Zobrazeno 1 - 10
of 20
pro vyhledávání: '"B. Roger Leonard"'
Publikováno v:
Weed Science. 52:178-182
Field research was conducted in 1999 and 2000 to determine the effect of reduced glyphosate rates on growth and yield of nonglyphosate-resistant cotton. Rates of 9, 18, 35, 70, 140, and 280 g ha−1, representing 0.008, 0.016, 0.031 0.063, 0.125, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89eb3d22313ef39434414b2a46ef8ed7
https://doi.org/10.1614/p2002-089
https://doi.org/10.1614/p2002-089
Autor:
Gary L. Lentz, B. Roger Leonard, Jack T. Reed, Barry L. Freeman, Gary A. Herzog, Eugene Burris, D. R. Cook, Charles T. Allen
Publikováno v:
Journal of Entomological Science. 38:669-681
The common species of thrips that are considered pests of cotton, Gossypium hirsutum (L.), include flower thrips, Frankliniella tritici (Fitch); tobacco thrips, Frankliniella fusca (Hinds); western flower thrips, Frankliniella occidentalis (Pergande)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84e8730f4909c6493415350b556a2bcc
https://doi.org/10.18474/0749-8004-38.4.669
https://doi.org/10.18474/0749-8004-38.4.669
Publikováno v:
Weed Science. 51:781-785
Field research was conducted for 2 yr to determine the effect of reduced rates of glufosinate on growth and yield of non–glufosinate-resistant cotton. Rates of 3.4, 6.7, 13, 26.5, 52.5, and 105 g ha−1, representing 0.008, 0.016, 0.031, 0.063, 0.1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e948a8ba5300651dbda4aa301f8b5e4
https://doi.org/10.1614/p2002-132
https://doi.org/10.1614/p2002-132
Publikováno v:
Weed Science. 51:786-791
Field research was conducted for 2 yr to determine the effects of reduced rates of bromoxynil on growth and yield of non–bromoxynil-resistant cotton. Rates of 4.5, 9, 17, 35, 70, and 140 g ha−1, representing 0.008, 0.016, 0.031, 0.063, 0.125, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13db189d3a00045fc3cbee43319efd0e
https://doi.org/10.1614/p2002-100
https://doi.org/10.1614/p2002-100
Publikováno v:
Pesticide Science. 40:239-243
Two experimental insecticides, AC 303,630 and MK 244, were tested against a laboratory colony and three field strains of Pseudoplusia includens (Walker). Topical application bioassays indicated that permethrin resistance in the field strains ranged f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c1a264e2d8ed09702d01ce62f266b85
https://doi.org/10.1002/ps.2780400311
https://doi.org/10.1002/ps.2780400311
Publikováno v:
Journal of Economic Entomology. 83:672-677
Soybean looper, Pseudoplusia includens (Walker), larvae collected from a field where permethrin failed to provide adequate control and for which a reduction in susceptibility to permethrin had been demonstrated (3-fold at LC50) were compared with an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::072f90ec089919838f2486445c99baf3
https://doi.org/10.1093/jee/83.3.672
https://doi.org/10.1093/jee/83.3.672
Autor:
Jeffrey S. Mink, B. Roger Leonard, Alan T. Wier, James D. Thomas, David J. Boernel, Fernando Gallardo
Publikováno v:
Pest Management in Soybean ISBN: 9781851668748
The soybean looper, Pseudoplusia includens (Walker), ranks among the most important of the multitude of pests that threaten soybean annually in the southern United States. With the documentation of resistance to permethrin in 1987, this insect pest h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67a5eaa176c5ee9bae6c524c57d96ed7
https://doi.org/10.1007/978-94-011-2870-4_7
https://doi.org/10.1007/978-94-011-2870-4_7
Publikováno v:
Arthropod Management Tests. 20:252-252
The efficacy of several experimental insecticides that consist of pyrrole or avermectin chemistry, or exhibit insect growth regulator activity were evaluated against the soybean looper (SBL) on soybean in a small plot insecticide screening trial at t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc7df1cf3194f21dcb5e9ff8cd437ee7
https://doi.org/10.1093/amt/20.1.252
https://doi.org/10.1093/amt/20.1.252
Publikováno v:
Arthropod Management Tests. 19:274-274
Two field experiments were conducted to evaluate control of soybean looper and beet armyworm on soybean with several insecticides. In Test 1, insecticides were applied to plots measuring 15.2 m long × 8 rows (0.5 m spacing) located at the Northeast
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aac5f268d8bac863b8c9ffd1bd72ed32
https://doi.org/10.1093/amt/19.1.274
https://doi.org/10.1093/amt/19.1.274
Publikováno v:
Insecticide and Acaricide Tests. 18:277-277
A small plot insecticide screening trial was conducted at the Macon Ridge Branch of the Northeast Research Station near Winnsboro, LA, to evaluate the efficacy of selected insecticides for control of TCAH. Plots measuring 12.2 m by 4 rows (1.02 m row
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19d04ba40739937061ca61ec87e31496
https://doi.org/10.1093/iat/18.1.277
https://doi.org/10.1093/iat/18.1.277