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Efficacy Tests of Nine Insecticides on Tetranychus truncatus Ehara
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作者 Yinghao MA Aixue ZHANG Dayong JIN 《Agricultural Biotechnology》 CAS 2020年第3期34-36,共3页
[Objectives] This study was conducted to screen out pesticides that are highly effective against Tetranychus truncatus Ehara. [Methods] Nine kinds of pesticides were used to control pests on soybean. A petri dish effi... [Objectives] This study was conducted to screen out pesticides that are highly effective against Tetranychus truncatus Ehara. [Methods] Nine kinds of pesticides were used to control pests on soybean. A petri dish efficacy test was first performed in laboratory,then a leaf efficacy test was performed in a greenhouse,and finally,three kinds of agents with good efficacy in the two tests were selected for field control tests. [Results] The indoor and outdoor test results showed that abamectin was the best agent,which showed efficacy higher than 96%,followed by bifenthrin,whose efficacy was higher than 93%. It can be seen that abamectin is the best choice for the prevention and control of T. truncatus,and bifenthrin can also be used according to the situation. [Conclusions] This study provides a theoretical basis for the control of T. truncatus. 展开更多
关键词 tetranychus truncatus Ehara PESTICIDES EFFICACY CONTROL
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Effects of Two Silicon Fertilizers on Maize Growth and Tetranychus truncatus Ehara
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作者 Zhiru LIU Dayong JIN 《Agricultural Biotechnology》 CAS 2018年第1期33-35,共3页
[ Objectives] This study was conducted to investigate the effect of silicon fertilizer on maize growth and Tetranychus truncatus Ehara. [ Methods ] Yougui and Guishen were selected and sprayed onto maize for 1, 2 and ... [ Objectives] This study was conducted to investigate the effect of silicon fertilizer on maize growth and Tetranychus truncatus Ehara. [ Methods ] Yougui and Guishen were selected and sprayed onto maize for 1, 2 and 3 times, forming difference treatments. [ Results ] Spraying the two kinds of silicon fertilizers for different times promoted the growth of plant height, leaf length, leaf width and leaf thickness of maize, increased chlorophyll contents in maize leaves and yield of single ear, and also adversely affected T. truncatus (i. e. , increased the death rate of T. truncatus). The more the treatment times of silicon fertilizer, the more remarkable the effect, and the higher the adverse effect on T. truncatus. [ Conclusions] In production, spraying silicon fertilizer onto maize for 2 -3 times could realize the purposes of increasing maize yield and alleviating the danlage by T. truncatus. 展开更多
关键词 Silicon fertilizer MAIZE GROWTH tetranychus truncatus Ehara
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Co-infection of Wolbachia and Spiroplasma in spider mite Tetranychus truncatus increases male fitness 被引量:1
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作者 Kang Xie Yi-Jia Lu +2 位作者 Kun Yang Shi-Mei Huo Xiao-Yue Hong 《Insect Science》 SCIE CAS CSCD 2020年第5期921-937,共17页
Wolbachia and Spiroplasma are intracellular bacteria that are of great interest to entomologists,because of their ability to alter insect host biology in multiple ways.In the spider mite Tetranychus truncatus,co-infec... Wolbachia and Spiroplasma are intracellular bacteria that are of great interest to entomologists,because of their ability to alter insect host biology in multiple ways.In the spider mite Tetranychus truncatus,co-infection of Wolbachia and Spiroplasma can induce cytoplasmic incompatibility(CI)and fitness costs;however,lttle is known about the effect of co-infection at the genetic level and the molecular mechanisms underlying CI.In this study,we explored the influence of the two symbionts on male mite host fitness and used RNA sequencing to generate the transcriptomes of T truncatus with four different types of infection.In total,we found symbiont-infected lines had a higher hatch proportion than the uninfected line,and the development time of the uninfected line was longer than that of the other lines.Co-infection changed the expression of many genes related to digestion detoxification,reproduction,immunity and oxidation reduction.Our results indicate that co-infection of Wolbachia and Spiroplasma confers multiple effects on their hosts,and helps iluminate the complex interactions between endosymbionts and arthropods. 展开更多
关键词 CO-INFECTION development time SPIROPLASMA tetranychus truncatus tran-scriptome WOLBACHIA
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