文献类型： 外文期刊
作者： Qu, Hui 1 ; Chuai, Ze-Run 1 ; Zhang, Wen-Bing 1 ; Zhang, Jian 1 ; Yun, Xiao-Peng 2 ; Liu, Jun 3 ; Zhao, Jun 1 ; Li, Hai-Ping 1 ;
作者机构： 1.Inner Mongolia Agr Univ, Coll Hort & Plant Protect, Hohhot 010019, Peoples R China
2.Inner Mongolia Acad Agr & Anim Husb, Plant Protect Dept, Hohhot, Peoples R China
3.Urad Front Banner, Agr & Technol Promot Ctr, Bayannur, Peoples R China
关键词： Frankliniella intonsa; GC-MS; habitat manipulation; Helianthus annuus; olfactometer bioassay; semiochemicals
期刊名称：PLANT CELL AND ENVIRONMENT （ 影响因子：6.0； 五年影响因子：7.6 ）
ISSN： 0140-7791
年卷期： 2024 年
页码：
收录情况： SCI
摘要： Thrips, Frankliniella intonsa, is a highly polyphagous pest with a worldwide distribution. F. intonsa-infested sunflower seeds show marked visual damage. The study findings revealed that significantly more F. intonsa infested confection sunflower compared to oilseed sunflower, via olfactometer bioassay studies, we found that compared with the flower and pollen of oilseed sunflowers, those of confection sunflowers attract F. intonsa. Considering this discrepancy in the preference of F. intonsa on oilseed and confection sunflowers, the volatiles of the flower and pollens of two sunflowers were analysed by gas chromatography-mass spectroscopy. The behavioural responses of F. intonsa were assessed for these compounds using Y-tube bioassays. Geranyl bromide, a unique volatile component of oilseed sunflowers, induced an assertive approach-avoidance behaviour in F. intonsa, whereas the unique component ethyl isovalerate in confection sunflowers attracted F. intonsa. F. intonsa adults demonstrated significant attraction to the blends of confection sunflowers. Furthermore, field verification revealed that intercropping confection and oilseed sunflowers could effectively control F. intonsa. The study provided insights into the chemical cues used by F. intonsa in locating hosts. Therefore, oilseed sunflowers can be used as repellent plants to prevent F. intonsa invasion.
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