Zobrazeno 1 - 10 of 14 pro vyhledávání: '"R. J. Daum"'
1
Long-term Control of Grasshoppers12
Autor: R. J. Daum, F. E. Skoog, C. C. Blickenstaff
Publikováno v: Journal of Economic Entomology. 67:268-274
The length of protection from grasshoppers beyond the year an insecticide is applied was examined by using published and unpublished reports and the results of actual control programs in Wyoming. Of 9 studies that provided untreated check areas for c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02d54eed89d6ba5cbc84ead387bb4846
https://doi.org/10.1093/jee/67.2.268
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3
Designing Orchard Experiments for European Red Mite Control1
Autor: R. J. Daum, J. E. Dewey
Publikováno v: Journal of Economic Entomology. 53:892-898
Experiments based on preventive programs have created a need for satisfactory designs to evaluate acaricides under orchard conditions and to permit statistical summarization and interpretation of the results. The literature regarding mite sampling is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::875562d776a7c03ad16dbbed644983bb
https://doi.org/10.1093/jee/53.5.892
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4
A Red Dye to Evaluate Bait Formulations and to Mass Mark Field Populations of Boll Weevils123
Autor: F. C. Tingle, Marion R. Bell, E. P. Lloyd, G. H. McKibben, R. E. McLaughlin, J. R. McCoy, R. J. Daum, E. C. Burt, T. C. Cleveland
Publikováno v: Journal of Economic Entomology. 61:1440-1444
Calco Oil Red N-1700 dye was used to evaluate bait formulations both in the laboratory and in the field as well as to mass mark field populations of the boll weevil, Anthonomus grandis Boheman, attracted to a cottonseed-oil bait. The red dye permitte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec53c2c8fb2ed67f7062b83d32a43136
https://doi.org/10.1093/jee/61.5.1440
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5
Development of the Bait Principle for Boll Weevil Control: Calco Oil Red N-1700® Dye for Measuring Ingestion123
Autor: Gerald H. McKibben, R. J. Daum, R.E. McLaughlin, T. B. Davich
Publikováno v: Journal of Economic Entomology. 62:370-375
A simple and inexpensive technique for measuring ingestion by adult Anthonomus grandis Boheman is described. Identical results were obtained using both the chromic oxide method and a red dye (Calco Oil Red N-1700®). Recovery of dye injected into adu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b7acb09e8026be1d26eb26aab618823
https://doi.org/10.1093/jee/62.2.370
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6
Several aspects of growth, development and sapogenin yield of tubers ofdioscorea spiculiflora
Autor: J. R. Haun, J. W. Garvin, R. J. Daum, W. H. Preston
Publikováno v: Economic Botany. 18:323-328
Tubers ofDioscorea spiculiflora and some characteristics of their growth are described. Original weights of tuber pieces were directly correlated to subsequent tuber growth and to numbers of nodes and leaves produced. Plants grown in peat rarely exhi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1ac041e62d215d85c053a2d0aa85f2e
https://doi.org/10.1007/bf02862718
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7
Development of the Bait Principle for Boll Weevil Control: Cottonseed Oil, a Source of Attractants and Feeding Stimulants for the Boll Weevil123
Autor: R. J. Daum, D. D. Hardee, R.E. McLaughlin
Publikováno v: Journal of Economic Entomology. 60:321-325
Boll weevils, Anthonomus grandis Boheman, made almost as many feeding punctures in agar plugs treated with crude cottonseed oil as in those treated with a water extract of cotton squares (flower buds). In a field-cage experiment, almost 80% of the ad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af2b7538f0455de620ba83ef61cd8fd4
https://doi.org/10.1093/jee/60.2.321
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9
Addition of Food Acidulants to Increase Attractiveness to Boll Weevils1 of Bait Containing Cottonseed Oil2,3
Autor: Paul A. Hedin, G. H. McKibben, T. B. Davich, M. W. Laseter, R. J. Daum
Publikováno v: Journal of Economic Entomology. 64:583-585
Eight acids, used as food acidulants, when added to cottonseed oil baits used to attract Anthonomus grandis Boheman caused a significant increase (41–67%) in the amount ingested compared with the standard unfortified formulation. However, there wer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f67a6c21f598fb70be897409d1331c31
https://doi.org/10.1093/jee/64.3.583
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