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Volatile chemical cues emitted by an agricultural companion plant (Cnidium monnieri) attract predatory lacewings (Chrysoperla sinica)

文献类型： 外文期刊

作者： Huang, Shuyang 1 ; Zhang, Wenhui 1 ; Zhang, Yunhe 1 ; Jia, Hengqiu 1 ; Zhang, Xiaoxiao 1 ; Li, Haiqiang 2 ; Zhang, Jianping 1 ; Ge, Feng 3 ; Cai, Zhiping 1 ;

作者机构： 1.Shihezi Univ, Coll Agr, Key Lab Oasis Agr Pest Management & Plant Protect, Shihezi 832003, Xinjiang Uygur, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Plant Protect, Key Lab Integrated Pest Management Crops Northwest, Minist Agr & Rural Affairs, Urumqi 830091, Peoples R China

3.Shandong Acad Agr Sci, Inst Plant Protect, Jinan 250100, Peoples R China

关键词： Chemical associate; Plant volatiles; Natural enemies; Behavioral responses; Attractiveness; Electrophysiological responses

期刊名称：BIOLOGICAL CONTROL （ 影响因子：4.2； 五年影响因子：4.1 ）

ISSN： 1049-9644

年卷期： 2024 年 192 卷

页码：

收录情况： SCI

摘要： Plant volatiles play an important role in the recruitment of arthropod natural enemies and are widely used in foraging by many species. Therefore, identification of plants that release useful volatile organic compounds (VOCs) for influencing natural enemies and for the control of pests can be helpful in conservation biological control. Cnidium monnieri (L.) can convene many predatory enemies (lady beetles, hoverflies, lacewings) as a functional plant. The Chrysoperla sinica (Tjeder) is a dominant generalist predator, and can control the population of various pests in agricultural fields. However, how C. monnier recruits C. sinica and the chemical association between them is unknown. In this study, we tested the attractiveness of odor released by flowers and leaves of C. monnieri to C. sinica in Y-tube olfactometer. Next, we conducted solid phase microextraction (SPME), gas chromatography-mass spectrometry (GC-MS), and electrophysiological studies (EAG) to analyze the compounds and identified the volatile components which have effects on C. sinica. We also used a Y-tube olfactometer to verify the effectiveness of the volatile components on C. sinica under laboratory conditions. In olfactometer trials, C. sinica adults preferred flowers compared with leaves and fresh air. In GC-MS and electroantennography trials, seventy-six volatiles extracted from C. monnieri, twelve antenna-active components in three different concentrations (0.1 mu g/mL, 1 mu g/mL, 10 mu g/mL) were detected for electroantennography. In the last behavioral identification assays, four synthetic compounds (10 mu g/mL) had significant attractiveness of adult C. sinica antenna (i. e., y-terpinene, trans-S-Ocimene, nerolidol, (Z)-3-Hexen-1-ol). These studies suggest that there is a chemical association between natural enemies C. sinica and the functional plant C. monnieri. This study provides a basis that can facilitate the production and application of attracting natural enemy and development and application of enhancing attractants.

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