Zobrazeno 1 - 7
of 7
pro vyhledávání: '"F. L. Jensen"'
Publikováno v:
California Agriculture, Vol 19, Iss 4, Pp 4-5 (1965)
Preliminary results of field studies on economic treatment levels for control of grape leafhoppers indicate that many growers in the San Joaquin Valley use insecticides unnecessarily because they lack accurate knowledge of insect population levels. T
Externí odkaz:
https://doaj.org/article/ef7312e62cfb4c1d9798afb7c8c25478
Publikováno v:
California Agriculture, Vol 19, Iss 4, Pp 10-11 (1965)
Properly timed applications of Thiodan or Dibrom are currently effective for use in controlling the grape leafhopper. However, the past record of resistance problems that have developed with other insecticides indicates that it is only a question of
Externí odkaz:
https://doaj.org/article/bda56484fc634d5eab92de5ed2b4bcd5
Publikováno v:
California Agriculture, Vol 19, Iss 4, Pp 7-7 (1965)
Rapid and accurate surveying for grape leafhopper population levels is essential to a decision for necessity of insecticide treatment within an integrated pest control program. These Tulare County studies indicate that counting the nymphs on only two
Externí odkaz:
https://doaj.org/article/2f38873698c14c16986d57fd7228966a
Autor:
Curtis D. Lynn, F. L. Jensen
Publikováno v:
American Journal of Enology and Viticulture. 17:283-289
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39ac1779dcfd7d89cab4d1f2041dfbb0
https://doi.org/10.5344/ajev.1966.17.4.283
https://doi.org/10.5344/ajev.1966.17.4.283
Publikováno v:
California Agriculture, Vol 19, Iss 4, Pp 10-11 (1965)
Properly timed applications of Thiodan or Dibrom are currently effective for use in controlling the grape leafhopper. However, the past record of resistance problems that have developed with other insecticides indicates that it is only a question of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43547dc5084f7c5798601ee600625892
https://doi.org/10.3733/ca.v019n04p10
https://doi.org/10.3733/ca.v019n04p10
Autor:
M. T. Aliniazee, F. L. Jensen
Publikováno v:
Journal of Economic Entomology. 66:157-158
The effectiveness of three commercial preparations of Bacillus thuringiensis Berliner was compared with the standard insecticide carbaryl for control of Desmia funeralis (Hubner). Both spray and dust treatments of all 3 preparations of B. thuringiens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52af66ce9fa11bbd900a8acd1a258a8b
https://doi.org/10.1093/jee/66.1.157
https://doi.org/10.1093/jee/66.1.157
Publikováno v:
California Agriculture, Vol 19, Iss 4, Pp 7-7 (1965)
Rapid and accurate surveying for grape leafhopper population levels is essential to a decision for necessity of insecticide treatment within an integrated pest control program. These Tulare County studies indicate that counting the nymphs on only two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50656830b8ae2efaf9f358c2b5d5448a
https://doi.org/10.3733/ca.v019n04p7
https://doi.org/10.3733/ca.v019n04p7