Results 171 to 180 of about 2,431 (199)
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Journal of Small Fruit & Viticulture, 1996
ABSTRACT Natural infestations of blueberry gall midge (Dasineu-ra oxycoccana Johnson) on blueberries were studied in Florida and southeastern Georgia for three flowering seasons (1992-1994). If high populations of adult midges were present when the flower buds were beginning to expand, many rabbiteye cultivars suffered 50% to 100% crop loss.
Paul M. Lyrene, Jerry A. Payne
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ABSTRACT Natural infestations of blueberry gall midge (Dasineu-ra oxycoccana Johnson) on blueberries were studied in Florida and southeastern Georgia for three flowering seasons (1992-1994). If high populations of adult midges were present when the flower buds were beginning to expand, many rabbiteye cultivars suffered 50% to 100% crop loss.
Paul M. Lyrene, Jerry A. Payne
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1992
The saddle gall midge (Haplodiplosis marginata (von Roser)) is associated with frequent cereal growing on heavy land. It is widely distributed in most European at Alford, Lincolnshire, in 1889. Sub-economic levels are now common throughout the Midlands and in eastern England from Yorkshire to Kent.
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The saddle gall midge (Haplodiplosis marginata (von Roser)) is associated with frequent cereal growing on heavy land. It is widely distributed in most European at Alford, Lincolnshire, in 1889. Sub-economic levels are now common throughout the Midlands and in eastern England from Yorkshire to Kent.
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1992
The chrysanthemum gall midge (Rhopalomyia chrysanthemi (Ahlberg)) was first noticed in 1915 in North America as a serious pest of glasshouse chrysanthemum. The first two outbreaks in England were in 1927 and 1936, and were traced to chrysanthemums imported from the United States.
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The chrysanthemum gall midge (Rhopalomyia chrysanthemi (Ahlberg)) was first noticed in 1915 in North America as a serious pest of glasshouse chrysanthemum. The first two outbreaks in England were in 1927 and 1936, and were traced to chrysanthemums imported from the United States.
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2016
Many of the white umbels of wild carrot (Daucus carota, Apiaceae), also known as Queen Anne’s Lace, are decorated by a group of modified flowers in their center. The modified flowers are very dark, ranging when mature from very dark purple to black (Fig. 62.1). Another member of the family, Artedia squamata also has such dark central flowers (Fig. 62.2)
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Many of the white umbels of wild carrot (Daucus carota, Apiaceae), also known as Queen Anne’s Lace, are decorated by a group of modified flowers in their center. The modified flowers are very dark, ranging when mature from very dark purple to black (Fig. 62.1). Another member of the family, Artedia squamata also has such dark central flowers (Fig. 62.2)
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Galls on galls: A hypergall‐inducing midge and its parasitoid community
Ecology, 2023Quinlyn Baine +4 more
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Evaluation of At-Planting Soil Treatment Thimet Against Soybean Gall Midge, 2020
Arthropod Management Tests, 2021Anthony J Mcmechan, Whitney Crow
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Evaluation of Foliar Treatments Against Soybean Gall Midge, 2020
Arthropod Management Tests, 2022Anthony J Mcmechan +2 more
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