Feeding Activity of Green Peach Aphid (Homoptera: Aphididae) on Transgenic Potato Expressing a Bacillus thuringiensis ssp. tenebrionis B-Endotoxin Gene

Autor:	G. L. Reed, J.-N. Shieh, R. E. Berry, P. A. Rossignol
Rok vydání:	1994
Předmět:	Aphid Ecology biology Homoptera fungi food and beverages Aphididae General Medicine biology.organism_classification Insect Science Bacillus thuringiensis Botany Phloem PEST analysis Myzus persicae Solanaceae
Zdroj:	Journal of Economic Entomology. 87:618-622
ISSN:	1938-291X 0022-0493
DOI:	10.1093/jee/87.3.618
Popis:	Probing behavior and feeding activities of green peach aphids, Myzus persicae (Sulzer), were electronically monitored on potato leafroll virus-infected transgenic 'Russet Burbank' potatoes expressing a delta-endotoxin gene of Bacillus thuringiensis ssp. tenebrionis, potato leafroll virus-infected normal 'Russet Burbank', and uninfected normal 'Russet Burbank' potatoes. The waveforms corresponding to probing, salivation, sieve element penetration, and ingestion were recorded. During 2 h of plant access, we found no significant difference in the time to initiate the first probe on a potato leaf, number of probes (or stylet insertions) before phloem ingestion (defined as ingestion from phloem lasting at least 25 min), time to reach the first X-wave (diagnostic of sieve element penetration by the stylets), time to the last probe before phloem ingestion, time to phloem ingestion, or total duration of phloem ingestion of green peach aphid on potato leafroll virus-infected transgenic, potato leafroll virus-infected normal, and uninfected normal potatoes. Transgenic potatoes had no effect on green peach aphid feeding behavior, suggesting that transmission of green peach aphid-borne viruses would not be affected.
Databáze:	OpenAIRE
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