Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Kenneth S. Hagen"'
Publikováno v:
California Agriculture, Vol 47, Iss 6, Pp 19-23 (1993)
Augmentative releases of green lacewings suppressed variegated grape leafhopper in experimental plots and commercial vineyards; however, effectiveness varied greatly. Field studies show that improved release methods and a better understanding of lace
Externí odkaz:
https://doaj.org/article/0c1009d0408049689a37e06ee8ca45d8
Autor:
Kent Daane, Glenn Yokota, Richard F. Gill, Leopoldo E. Caltagirone, Kenneth S. Hagen, Dan Gonzalez, Petr Stary, William E. Chaney
Publikováno v:
California Agriculture, Vol 46, Iss 6, Pp 12-14 (1992)
The parasite Trioxys brevicornis was imported from Czechoslovakia and released in California to help control the European asparagus aphid. Field performance of this parasitic wasp indicates it has potential to become permanently established in Cali
Externí odkaz:
https://doaj.org/article/ea5c7a11fa914e7ebd0c2413162a556d
Publikováno v:
American Entomologist. 46:26-38
The commercialization of natural enemies and their increased use in pest management present applied entomologists and ecologists with formidable challenges. A response to these challenges requires reducing the cost of mass-rearing and manipulating na
Publikováno v:
BioControl. 45:269-284
Parasitized black scale, Saissetia oleae, were collected from olives(Olea europaea L.) in Spain and from thismaterial an encyrtid parasitoid was reared that istaxonomically similar to Metaphycus anneckeiGuerrieri and Noyes. Differences were noted bet
Publikováno v:
Environmental Entomology. 25:1224-1234
The effectiveness of inundative release of common green lacewing, Chrysoperla carnea , (Stephens) to suppress 2 vineyard pests, Erythroneura variabilis Beamer and western grape leafhopper, E. elegantula Osborn, was examined in small-plot and on-farm
Publikováno v:
California Agriculture, Vol 47, Iss 6, Pp 19-23 (1993)
Augmentative releases of green lacewings suppressed variegated grape leafhopper in experimental plots and commercial vineyards; however, effectiveness varied greatly. Field studies show that improved release methods and a better understanding of lace
Autor:
Glenn Y. Yokota, Dan Gonzalez, William E. Chaney, Richard F. Gill, Leopoldo E. Caltagirone, Petr Stary, Kenneth S. Hagen, Kent M. Daane
Publikováno v:
California Agriculture, Vol 46, Iss 6, Pp 12-14 (1992)
The parasite Trioxys brevicornis was imported from Czechoslovakia and released in California to help control the European asparagus aphid. Field performance of this parasitic wasp indicates it has potential to become permanently established in Califo
Autor:
Kenneth S. Hagen, Richard Garcia
Publikováno v:
Annals of the Entomological Society of America. 80:267-271
Adult dytiscid water beetles, Agabus disintegratus (Crotch), were recovered in a dormant state from the root soil interface of bermudagrass, Cynodon dactylon L.; dallisgrass, Paspalum dilitatum (Poir); common cattails, Typha latifolia L.; and hardste
Publikováno v:
Hilgardia. 43:53-78
Alfalfa fields in two climatically different regions were sampled for aphids and their natural enemies throughout 3 years (1957-1959). The fields were under an integrated control program and therefore received minimum amounts of insecticides. The fou
Publikováno v:
Hilgardia. 29:81-101
Chemical and biological control are regarded as two main methods of suppressing insects and spider mites. These two methods are often thought of as alternatives in pest control. This is not necessarily so, for with adequate knowledge they can be made