EVALUATION OF A RAPID BIOASSAY FOR DIAGNOSING ENDOSULFAN RESISTANCE IN COFFEE BERRY BORER, HYPOTHENEMUS-HAMPEI (FERRARI) (COLEOPTERA, SCOLYTIDAE)

被引:9
作者
BRUN, LO
MARCILLAUD, C
GAUDICHON, V
SUCKLING, DM
机构
[1] Institut Français de Recherche Scientifique pour, Développement en Coopération (ORSTOM), Nouméa
[2] DSIR Plant Protection, Department of Scientific and Industrial Research, Christchurch
来源
TROPICAL PEST MANAGEMENT | 1991年 / 37卷 / 03期
关键词
COFFEE BERRY BORER; HYPOTHENEMUS-HAMPEI; ENDOSULFAN; RESISTANCE; TEMPERATURE;
D O I
10.1080/09670879109371587
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The responses of adult female Hypothenemus hampei resistant and susceptible to endosulfan were compared using a vapour exposure method at five temperatures, from 22-degrees-C to 34-degrees-C, for up to 10 h. Susceptible insects showed a rapid increase in mortality 2-4 h after exposure to concentrations above 100 ppm. Resistant insects were largely unaffected at all combinations of temperature and exposure time. The LC50 of susceptibles declined with temperature, indicating a positive temperature coefficient. The method is recommended for early and reliable detection of endosulfan resistance after 6 h, at 25-degrees-C, with a concentration of 400 ppm.
引用
收藏
页码:221 / 223
页数:3
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