Analysis of Leaf Volatiles of Crabapple (<i>Malus</i> sp.) Individuals in Different Aphids’ Resistance
- 1 College of Horticulture Science and Engineering, Shandong Agricultural University/State Key Laboratory for Crop Biology Tai’an 271018, Shandong, China
- 2 College of Horticulture Science and Engineering, Shandong Agricultural University/State Key Laboratory for Crop Biology Tai’an 271018, Shandong, China
- 3 College of Horticulture Science and Engineering, Shandong Agricultural University/State Key Laboratory for Crop Biology Tai’an 271018, Shandong, China
- 4 College of Horticulture Science and Engineering, Shandong Agricultural University/State Key Laboratory for Crop Biology Tai’an 271018, Shandong, China
- 5 College of Horticulture Science and Engineering, Shandong Agricultural University/State Key Laboratory for Crop Biology Tai’an 271018, Shandong, China
- 6 College of Horticulture Science and Engineering, Shandong Agricultural University/State Key Laboratory for Crop Biology Tai’an 271018, Shandong, China
Abstract
The aim of this experiment was to analyze the leaf volatiles of crabapple ( Malus sp.) individuals at different aphid’s resistance, to ascertain the particular ingredients which has lure or aversion effects on aphid, and to provide reference for finding out a simple method to control effectively aphids. Volatiles of leaves from twenty-one different crabapple individuals were evaluated with the method of head space-solid phase micro-extraction and gas chromatography-mass spectrometry (HS-SPME-GC-MS). Volatiles profiles of them were then compared. There are one hundred eighty-six kinds of volatiles were detected with varied contents found in different individuals. And all plants contain eight kinds of common components: 3-Hexen-1-ol, acetate, (Z)-, 4-Hexen-1-ol, (Z)-, n-Decanal, n-Tetradecane, .alpha.-Farnesene, Diethyl Phthalate, Oxime-, methoxy-phenyl- and Dibenzofuran-, wherein the relative content of higher have 3-Hexen-1-ol, acetate, (Z)- and 4-Hexen-1-ol, (Z)-. Specific volatile substances in high resistance plants contain 3-Hexenal, (Z)- and 2-Hexenal, (E)-. Leaf volatiles differ in twenty-one crabapple individuals. High resistance plants specific volatile substances contains 3-Hexenal, (Z)-, 2-Hexenal, (E)- and other small molecular volatile substances, and no-resistance plants all have .beta.-Farnesene.
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