Exploitation of the resistance to carrot fly in the wild carrot species Daucus capillifolius

Autor:	P. R. Ellis, J. A. Hardman, T. C. Crowther, Pamela L. Saw
Rok vydání:	1993
Předmět:	biology business.industry Pest control Carrot fly Wild carrot biology.organism_classification music.songwriter Daucus Horticulture Botany Cultivar PEST analysis business music Psilidae Agronomy and Crop Science Daucus carota
Zdroj:	Annals of Applied Biology. 122:79-91
ISSN:	1744-7348 0003-4746
DOI:	10.1111/j.1744-7348.1993.tb04016.x
Popis:	Summary Under field conditions a wild Daucus species from Libya, D. capillifolius, supported less than one tenth as many carrot flies (Psila rosae) as the susceptible carrot cultivar Danvers Half Long 126. Breeding lines developed from crosses between D. capillifolius and three different carrot types were grown in a series of field experiments at Wellesbourne between 1980 and 1989. Each year selections were made for agronomic quality and/or for increased resistance to carrot fly. The programme produced lines which for size, shape and colour represented most of the commercially-important carrot types. Some of these lines were also significantly more resistant to carrot fly than selections from the partially-resistant cv. Sytan. However, the best lines were not as resistant as the wild parent. The highest quality resistant lines were sold to seed companies for variety production.
Databáze:	OpenAIRE
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