蚜害茶树挥发物组分变化的聚类分析

孙廷哲, 岂泽华, 梁可欣, 李沁, 饶玉春, 穆丹

Clustering Analysis of Volatile Components from the Tea Plants Infested by Tea Aphid (Toxoptera aurantii)

Tingzhe Sun, Zehua Qi, Kexin Liang, Qin Li, Yuchun Rao, Dan Mu

表1 健康和蚜害茶梢挥发物组分(VOCs)和相对含量(平均值±标准差)

Table 1 The relative content of volatile organic compounds (VOCs) from healthy and infested tea shoots by Toxoptera aurantii (means±SE)

No. Retention time (min) Volatile organic compounds Relative content Healthy Infested C1 4.842 3-hexenal 0 1.3204±0.3300** C2 6.984 Ethylbenzene 0.3174±0.0895 0.8110±0.2546 C3 7.391 Benzene,1,3-dimethy- 0.7028±0.0881 1.5338±0.5370 C4 8.261 p-xylene 0.1596±0.0382 0.5888±0.1525 C5 8.572 2-heptanone 0 0.6570±0.2495** C6 10.057 α-pinene 0 0.3518±0.0670** C7 11.485 Benaldehyde 0 0.5694±0.1158** C8 13.402 Decane 0 0.1562±0.0716** C9 13.658 Octanal 0.0350±0.0080 0.3076±0.1001 C10 14.796 2-ethyl-1-hexanol 0.4416±0.1631 1.1204±0.2834 C11 16.637 Acetophenone 0.0990±0.0240 0.4676±0.1435 C12 18.471 Undecane 0.0756±0.0166 0.1842±0.0535 C13 18.700 Nonanal 0.1240±0.0379 0.5608±0.2060* C14 19.071 E-2-butenoic acid, 2-(methylencyclopropyl)prop-2-ylester 0 0.0336±0.0123** C15 20.682 Camphor 0.1174±0.0318 0.5498±0.1094** C16 21.912 E-2-nonen-1-ol 0 0.1422±0.0804** C17 22.387 Naphthalene 0.0552±0.0174 0.2874±0.0868* C18 23.367 Dodecane 0.0334±0.0092 0.1366±0.0350* C19 23.666 Decanal 0.1188±0.0332 0.6450±0.3569* C20 28.033 Tridecane 0.0160±0.0036 0.0384±0.0142 C21 32.427 Tetradecane 0.0358±0.0094 0.1904±0.0688* C22 32.612 Longifolene-(V4) 0 0.0648±0.0141** C23 34.363 E-5,9-undecadien-2-one,6,10-dimethyl- 0.0470±0.0118 0.2866±0.1340* C24 40.538 Hexadecane 0.0408±0.0126 0.2320±0.1007*