Mortality of Bemisia tabaci Biotype B (Sternorrhyncha: Aleyrodidae) Adults by Aliphatic and Aromatic Synthetic Sucrose Esters

被引:4
作者
Alves, Mariangela [2 ]
Boscolo, Mauricio [3 ]
Fernandes, Odair Aparecido [1 ]
Nunes, Maria Andreia [1 ]
机构
[1] Univ Estadual Paulista, Dept Fitossanidade, BR-14884900 Jaboticabal, SP, Brazil
[2] Univ Estadual Paulista, Dept Tecnol, BR-14884900 Jaboticabal, SP, Brazil
[3] Univ Estadual Paulista, Dept Quim & Ciencias Ambientais, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil
基金
巴西圣保罗研究基金会;
关键词
Sucroesters; silverleaf whitefly; pest control; integrated pest management;
D O I
10.1590/S1516-89132008000600005
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The B-strain of Bernisia tabaci Gennadius is a key pest of several crops and chemical control is the main control method used by growers, although reduction in efficacy due to insecticide resistance has already beet? reported. The aim of this work was to investigate the insecticidal effect of all array of synthetic sucrose esters with the aliphatic and aromatic groups on whitefly adults. Sucrose butyrate, Caprate, octanoate, palmitate, oleate, octaacetate, phthalate, benzoate, and sucrose diacetate hexaisobutyrate were tested. The solutions were prepared and applied oil the adults caught on yellow sticky traps using the Potter spray tower. Long-chains sucrose aliphatic esters were more effective against the silverleaf whiteflies and the highest mortality was obtained with sucrose oleate and sucrose octanoate. Since these compounds were tensoactive, sodium dodecylsulphate was also tested for the comparison but no effect was observed. Sucrose butyrate and other aliphatic and aromatic sucrose polyesters showed negligible effect on the silverleaf whiteflies.
引用
收藏
页码:1115 / 1119
页数:5
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