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Título: | Differential variation in host preference of Aleyrodes proletella(L) on some cauliflower cultivars |
Autor: | Muñiz, Mariano CSIC; Nebreda, Miguel | Fecha de publicación: | 2003 | Citación: | IOBC/WPRS “Protection Crops, Mediterranean Climate”. Agadir (Morocco) | Resumen: | The cabbage whitefly Aleyrodes proletella (L) has recently become a more serious pest within certain European brassicae crops. This study investigated the level of attractiveness of different cauliflower cultivars to this whitefly pest, aiming to identify varieties that could contain genes for controlling this whitefly in the future, useful for development of crop protection strategies. Greenhouse choice assays were carried out to obtain daily infestation rates of A. proletella on seven cauliflower cultivars (Matra, Freemont, Nautilus, Pierrot, Arbon, Mayfair and Picasso). Ten replicates of these 48 day-old cultivars were placed in a insect-free greenhouse in a randomised design at 20.6º ± 0.1ºC and 68.1 ± 0.1 % r.h. Three days after, plants were all infested by releasing A. proletella adults from a stock lab-colony. After seven days, the number of adults was counted daily in situ on all leaves of all plants until the emergence of new adults. In our study, “Picasso” and “Nautilus” were the most and less attractive cauliflower cultivars, respectively, in terms of the percentage of infested plants. Further studies are needed aiming to identify useful genes for controlling this whitefly in brassicae plants in the future. A better understanding of the dynamics of insect–plant interactions may be useful and for coping with the threatening loss of biodiversity. | URI: | http://hdl.handle.net/10261/21511 |
Aparece en las colecciones: | (ICA) Comunicaciones congresos |
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