Onion Thrips (Thysanoptera: Thripidae): A Global Pest of Increasing Concern in Onion

被引:118
作者
Diaz-Montano, John [1 ]
Fuchs, Marc [2 ]
Nault, Brian A. [1 ]
Fail, Jozsef [3 ]
Shelton, Anthony M. [1 ]
机构
[1] Cornell Univ NYSAES, Dept Entomol, Geneva, NY 14456 USA
[2] Cornell Univ NYSAES, Dept Plant Pathol, Geneva, NY 14456 USA
[3] Corvinus Univ Budapest, Dept Entomol, H-1118 Budapest, Hungary
关键词
Thrips tabaci; Album cepa; Iris yellow spot virus; management; YELLOW-SPOT-VIRUS; TABACI LINDEMAN THYSANOPTERA; INSECTICIDE RESISTANCE; ECONOMIC THRESHOLDS; VARIETAL RESISTANCE; TEMPORAL VARIATION; FLOWER THRIPS; GROWTH-STAGES; FIELD; SUSCEPTIBILITY;
D O I
10.1603/EC10269
中图分类号
Q96 [昆虫学];
学科分类号
摘要
During the past two decades, onion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), has become a global pest of increasing concern in commercial onion (Allium cepa L.), because of its development of resistance to insecticides, ability to transmit plant pathogens, and frequency of producing more generations at high temperatures. T. tabaci feeds directly on leaves, causing blotches and premature senescence as well as distorted and undersized bulbs. T tabaci can cause yield loss >50% but can be even more problematic when it transmits Iris yellow spot virus (family Bunyaviridae, genus Tospovirus, IYSV). IYSV was identified in 1981 in Brazil and has spread to many important onion-producing regions of the world, including several U.S. states. IYSV symptoms include straw-colored, dry, tan, spindle- or diamond-shaped lesions on the leaves and scapes of onion plants and can cause yield loss up to 100%. Here, we review the biology and ecology of T. tabaci and discuss current management strategies based on chemical, biological, and cultural control as well as host resistance. Future directions for research in integrated pest management are examined and discussed.
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页码:1 / 13
页数:13
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