The effect of the Cowpea trypspin inhibitor in strawberry on damage by vine weevil under field conditions

Autor:	Kay Smith, Julie Graham, S. C. Gordon, James W. McNicol, R. J. McNICOL
Rok vydání:	2002
Předmět:	Larva Plant growth Vine biology Weevil Trypsin inhibitor food and beverages Horticulture biology.organism_classification Otiorhynchus sulcatus Pupa Agronomy Genetics Field conditions
Zdroj:	The Journal of Horticultural Science and Biotechnology. 77:33-40
ISSN:	2380-4084 1462-0316
DOI:	10.1080/14620316.2002.11511453
Popis:	SummaryTransgenic strawberry lines constitutively expressing the Cowpea trypsin inhibitor (CpTi) were examined under field conditions to determine if this gene offered protection against the feeding of vine weevil (Otiorhynchus sulcatus F.). Data are presented on plant performance over three seasons (years). Field results for two years confirmed previous glasshouse findings and demonstrate protection in terms of attack by vine weevil larvae on all the transgenic lines. Over three years, two ‘Melody’ lines and three ‘Symphony’ lines continued to demonstrate significantly improved plant growth compared with control lines. The genotype into which CpTi was inserted had a significant effect on performance. The CpTi has a significant effect on vine weevil in terms of a reduction in the number of pupae. The numbers of Carabid and other non-target arthropods were assessed over the duration of the trial, and were found not to be significantly affected by the CpTi transgenic lines.
Databáze:	OpenAIRE
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