FORAGING BEHAVIOR OF HONEY-BEES (APIS-MELLIFERA L) ON TRANSGENIC OILSEED RAPE (BRASSICA-NAPUS L VAR OLEIFERA)

被引:37
作者
PICARDNIZOU, AL
PHAMDELEGUE, MH
KERGUELEN, V
MARILLEAU, R
OLSEN, L
GRISON, R
TOPPAN, A
MASSON, C
机构
[1] SANOFI RECH,LABEGE INNOPOLE,F-31676 LABEGE,FRANCE
[2] RUST PROGRAIN GENET,F-31700 MONDONVILLE,FRANCE
关键词
TRANSGENIC OILSEED RAPE (BRASSICA NAPUS); RISK ASSESSMENT; HONEY BEE (APIS MELLIFERA); FORAGING BEHAVIOR; NECTAR SECRETION;
D O I
10.1007/BF01969121
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The impact of genetically modified oilseed rape (Brassica napus L.) on the foraging behaviour of honey bees (Apis mellifera L.) was evaluated on two different lines transformed to express constitutively heterologous chitinase in somatic tissue for enhanced disease resistance. Experiments were conducted in confinement in an indoor flight room with controlled conditions and in an outdoor night cage with conditions more representative of the open environment. Foraging behaviour was analysed by observations of general bee behaviour (total number of visits) and of individual bee behaviour (using a video camera coupled with a special software program to process the data). The plants were analysed in terms of nectar quantity and quality (nectar volume and sugar content). The results showed no effects on bee foraging behaviour due to the modification of the genome of these plants by the introduction of a chitinase gene even though some differences between lines were found in the nectar. The methods applied in this original approach for the evaluation of the impact of genetically modified oilseed rape were shown to be sufficiently sensitive to detect changes in bee behaviour resulting from differences between plants.
引用
收藏
页码:270 / 276
页数:7
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