Lesson 5 Agronomic Management Practices Affecting Tobacco QualityNew Words & ExpressionsBuyout n. a situation in which a person or group gains control of a company by buying all of its shares 全部买下、买断 Post-buyout 买断后MH maleic hydrazide 顺丁烯二酸酰肼,马来酰肼Alkaloids n. any of numerous organic bases (as morphine) containing nitrogen and usually oxygen that occur especially in seed plants 生物碱Top v. to remove or cut the top of ……给打顶Sucker n. a shoot from the lower part of the stem of a plant 腋芽Stalk n. a long narrow part of a plant supporting one or more leaves,flowers or fruits 柄、梗Nicotine n. a poisonous alkaloid (C10H14N2 ) that is the chief active material of tobacco and is used as an insecticide 尼古丁Cure v. to preserve by drying it 晒、烘烤Mature a. fully grown and developed 成熟的Hornworm n. a kind of insects 天蛾幼虫Mo(u)ld n. a superficial growth produced especially on damp or decaying organic matter or on living organisms 霉菌Blue mo(u)ld 青霉病Lay-by n. the final operation in the growing of a field crop 最后的田间作业Variegated v. marked in different colored spots,lines,areas etc 杂色的、斑驳的Sidedress v. to apply nutrients on one side of the plant roots 侧施肥Nondescript a. belonging to no particular class or kind 无归类的; not easily described 难以形容的Suckercide n. chemical product that prevents sucker from growing 腋芽抑制剂Contacts n. chemicals that kill insects by contacting them directly 触杀剂Systemics n. a pesticide that as used is harmless to the plant, but when absorbed into its sap makes the entire organism toxic to pests 内吸剂Versus prep. Against; in contrast to ……对、和相比Priming n. picking up 采收,采摘Burley n. a thin-bodied air-cured tobacco grown mai...