نتایج جستجو برای: migratory pests

تعداد نتایج: 25791  

Journal: :Bulletin of the Entomological Society of America 1982

2017
David P.L. Toews Kira E. Delmore Matthew M. Osmond Philip D. Taylor Darren E. Irwin

BACKGROUND Zones of contact between closely related taxa with divergent migratory routes, termed migratory divides, have been suggested as areas where hybrid offspring may have intermediate and inferior migratory routes, resulting in low fitness of hybrids and thereby promoting speciation. In the Rocky Mountains of Canada there is a narrow hybrid zone between Audubon's and myrtle warblers that ...

Journal: :PLoS ONE 2007
Tara G. Martin Iadine Chadès Peter Arcese Peter P. Marra Hugh P. Possingham D. Ryan Norris

BACKGROUND Migratory animals comprise a significant portion of biodiversity worldwide with annual investment for their conservation exceeding several billion dollars. Designing effective conservation plans presents enormous challenges. Migratory species are influenced by multiple events across land and sea-regions that are often separated by thousands of kilometres and span international border...

2017
Ok-Kyung Kim Tadashi Ishikawa Yoshihiro Yamada Takuma Sato Hirosuke Shinohara Ken Takahata

BACKGROUND The solanaceous fruit crop pepino (Solanum muricatum Ait.), originating in the Andes, is grown commercially in South American countries and New Zealand. In these areas, pests and diseases of pepino have been identified well; however, to date, these have seldom been investigated in detail in Japan. Herein, we attempt to reconstruct an agricultural production system for commercial pepi...

2005
Gerald Wilde Kraig Roozeboom Mark Claassen Keith Janssen Merle Witt

Various seed treatments were evaluated for their effect on early-season corn pests. Imidacloprid at low and high rates (Gaucho and Prescribe , respectively) and thiamethoxam (Cruiser ) at low and high rates were effective in reducing populations and exhibited systemic insecticidal activity against chinch bugs, flea beetle, wireworm, white grub, and southern corn leaf beetle. Another systemic ne...

Journal: :Scientific American 1894

Journal: :Bulletin of the Entomological Society of America 1978

Journal: :Bulletin of the Entomological Society of America 1965

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