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芬兰根除苜蓿蓟马和番茄斑点萎蔫病毒的费用和效益的比较研究苜蓿蓟马FrankliniellaOccidentalis于1987年9月在芬兰南部的几个温室里作为一种新的害虫发生了。调查表明,苜蓿蓟马已在温室和花店广泛分布。被检查的216个种植者和花店中有...
Finnish Comparative Study on the Costs and Benefits of Eradication of Alfalfa Thrips and Tomato Spotted Wilt Viruses Frankliniella occidentalis occurred in September 1987 as a new pest in several greenhouses in southern Finland. Surveys show that alfalfa thrips have been widely distributed in greenhouses and flower shops. Among the 216 growers and florists inspected ...