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ISHS Acta Horticulturae 979: II International Symposium on Underutilized Plant Species: Crops for the Future - Beyond Food Security

SIMULTANEOUS USE OF BARBAREA VULGARIS R. BR. (BRASSICACEAE) AS A TRAP CROP FOR INSECT PEST MANAGEMENT AND A SALAD VEGETABLE

Author:   F.R. Badenes-Pérez
Keywords:   sensory evaluation, vegetative regeneration
DOI:   10.17660/ActaHortic.2013.979.82
Abstract:
Yellow rocket, Barbarea vulgaris R. Br. (Brassicaceae), is a biennial plant naturally occurring in temperate regions worldwide. This plant has been proposed as a trap crop for the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae). Since P. xylostella is the most damaging insect pest of cruciferous crops throughout the world and it can easily develop resistance to insecticides, trap cropping is a desirable technique for P. xylostella management as an alternative to insecticide use. Barbarea vulgaris has been used at a small scale as a vegetable and food medicine and it contains phytochemicals proven to be beneficial for human health, such as flavonoids, glucosinolates, and saponins. Here we study the capacity of vegetative regeneration of B. vulgaris after partial and full removal of its foliage, which would allow the use of B. vulgaris as a vegetable while also being used as a trap crop. The potential of B. vulgaris as a salad vegetable was assessed by a group of 30 inexperienced taste panelists. The capacity of vegetative regeneration combined with the positive evaluation of the plant as a salad vegetable indicates that the additional use of B. vulgaris as a marketable vegetable could improve its potential as trap crop because of economic reasons.

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