Zobrazeno 1 - 10
of 21
pro vyhledávání: '"D Dahlsten"'
Autor:
D Dahlsten, K Daane, T Paine, K Sime, A Lawson, D Rowney, W Roltsch, A John, J Kabashima, D Shaw, K Robb, P Geisel, W Chaney, C Ingels, L Varela, M Bianchi, G Taylor
Publikováno v:
California Agriculture, Vol 59, Iss 4 (2005)
The red gum lerp psyllid is an insect native to Australia, where it feeds upon eucalyptus species. Since 1998 this psyllid has spread throughout California, resulting in millions of dollars in damage and control costs. To help suppress the red gum le
Externí odkaz:
https://doaj.org/article/1039df15ec6947fe84e4bd2b21381de4
Publikováno v:
California Agriculture, Vol 54, Iss 6 (2000)
Eucalyptus trees have been important components of the California urban landscape for almost 150 years. Until 1984, they were free of both insect and disease pests. In the last 16 years, however, a series of herbivorous insect species have been intro
Externí odkaz:
https://doaj.org/article/73ffaaf9de2a4f49aae79aceeb797c4f
Publikováno v:
California Agriculture, Vol 52, Iss 2 (1998)
The elm leaf beetle, first discovered in California in the 1920s, quickly became one of the state's major urban tree pests. In the past 15 years, monitoring methods have become integral to the design of the Integrated Pest Management program for the
Externí odkaz:
https://doaj.org/article/4b855e03b84043a6a097a97ae6f7b355
Publikováno v:
California Agriculture, Vol 52, Iss 1 (1998)
The blue gum psyllid was first discovered in North America in Monterey County in January 1991. Since then it has quickly spread throughout the California coastal area and has became a major pest on Eucalyptus palverulenta in commercial foliage planta
Externí odkaz:
https://doaj.org/article/abb2b5df2e3a4e40959a26822436a441
Publikováno v:
California Agriculture, Vol 52, Iss 1 (1998)
In 1992 a parasitoid native to Australia was introduced into California in a biological control program directed against the blue gum psyllid from Australia. Interviews with baby blue gum eucalyptus growers indicate that this program has had a benefi
Externí odkaz:
https://doaj.org/article/d954dfd0fbc349ba82805af99be1b62b
Publikováno v:
California Agriculture, Vol 49, Iss 4 (1995)
The eugenia psyllid has become a major pest of eugenia, a commonly used ornamental plant in the coastal counties of California. Attempts to control this insect with insecticides have been only partially successful. A biological control program was in
Externí odkaz:
https://doaj.org/article/94edf5da870b4daaa236895c9dc63d63
Publikováno v:
California Agriculture, Vol 45, Iss 2 (1991)
Elm leaf beetle control efforts in northern California can be effectively timed using temperature monitoring. Two available control methods are a new biological insecticide, and an insecticide applied as a bark band. Both methods help preserve the be
Externí odkaz:
https://doaj.org/article/a39ccba8971c421694de26816a256393
Publikováno v:
California Agriculture, Vol 32, Iss 7 (1978)
Using the “aggregation” approach to characterize groups of Ponderosa pines, researchers at the Blodgett Forest Research Station are studying the effects of thinning on beetle-caused mortality.
Externí odkaz:
https://doaj.org/article/142bf381d3aa4f188f209b162ad6e51f
Publikováno v:
California Agriculture, Vol 39, Iss 1 (1985)
Studies are focusing on pest biology and sampling methods to develop environmentally safe controls
Externí odkaz:
https://doaj.org/article/ace47e0e252b43979eb4fee45ff4cf35
Publikováno v:
California Agriculture, Vol 33, Iss 5 (1979)
California Agriculture - All Issues
Externí odkaz:
https://doaj.org/article/a4a1c8ff7efd4a04b5fb2b5fa22642eb