Zobrazeno 1 - 10
of 24
pro vyhledávání: '"D. E. Simonet"'
Autor:
D. J. Morisak, D. E. Simonet
Publikováno v:
Journal of Economic Entomology. 75:43-46
Insecticide efficacy against diamondback moth, Plutella xylostella (L.), imported cabbageworm, Pieris rapae (L.), and cabbage looper, Trichoplusia ni (Hubner), on cabbage was investigated, using a threshold of 0.5 total larva per plant as a basis for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99b4c15ac6a9b9d8b003c75476f134c6
https://doi.org/10.1093/jee/75.1.43
https://doi.org/10.1093/jee/75.1.43
Autor:
D. E. Simonet, B. L. Davenport
Publikováno v:
Annals of the Entomological Society of America. 74:312-315
Laboratory studies were conducted to determine temperature thresholds and thermal requirements for development and reproduction of the carrot weevil, Listronotus oregonensis (LeConte), using a 16:8 L:D photoperiod and temperatures ranging from 7.2 to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04c6b9637eb2c96a05a3dbf7d930800e
https://doi.org/10.1093/aesa/74.3.312
https://doi.org/10.1093/aesa/74.3.312
Publikováno v:
Journal of Economic Entomology. 76:563-566
SIR 8514, 2-chloro-N-[[[trifluoromethoxypheny1];-amino]carbonyl]benzamide, a chitin synthesis inhibitor, was evaluated for control of Leptinotarsa decemlineata (Say) on potatoes. A series of plots was treated with SIR 8514 25% WP at times coinciding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d383bab8c5d11a64cb9fe36de774f53
https://doi.org/10.1093/jee/76.3.563
https://doi.org/10.1093/jee/76.3.563
Publikováno v:
Journal of Economic Entomology. 73:381-384
A method of soaking chrysanthemum cuttings and celery transplants in permethrin solutions was evaluated to determine efficacy and foliar residues. Plants were soaked in solutions containing 625–2500 ppm permethrin ± a surfactant, Hyamine 3500® Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9277538d139f9d5cf355f29546d1b78b
https://doi.org/10.1093/jee/73.3.381
https://doi.org/10.1093/jee/73.3.381
Autor:
D. E. Simonet, Robert L. Pienkowski
Publikováno v:
Journal of Economic Entomology. 72:428-431
Egg, nymphal, and adult populations of Empoasca fabae (Harris) were monitored in 2 fields in Montgomery Co., Va., during 1976 and 1977. Centigrade degree day (COD) accumulations for egg and nymphal development were related to alfalfa growth and harve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::734123a3ce9cd44c24232a658fe32f18
https://doi.org/10.1093/jee/72.3.428
https://doi.org/10.1093/jee/72.3.428
Autor:
D. E. Simonet, R. L. Pienkowski
Publikováno v:
The Canadian Entomologist. 111:481-486
Populations of potato leafhopper nymphs were sampled in two alfalfa fields throughout the summers of 1976 and 1977 in Montgomery County, Virginia. A dichlorvos-carton sampling method was used to collect nymphs from 3-stem alfalfa bouquets. Instars we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0d56119ce618050398ae6f6d44ec36f
https://doi.org/10.4039/ent111481-4
https://doi.org/10.4039/ent111481-4
Autor:
Robert L. Pienkowski, D. E. Simonet
Publikováno v:
Annals of the Entomological Society of America. 70:933-936
The distribution of the potato leafhopper, Empoasca fabae (Harris), eggs in alfalfa stems was studied in 2 fields in Montgomery Co., Va. to develop sampling plans for studies on leafhopper population dynamics. Stems collected in the field were cleare
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e76e7fa357f13ffd8c52234388f19b8
https://doi.org/10.1093/aesa/70.6.933
https://doi.org/10.1093/aesa/70.6.933
Publikováno v:
Journal of Economic Entomology. 77:476-482
Management programs involving the use of action thresholds to initiate insecticide treatments for controlling the complex of cabbage-feeding lepidopterous larvae were evaluated in comparison with a standard weekly spray program. Use of thresholds of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d301a4673a5f9c11cfe22929c1a9dd88
https://doi.org/10.1093/jee/77.2.476
https://doi.org/10.1093/jee/77.2.476
Publikováno v:
Environmental Entomology. 8:397-399
The relative efficiency of the D-Vac® suction insect collector as a sampling method for collection of potato leafhopper adults on alfalfa was compared with that of an emergence trap, drop trap, and sweep net. The D-Vac and drop trap techniques were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::752c0918b1a22a947712bab2e7bb79af
https://doi.org/10.1093/ee/8.3.397
https://doi.org/10.1093/ee/8.3.397
Autor:
D. E. Simonet, Robert L. Pienkowski
Publikováno v:
Environmental Entomology. 9:798-800
Development and mortality of the potato leafhopper [ Empoasca fabae (Harris)] were studied in the laboratory under constant temperature regimes. Lower thresholds for egg and nymphal development were 7.6 and 8.8°C, respectively, and the upper thresho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c999d1d3c52c3d4ce8d870dd98f2fbb7
https://doi.org/10.1093/ee/9.6.798
https://doi.org/10.1093/ee/9.6.798