Different degrees of B. melanopus stress could induce the synthesis of 23 aromatic constituents like 1,6-methylene annulene, but inhibit the formation of 6 constituents as nonanal.

• 不同程度的侵害胁迫，能诱导形成不同种类的芳香物质的合成；侵害处理可诱导1；6-亚甲基轮烯等23种物质的形成，同时也可抑制壬醛等6种物质的形成.