Morphological, Physiological, and Biochemical Responses of Two Tea Cultivars to Empoasca onukii (Hemiptera: Cicadellidae) Infestation

Tian, Yueyue; Zhao, Yunhe; Zhang, Lixia; Mu, Wei; Zhang, Zhengqun

doi:10.1093/jee/toy011

Cited by 14 publications

(7 citation statements)

References 28 publications

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“…In accordance with this, A. spiraecola feeding decreased concentrations of chlorophyll (both a and b), which may be due to chlorophyll breakdown or chloroplast degradation caused by aphid-injected phytotoxins (Ni et al, 2002;Heng-Moss et al, 2003), and the decreased chlorophyll level indicates impaired photosynthetic capacity (Sytykiewicz et al, 2013). Similarly, feeding by the leafhopper Empoasca onukii Matsuda reduced shoot length, chlorophyll content, and photosynthetic rate of tea cultivars (Tian et al, 2018). Generally, A. spiraecola causes several symptoms on sweet orange, whereas the host exhibits high tolerance against A. citricidus.…”

Section: Discussionsupporting

confidence: 60%

Aphis spiraecola and Aphis (Toxoptera) citricidus differently manipulate plant metabolism to gain fitness in terms of population abundance or dispersal

Gao

Xiu

Sun

et al. 2021

Entomologia Exp Applicata

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The response of plant cultivars to infestation by single aphid species has been widely reported, whereas the response of plants to multiple aphid species, and the mechanisms by which various aphids benefit from the induced changes, has been largely ignored. Here we analyzed the symptoms and physiological responses of sweet orange, Citrus sinensis (L.) Osbeck (Rutaceae), as affected by Aphis spiraecola Patch and Aphis (Toxoptera) citricidus (Kirkaldy) (Hemiptera: Aphididae). We further compared the feeding behavior, population abundance, and proportion of winged morph of the two aphid species when separately feeding on sweet orange. Results showed that feeding by A. spiraecola, but not A. citricidus, caused leaf curling, reduced shoot length, shoot fresh weight, and chlorophyll concentration. In addition, A. spiraecola feeding increased the concentration of essential amino acids in leaves when compared with A. citricidus and uninfested control plants. Electrical penetration graph-studies showed that A. citricidus gained faster access and acceptance of phloem, and spent more time ingesting phloem sap, than A. spiraecola. Furthermore, after 2 weeks of infestation, A. spiraecola produced more winged morphs, whereas A. citricidus achieved higher population abundance. Thus, our results indicate that the two citrus aphids utilize divergent strategies to manipulate host metabolism, and gain fitness benefits in population abundance or winged form production. The results could improve our understanding of varied adaptive strategies of co-existing insects and extend our knowledge of aphid-plant interactions.

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Section: Discussionsupporting

confidence: 60%

Aphis spiraecola and Aphis (Toxoptera) citricidus differently manipulate plant metabolism to gain fitness in terms of population abundance or dispersal

Gao

Xiu

Sun

et al. 2021

Entomologia Exp Applicata

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“…Prior studies mentioned that polyphenols, caffeine and catechins are pest deterrents. Polyphenols have a bitter taste, astringency, and form complexes with soluble protein and are difficult to digest, which can help tea trees resist insect feeding and inhibit insect growth [ 39 , 40 , 41 ]. On the other hand, maize intercropping increased the number of natural enemy insects.…”

Section: Discussionmentioning

confidence: 99%

Impacts of Intercropped Maize Ecological Shading on Tea Foliar and Functional Components, Insect Pest Diversity and Soil Microbes

Zou

Shen

Zhong

et al. 2022

Plants

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Ecological shading fueled by maize intercropping in tea plantations can improve tea quality and flavor, and efficiently control the population occurrence of main insect pests. In this study, tea plants were intercropped with maize in two planting directions from east to west (i.e., south shading (SS)) and from north to south (i.e., east shading (ES) and west shading (WS)) to form ecological shading, and the effects on tea quality, and the population occurrence and community diversity of insect pests and soil microbes were studied. When compared with the non-shading control, the tea foliar nutrition contents of free fatty acids have been significantly affected by the ecological shading. SS, ES, and WS all significantly increased the foliar content of theanine and caffeine and the catechin quality index in the leaves of tea plants, simultaneously significantly reducing the foliar content of total polyphenols and the phenol/ammonia ratio. Moreover, ES and WS both significantly reduced the population occurrences of Empoasca onukii and Trialeurodes vaporariorum. Ecological shading significantly affected the composition of soil microbial communities in tea plantations, in which WS significantly reduced the diversity of soil microorganisms.

