茶树花挥发物对叶蝉三棒缨小蜂的引诱增强效应

穆丹, 岂泽华, 李沁, 梁可欣, 华绍贵, 朱星雨, 焦梦婕, 饶玉春, 孙廷哲

Enhanced Attraction of Mymarids (Stethynium empoascae) by Volatiles from Tea Flowers

Dan Mu, Zehua Qi, Qin Li, Kexin Liang, Shaogui Hua, Xingyu Zhu, Mengjie Jiao, Yuchun Rao, Tingzhe Sun

表4 健康茶梢、叶蝉为害茶梢和茶树花挥发物相对含量(平均值±标准误)

Table 4 The relative contents of volatiles in healthy tea shoots, leafhopper-infested tea shoots and tea flowers (means±SE)

No. Retention time (min) Volatile compounds Relative contents to internal standard (IS) Healthy tea shoots Tea shoots infested by tea green leafhopper Tea flower 1 3.772 4-penten-2-one - 4.6679±0.3469 - 2 4.659 2-hexanone - - 0.8337±0.1178 3 4.973 3-hexenal 0.6775±0.1432 0.6500±0.0644 - 4 6.791 3-hexen-1-ol - 2.4906±0.2406 - 5 6.973 Ethylbenzene - - 0.4284±0.0374 6 7.045 Z-4-hexen-1-ol - 3.1843±0.2420 - 7 7.386 m-xylene 0.1821±0.0261 0.9410±0.1252 1.0658±0.1013 8 8.216 p-xylene 0.1388±0.0163 0.1685±0.0114 - 9 8.571 2-heptanone - - 15.7670±0.2817 10 9.415 Anisole - - 0.4104±0.0497 11 10.061 α-pinene - 0.0849±0.0098 0.0467±0.0056 12 11.542 Benzaldehyde - 0.2588±0.0264 0.5192±0.0615 13 12.270 Phenol - 0.0915±0.0094 - 14 13.383 Decane - 0.0952±0.0098 0.0424±0.0048 15 13.595 Octanal - 0.2073±0.0243 0.2724±0.0241 16 13.675 Z-3-hexenyl acetate - 0.3178±0.0256 - 17 13.694 E-3-hexenyl acetate - 0.6841±0.0819 - 18 14.841 2-ethyl-1-hexanol 0.1636±0.0303 1.5707±0.1608 1.0125±0.1174 19 15.720 α-phellandrene - - 0.1193±0.0104 20 16.061 2-pentylcyclopentanone - - 4.9586±0.3190 21 16.373 α-methyl benzyl alcohol - - 0.100 0±0.0116 22 16.612 Acetophenone 0.0443±0.0077 1.0436±0.1229 36.3044±3.7347 23 16.900 cis-linaloloxide - - 0.0395±0.0043 24 17.713 trans-linaloloxide - - 0.1566±0.0081 25 18.460 Undecane 0.0297±0.0048 0.2721±0.0370 0.2192±0.0237 26 18.693 Nonanal 0.0615±0.0105 1.0990±0.1109 0.7224±0.0835 27 20.668 Camphor 0.0989±0.0142 1.2977±0.1150 0.4835±0.0361 28 21.928 E-2-nonen-1-ol 0.0605±0.0074 0.2599+0.0135 0.1866±0.0158 29 22.381 Naphthalene 0.0305±0.0046 0.1241±0.0086 0.2344±0.0224 30 22.662 cis-3-hexenyl butyrate - 0.0891±0.0081 - 31 23.362 Dodecane 0.0176±0.0029 0.2182±0.0153 0.1281±0.0155 32 23.654 Decanal 0.0995±0.0176 1.1579±0.1294 0.8621±0.0459 33 28.027 Tridecane - 0.1029±0.0097 0.0625±0.0079 / 32.223 Decanoic acid, ethyl ester (IS) 1.0000 1.0000 1.0000 34 32.423 Tetradecane 0.0261±0.0055 0.3894±0.0406 0.1098±0.0113 35 32.625 Longifolene-(V4) - 0.1815±0.0268 0.0307±0.0012 36 32.822 Tetradecanal - 0.0467±0.0030 0.0275±0.0023 37 34.362 E-6,10-dimethyl-5,9-undecadien-2-one 0.0501±0.0065 0.5364±0.0388 0.2798±0.0269 38 36.594 Pentadecane 0.0704±0.0090 0.3610±0.0406 0.0922±0.0051 39 40.532 Hexadecane 0.0552±0.0097 0.3384±0.0304 0.1625±0.0221 40 44.276 Heptadecane - 0.1006±0.0058 0.0437±0.0053 41 49.699 1,2-benzenedicarboxylic acid, bis(2- methylpropyl) ester - - 0.0411±0.0023 42 50.477 Homomenthyl salicylate - - 0.0353±0.0041