The six-spotted mite(SSM),Eotetranychussexmaculatus(Riley),aserious pest of avocados,citrus,plumeria,etc.,is native to the Americas,but it has invaded and spread to most of the rubber tree regions in China during the ...
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The six-spotted mite(SSM),Eotetranychussexmaculatus(Riley),aserious pest of avocados,citrus,plumeria,etc.,is native to the Americas,but it has invaded and spread to most of the rubber tree regions in China during the past few decades and has become the most important pest mite of rubber trees in recent *** feed primarily on the lower surfaces of leaves,mainly along leaf *** feeding,the mites penetrate the host plant with their stylets and suck out the cell contents,resulting in discoloration and death of leaf *** infestations result in severe defoliation,causing the rubber tree to stop growing andproducing latex,and the yield reduction is *** young rubber trees have been seriously damaged,twigs will eventually become dry and *** years,SSM has become one of the most important peststhroughout most of the rubber tree plant areas in China,especially in Yunnan,the biggest producer of rubber in China,causing at least 5,000ha2 and 600,000 kg/year reduction in dry rubber *** control of *** relies primarily on acaricides,but over-reliance on these pesticides is likely to lead to the evolution of mite *** application for controlling mites on long-cycle crops is not a feasible or economic option for ***,even low doses of acaricides have adverse effects on natural *** an important component of integrated pest management,the application of resistant host genotypes is considered one of the most efficient and environmentally friendly means of pest *** farmers,it not only reduces the populations of insects and mites to below economically damaging levels but also does not require specific knowledge,does not involve increased production costs,and does not interfere with the ecosystem or produce *** a commercial scale,growing resistant cultivars is a successful and low-cost means of controlling insectand mite *** particular,the use of resistant var
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