Sour oranges (Citrus aurantium L.) are well known in the processing and cosmetics industries for aromatic properties of their essential oils. Intercultivar genetic diversity is not documented. The objective this study was to evaluate impact morphological selection mechanisms varietal diversification (mutation or hybridization) on odor variability sour orange Forty-five accessions from INRAE-CIR...

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a t s In the state of Veracruz, Mexico, fruits from 38 sites at various altitudes were collected monthly over a period of 2 years, and the tephritid fruit flies of the genus Anastrepha and associated parasitoids that emerged rom these fruits were identified and counted. Of the 6 species of fruits that contained Anastrepha larvae, 18 species also contained a total of 10 species of Anastrepha par...

The compositions of 12 essential oils (EOs) obtained by hydrodistillation of edible fruits and herbs were analyzed by gas chromatography/mass spectroscopy (GC/MS). The insecticidal activity of each oil against the house fly Musca domestica was evaluated by placing flies in a glass jar with a screw cap that held a piece of EO-treated cotton yarn. The dose necessary to kill 50% of flies (LC(50)) ...

Distribution of the citrus nematode (Tylenchulus semipenetrans) was studied over 18 months in a 6-year-old orchard of grapefruit (Citrus paradisi cv. Ruby Red) on sour orange (C. aurantium) rootstock. The 1.8-ha orchard was under chemical weed control, no tillage, and flood irrigation. Highest numbers of nematodes were found in the top 15 cm of the soil profile. The nematode population peaked i...