Zobrazeno 1 - 10
of 18
pro vyhledávání: '"P.B. Burrus"'
Autor:
P.B. Burrus, D.W. Williams
Publikováno v:
HortScience. 39:398-402
Perennial ryegrass (PR) (Lolium perenne L.) is often used as a low-mowed turf in the transition climatic zone. However, control of the fungal disease gray leaf spot (Pyricularia grisea (Cooke) Sacc.) has drastically increased the cost of PR managemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8758f4284f53b36f9f579dac5143c18a
https://doi.org/10.21273/hortsci.39.2.398
https://doi.org/10.21273/hortsci.39.2.398
Publikováno v:
Applied Animal Behaviour Science. 42:231-248
Cattle grazing in the presence of low-level infestations of stable flies (Stomoxys calcitrans L.) may offset reductions of grazing time by increasing their rate of herbage intake, and this may contribute to the determination of economic threshold pop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::531e3658a21068b90d6dabeef5c57b57
https://doi.org/10.1016/0168-1591(94)00546-q
https://doi.org/10.1016/0168-1591(94)00546-q
Publikováno v:
Applied Animal Behaviour Science. 40:113-127
Grazing beef cows ( Bos taurus L.) were exposed to stable fly ( Stomoxys calcitrans L.) and their reactions were related to ingestive behavior. Three concatenated latin squares (4 × 4) were used to evaluate the effects of stable flies on the behavio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e07e4a4aa05192ca4cde5816d49967ea
https://doi.org/10.1016/0168-1591(94)90076-0
https://doi.org/10.1016/0168-1591(94)90076-0
Publikováno v:
Applied Animal Behaviour Science. 38:191-212
A change-over statistical design with complete balance for first residual effects was used with a tethered grazing technique to evaluate the effects of arthropod ectoparasites on the behaviour of adult Angus beef cows (Bos taurus L.; body-weight (BW)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::259a0e2b3f1fd5ba65dbfb8cb3cef022
https://doi.org/10.1016/0168-1591(93)90019-l
https://doi.org/10.1016/0168-1591(93)90019-l
Publikováno v:
Applied Animal Behaviour Science. 35:313-326
Ectoparasites, at or above certain levels, usually reduce productivity of infested livestock, however the causative processes are often poorly defined. Irritation from non-biting flies may, for example, interfere with grazing behavior and reduce herb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f11256bff60182acea21b270047d9ce5
https://doi.org/10.1016/0168-1591(93)90083-2
https://doi.org/10.1016/0168-1591(93)90083-2
Autor:
J.G. Burg, N. W. Bradley, P. L. Cornelius, P.B. Burrus, D.C. Willis, C. T. Dougherty, Fred W. Knapp
Publikováno v:
Applied Animal Behaviour Science. 35:215-233
A change-over design with complete balance for first residual effects was used with a tethered grazing technique to evaluate the effects of arthropod ectoparasites on the behavior of adult Angus beef cows ( Bos taurus ) (body weight (BW), 465 ± 30 k
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de6417421bab9e79ef5aa4944e600e3e
https://doi.org/10.1016/0168-1591(93)90138-f
https://doi.org/10.1016/0168-1591(93)90138-f
Autor:
P.B. Burrus, James W. Hendrix, Myra Chu-Chou, Zhiqiang An, R. S. Ferriss, C. T. Dougherty, Baozhu Guo, Malcolm R. Siegel
Publikováno v:
Soil Biology and Biochemistry. 24:633-637
Propagule population densities of the nine mycorrhizal species detected in field plots planted to tall fescue free of the Acremonium coenophialum endophyte were more than double those in plots planted to fescue heavily infected with Acremonium . Seed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03ec2815c1da070121e902c3dec225ef
https://doi.org/10.1016/0038-0717(92)90041-u
https://doi.org/10.1016/0038-0717(92)90041-u
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