Zobrazeno 1 - 10
of 120
pro vyhledávání: '"J. F. Longworth"'
Autor:
J. F. Longworth, G. P. Carey
Publikováno v:
Journal of General Virology. 47:431-438
Summary An indirect sandwich enzyme-linked immunosorbent assay (ELISA) was developed to detect the baculovirus of Oryctes rhinoceros in purified virus preparations and in extracts of O. rhinoceros larvae and adults collected in the field in Tonga. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00df055c5ae8d07cdd0c4084198b74b0
https://doi.org/10.1099/0022-1317-47-2-431
https://doi.org/10.1099/0022-1317-47-2-431
Autor:
J. F. Longworth
Publikováno v:
New Zealand Entomologist. 10:8-13
Further information on current legislation in New Zealand covering biocontrol, and the introduction of exotic biota is presented. The history of DSIR's gorse biocontrol programme is reviewed and an account is given of a detailed evaluation by DSIR of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b725e7e611551e39ed271c890c980e24
https://doi.org/10.1080/00779962.1987.9722505
https://doi.org/10.1080/00779962.1987.9722505
Autor:
J. F. Longworth
Publikováno v:
New Zealand Entomologist. 10:1-7
Biological control of insect and weed pests of agriculture, horticulture, and forestry in New Zealand has a long history. It is carried out according to accepted international protocols and within a framework of procedures established by several Acts
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e66041494e962cc0254a95ae1fa96e4a
https://doi.org/10.1080/00779962.1987.9722504
https://doi.org/10.1080/00779962.1987.9722504
Autor:
G. P. Carey, J. F. Longworth
Publikováno v:
Journal of General Virology. 33:31-40
Summary Some properties of a small RNA virus isolated from larvae of Heteronychus arator [Coleoptera: Scarabaeidae] are described. The virus develops in the cytoplasm of gut and fat body cells and is 30 nm in diameter. The sedimentation coefficient o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::531e3bd483d5244d7821bb21bc1da11d
https://doi.org/10.1099/0022-1317-33-1-31
https://doi.org/10.1099/0022-1317-33-1-31
Autor:
R. D. Archibald, J. F. Longworth
Publikováno v:
New Zealand Journal of Zoology. 2:233-236
During a survey for pathogens of black beetle, high mortality was observed in a population in kikuyu pasture at Wharepapa, near Helensville. Several pathogens were isolated from larvae and adults, including a protozoan (possibly Adelina sp.), a ricke
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0991f87dde6815fcacd8aa5e96e5ac7c
https://doi.org/10.1080/03014223.1975.9517874
https://doi.org/10.1080/03014223.1975.9517874
Autor:
J. M. Thresh, J. F. Longworth
Publikováno v:
Annals of Applied Biology. 52:217-224
SUMMARY Two brief field trials in Western Nigeria compared the effects of infection by a virulent strain of swollen-shoot virus on growth of West African Amelonado cacao with those on other types. These included hybrid progenies from crosses with Upp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1ca33d062f7234e278f4b27cc1136b6
https://doi.org/10.1111/j.1744-7348.1963.tb03745.x
https://doi.org/10.1111/j.1744-7348.1963.tb03745.x
Autor:
G. H. Freeman, J. F. Longworth
Publikováno v:
Journal of Horticultural Science. 38:61-67
The relation between trunk girth and yield has been examined for Amelo- nado cocoa trees derived from seed and of different ages. It has been found that, with increasing age of the trees, correlations of yield with trunk girth tend to decrease, but c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf5dab88958bd6fd079c195574b0ac60
https://doi.org/10.1080/00221589.1963.11514060
https://doi.org/10.1080/00221589.1963.11514060
Autor:
J. F. Longworth, J. M. Thresh
Publikováno v:
Annals of Applied Biology. 52:117-124
SUMMARY Graft tests were used to investigate the reaction of different cacao types to infection with swollen-shoot virus. Budlings of all the clones in Nigeria were infected with virulent isolates so that the sequence of symptom expression could be f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da30984ab59ecdfbc07ab0746435fe42
https://doi.org/10.1111/j.1744-7348.1963.tb03733.x
https://doi.org/10.1111/j.1744-7348.1963.tb03733.x
Publikováno v:
Journal of General Virology. 18:119-125
Summary Some properties of a small RNA virus isolated from larvae of Gonometa podocarpi (Lepidoptera:Lasiocampidae) are described. The virus develops in the cytoplasm of gut and fat body and is 32 nm in diameter. The sedimentation coefficient of viru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7a0fc281e3e967bcd03bd7023da9b58
https://doi.org/10.1099/0022-1317-18-2-119
https://doi.org/10.1099/0022-1317-18-2-119
Publikováno v:
Journal of General Virology. 3:167-174
Summary A non-occluded virus of Galleria mellonella was purified using a chloroform+butanol treatment followed by sucrose gradient centrifugation. Purified virus and top component were produced in proportions of 1:3; their diameters were approximatel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f6fae55a5666ef397fe7399a1150e77
https://doi.org/10.1099/0022-1317-3-2-167
https://doi.org/10.1099/0022-1317-3-2-167