Repellency of forty‐one aromatic plant species to the Asian citrus psyllid, vector of the bacterium associated with huanglongbing

Abstract

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Chromosome-level genome assembly of bunching onion illuminates genome evolution and flavor formation in Allium crops

“…4a ). These results strongly support that the Allium crops evolved large and special ALL and LFS gene families possibly to resist diseases and insects, by utilizing its volatile and pungent end-products 5 – 7 .…”

“…Awareness of the potential of Allium vegetables to enhance human health is driving the increasing demand for these functional crops. In addition, the Allium genus is notable for a unique set of sulfoxides derived from cysteine [3][4][5] , which contribute to their characteristic flavor, medicinal properties, disease resistance, and pest repellency [5][6][7] . Compared to quality-related components such as sugar, organic-acid, alkaloid-, and terpene-derived metabolites, less is known about the biosynthesis and regulation of Allium-specific alk(en)yl cysteine sulfoxides (ACSOs) [8][9][10] , such as alliin, isoalliin, and methiin.…”

Electrophysiological and Behavioral Responses of Plutella xylostella (Lepidoptera: Plutellidae) to Volatiles from a Non-host Plant, Geranium, Pelargonium × hortorum (Geraniaceae)

“…The fact that tomato leaf odor elicited in mated Tuta absoluta females upwind orientation flight followed by landing and egg laying demonstrated the important role of the plant volatiles in host-finding behavior of this insect . The volatiles derived from five non-host plants (Camptotheca acuminate, Lantana camara, Mimosa bimucronata, Capsicum annuum, and Gynura bicolor) were repellent to Diaphorina citri with a repellency rate as high as 76% . Volatile compounds of four plant species (Ocimum basilicum, Rosmarinus officinalis, Corymbia citriodora, and Ruta graveolens) had significant repelling effects against Ectropis obliqua .…”

“…16 The volatiles derived from five non-host plants (Camptotheca acuminate, Lantana camara, Mimosa bimucronata, Capsicum annuum, and Gynura bicolor) were repellent to Diaphorina citri with a repellency rate as high as 76%. 17 Volatile compounds of four plant species (Ocimum basilicum, Rosmarinus officinalis, Corymbia citriodora, and Ruta graveolens) had significant repelling effects against Ectropis obliqua. 18 Active components from host plants with ecological functions have been isolated and identified and developed into attractants of insects or natural enemies for trial applications in the field.…”

Cultural Management of Huanglongbing: Current Status and Ongoing Research

“…These results indicate that a push/pull strategy may be feasible to control HLB-associated vector populations, but from an economic perspective, it should be optimized to lose less yield because of intercropping, especially in big farms. Investigations on deterrent volatiles/plants is still ongoing (Yan et al 2020). A transgenic nonattractive orange cultivar is being tested in the field (Alqu ezar et al 2021b) combined with the use of a trap border crop.…”