Výsledky vyhledávání - "R. W. Sutherst"

The potential geographical distribution and phenology of

Autor: D J, Kriticos, P J, De Barro, T, Yonow, N, Ota, R W, Sutherst

Publikováno v: Bulletin of entomological research. 110(5)

The Bemisia tabaci species complex is one of the most important pests of open field and protected cropping globally. Within this complex, one species (Middle East Asia Minor 1, B. tabaci MEAM1, formerly biotype B) has been especially problematic, inv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::2eebc857d3c2b56a4b35e62d985669f6
https://pubmed.ncbi.nlm.nih.gov/32160930

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The effects of the brown ear-tick, Rhipicephalus appendiculatus, on milk production in dairy cattle

Autor: R A, Norval, R W, Sutherst, J D, Gibson, J D, Kerr, L M, Thorne, A, Ellenhauge

Publikováno v: Medical and Veterinary Entomology. 11:155-158

The effect is reported of artificially controlled levels of infestation with adults of Rhipicephalus appendiculatus on the milk yield of twenty commercial Bos taurus dairy cattle on a high plane of nutrition and eighteen crossbred B.taurus x Sanga ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d196463466a7d7198705566f0bf8f43
https://doi.org/10.1111/j.1365-2915.1997.tb00306.x

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The effects of the bont tick, Amblyomma hebraeum, on milk production of Sanga and Sanga x Brahman cattle

Autor: R. W. Sutherst, R. A. I. Norval, O. G. Jorgensen, J. D. Kerr

Publikováno v: Medical and Veterinary Entomology. 11:143-147

The effects of adults of the bont tick. Amblyomma hebraeum on the milk production of Sanga and Sanga x zebu (Brahman) cattle were measured over a period of I I weeks in the lowveld of Zimbabwe in the summer of 1986. Four groups of lactating cows, con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::074c02c55a774fb208b491f871078a31
https://doi.org/10.1111/j.1365-2915.1997.tb00304.x

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The effects of the brown ear-tick, Rhipicephalus appendiculatus, on milk production of Sanga cattle

Autor: R. W. Sutherst, J. D. Kerr, J.D. Gibson, J. Kurki, R. A. I. Norval

Publikováno v: Medical and Veterinary Entomology. 11:148-154

Lactating Sanga cows of the Mashona breed from Zimbabwe, receiving either a low or high level of nutritional supplement, were exposed to two levels of infestation of adults of the brown ear-tick, Rhipicephalus appendiculatus in the highveld of Zimbab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baac06a3dd3ed7fed2913dd4167d1f12
https://doi.org/10.1111/j.1365-2915.1997.tb00305.x

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Agriculture. Right-sizing stem-rust research

Autor: P G, Pardey, J M, Beddow, D J, Kriticos, T M, Hurley, R F, Park, E, Duveiller, R W, Sutherst, J J, Burdon, D, Hodson

Publikováno v: Science (New York, N.Y.). 340(6129)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1b4fde224062a7a4b972133e31cf0bca
https://pubmed.ncbi.nlm.nih.gov/23580514

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From CLIMEX to PESKY, a generic expert system for pest risk assessment

Autor: G. F. Maywald, R. W. Sutherst, W. Bottomley

Publikováno v: EPPO Bulletin. 21:595-608

CLIMEX, a climate-matching model, is described in relation to pest risk assessment. The rationale for the development Of CLIMEX is given and its various functions are illustrated with examples, using the Colorado beetle Leptinotarsa decemlineata. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68696354fd8e4e998287db0f3b72c2f6
https://doi.org/10.1111/j.1365-2338.1991.tb01293.x

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Infestations of the bont tick Amblyomma hebraeum (Acari: Ixodidae) on different breeds of cattle in Zimbabwe

Autor: R. A. I. Norval, J. D. Kerr, R. W. Sutherst

Publikováno v: Experimentalapplied acarology. 20(10)

Infestations of adults and nymphs of Amblyomma hebraeum were counted on Brahman (Br), Brahman x Simmental (BS), Sanga (Sa) and Hereford (He) steers exposed to infested pastures at Mbizi in southern Zimbabwe in 1986-1987. Herefords were always the mos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16f8326576b221a839e8c934682e9825
https://pubmed.ncbi.nlm.nih.gov/8952073

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Arthropods as disease vectors in a changing environment

Autor: R W, Sutherst

Publikováno v: Ciba Foundation symposium. 175

Arthropod vectors need to acquire energy, moisture, hosts and shelter from their environment. Changing human populations and industrialization affect almost every aspect of the environment. In particular, the prospects of climatic warming, urbanizati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::416f198a1bd931360f06f1305ea8281a
https://pubmed.ncbi.nlm.nih.gov/8222987

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An Australian record of the American dog tick Dermacentor variabilis, and the risk of its establishment outside North America

Autor: R. W. Sutherst, R. B. Halliday

Publikováno v: Experimentalapplied acarology. 8(1-2)

A living female of Dermacentor variabilis (Say) was collected in Canberra, Australia, on a human who had recently returned from the U.S.A. Climatic data indicate that this could become established in eastern Australia and many other parts of the worl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72c1f897a78f5639ba54980c40c31eb8
https://pubmed.ncbi.nlm.nih.gov/2307072

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