نتایج جستجو برای: aleyrodidae

تعداد نتایج: 1007  

Journal: :Journal of economic entomology 2003
Won-Il Choi Eun-Hee Lee Byeoung-Ryeol Choi Hyung-Man Park Young-Joon Ahn

A total of 53 plant essential oils were tested for their insecticidal activities against eggs, nymphs, and adults of Trialeurodes vaporariorum Westwood, using an impregnated filter paper bioassays without allowing direct contact. Responses varied according to oil type and dose, and developmental stage of the insect. Bay, caraway seed, clove leaf, lemon eucalyptus, lime dis 5 F, pennyroyal, pepp...

2017
Peter C. Krauter Kevin M. Heinz Steven Arthurs

In North America, the sweetpotato whitefly, Bemisia tabaci Genn., is an important pest of greenhouse poinsettia. Growers have limited options to control this pest during propagation of cuttings, which are rooted under mist for several weeks. Early establishment of this pest increases the difficulty of managing the whitefly and retaining high aesthetic standard during the remaining crop producti...

Journal: :Journal of invertebrate pathology 2001
W B Hunter C P Patte X H Sinisterra D S Achor C J Funk J E Polston

Adult whiteflies, Bemisia tabaci (Gennadius), collected from the field were screened for viral pathogens using a cell line from the silverleaf whitefly, B. tabaci, B biotype (syn. B. argentifolii). Homogenates from the field-collected whiteflies were applied to cell cultures and checked for cytopathic effects (CPE). Cells were observed to develop cytoplasmic inclusions and to have a change in m...

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