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“…The tea plant Camellia sinensis (L.) O. Kuntze (Theaceae) is a major and intensively managed perennial plantation crop that is grown in more than 40 countries, including China, Japan, India, Sri Lanka, and Kenya (Zhang & Chen, 2015; Tian et al, 2018). In recent years, the green plant bug Apolygus lucorum Meyer‐Dür (Hemiptera: Miridae) has become one of the most common and economically important piercing‐sucking herbivores of tea plants in China.…”

Section: Introductionmentioning

confidence: 99%

“…As a cultural management strategy for insect pest control, trap crops are an integral part of integrated pest management (IPM) and can reduce the need for insecticides and hence reduce the development of insecticide resistance. Previously, there have been many cases of the use of trap crops for insect pest management for a number of plant groups, including fruits, vegetables, legumes, and cereal crops (Shelton & Badenes-Perez, 2006;Lu et al, 2017;Sharma et al, 2019).The tea plant Camellia sinensis (L.) O. Kuntze (Theaceae) is a major and intensively managed perennial plantation crop that is grown in more than 40 countries, including China, Japan, India, Sri Lanka, and Kenya (Zhang & Chen, 2015;Tian et al, 2018). In recent years, the green plant bug Apolygus lucorum Meyer-Dür (Hemiptera: Miridae) has become one of the most common and economically important piercing-sucking herbivores of tea plants in China.…”

mentioning

confidence: 99%

Assessing Artemisia lavandulaefolia as a trap plant for managing Apolygus lucorum in tea plantations

Tian

Sun

Zhang

et al. 2022

Entomologia Exp Applicata

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Green plant bugs Apolygus lucorum Meyer‐Dür (Hemiptera: Miridae) are among the most important piercing‐sucking insect pests of the tea plant Camellia sinensis (L.) O. Kuntze (Theaceae) and severely reduce the quality and economic benefits of tea. The preference of A. lucorum for tea plants and weed hosts, including Humulus scandens (Lour.) (Moraceae), Artemisia lavandulaefolia DC., Conyza canadensis (L.) Cronq, and Artemisia annua L. (all Asteraceae), was evaluated using an olfactometer bioassay. Volatiles from weed host plants were analyzed by electronic nose and gas chromatography/mass spectrometry. The A. lucorum adults had a significant preference for the volatiles from A. lavandulaefolia compared to volatiles from tea. Myrcene, 1,8‐cineole, and sabinene were the three dominant components in the A. lavandulaefolia flower volatiles. Artemisia lavandulaefolia was selected as a trap plant to assess the attractiveness to A. lucorum and the effects on natural enemies. The population density of A. lucorum on A. lavandulaefolia planted in tea plantations was significantly higher than that on tea. In particular, in tea fields with A. lavandulaefolia at 2 m spacing, the number of A. lucorum on trap strips of A. lavandulaefolia was higher than on tea at 10, 20, and 30 m away from the trap strips. The trap strips of A. lavandulaefolia also promoted a small increase in the presence of natural enemies in the tea agroecosystem, especially lacewings. Our research indicated that planting A. lavandulaefolia as a trap plant at 2 m spacing has the potential to manipulate the population of A. lucorum in tea plantations.

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Morphological, Physiological, and Biochemical Responses of Two Tea Cultivars to Empoasca onukii (Hemiptera: Cicadellidae) Infestation

Cited by 14 publications

References 28 publications

Aphis spiraecola and Aphis (Toxoptera) citricidus differently manipulate plant metabolism to gain fitness in terms of population abundance or dispersal

Aphis spiraecola and Aphis (Toxoptera) citricidus differently manipulate plant metabolism to gain fitness in terms of population abundance or dispersal

Impacts of Intercropped Maize Ecological Shading on Tea Foliar and Functional Components, Insect Pest Diversity and Soil Microbes

Assessing Artemisia lavandulaefolia as a trap plant for managing Apolygus lucorum in tea plantations

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