minutes and always within hours after leaving tobacco infected with potato virus Y, the time being longer when theExpand
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Spread of Potato Virus Y curtailed by Oil
APHIDS continue to spread stylet-borne viruses despite present-day insecticides1. The finding that aphids carrying potato virus Y seldom transmit it after probing a surface lightly coated with oilExpand
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Aphid transmission of potato virus Y inhibited by oils.
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Aphids can inoculate plants with tobacco mosaic virus by clawing.
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Effects of depth of stylet penetration on aphid transmission of potato virus Y.
  • R. Bradley
  • Biology, Medicine
  • Canadian journal of microbiology
  • 1 October 1956
The aphid Myzus persicae (Sulz.) most often became infective with potato virus Y on inserting the stylets only superficially into infected tobacco plants after a period without food; the further theExpand
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SOME WAYS IN WHICH A PARAFFIN OIL IMPEDES APHID TRANSMISSION OF POTATO VIRUS Y
In laboratory tests with a light white paraffin oil, transmission of potato virus Y by viruliferous adults of Myzus persicae (Sulz.) was impeded by (a) allowing aphids to probe on a leaf coated withExpand
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Response of the Aphid Myzus persicae (Sulz.) to Some Fluids Applied to the Mouthparts
Many insects ingest food through needlelike mouthparts adapted for piercing. The piercing organ itself usuallv consists of four or more chitinous stylets and is thought to be nonliving. It wasExpand
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Effects of trichothecin on some viruses transmitted by aphids.
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Misses in potato crops in New Brunswick in 1973; their extent, distribution and cause
The use of aerial photography as a survey tool for estimating misses in potato crops proved satisfactory. The average crop had 32% misses; in six of the 25 crops the misses were more aggregated thanExpand
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