Vector Transmission of Tomato Yellow Leaf Curl Thailand Virus by the Whitefly Bemisia tabaci: Circulative or Propagative?

Li, Weihua; Mou, De‐Fen; Hsieh, Chien-Kuei; Weng, Sung-Hsia; Tsai, W. S.; Tsai, Chang‐Her

doi:10.3390/insects12020181

Cited by 6 publications

(3 citation statements)

References 37 publications

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“…cirsiiacanthoidis, and Uroleucon cirsii (Butter 2018). This study also found B. tabaci, a disease vector of Begomovirus that attacks plants of the Cucurbitaceae and Solanaceae families (Li et al 2021;Subiastuti et al 2019). In the same order but a different family, Pentatomidae, the insect species N. viridula was found.…”

Section: Diversity Of Pests and Predators In Chili Plantssupporting

confidence: 64%

Diversity of insect carried-fungi in chili (Capsicum annuum) crop at Banyumas District, Central Java Province, Indonesia

et al. 2023

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Abstract. Suroto A, Mugiastuti E, Tarjoko, Oktaviani E, Bahrudin M. 2023. Diversity of insect carried-fungi in chili (Capsicum annuum) crop at Banyumas District, Central Java Province, Indonesia. Biodiversitas 24: 3394-3406. This study aimed to determine the species of fungal pathogens that have the potency to be carried by various insects in endemic areas of chili (Capsicum annuum L.) disease and locations with high populations of chili insect vectors in the Banyumas District. The insect samples were collected from three chili planting locations in Banyumas District (Karanglewas, Sumbang, and Sokaraja Sub-districts) from March to November 2022. The following methods carried out the research: (i) determining the sampling location, (ii) insect sampling and identification, (iii) isolation and purification of fungal pathogen carried by insects, (iv) pathogenicity test, (v) identification of fungal pathogens based on morphology characters. The exploration of 13 villages in 3 (three) sub-districts of Banyumas District found 60 insects collected from healthy and diseased chili plants. Totally, six genera of fungi were isolated and identified, namely Fusarium, Pythium, Curvularia, Penicillium, Geotrichum, and Phytophthora. This is preliminary research on the interaction between plants, microbes, and insects. Understanding these aspects is essential, not only from an ecological perspective but also for improving the genetic quality of crops as well as for integrated pest management.

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Section: Diversity Of Pests and Predators In Chili Plantssupporting

confidence: 64%

Diversity of insect carried-fungi in chili (Capsicum annuum) crop at Banyumas District, Central Java Province, Indonesia

et al. 2023

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“…Yu-Nu tomatoes (2–3 weeks after sowing) were sprayed with H 2 O (0.4 mL per plant) or F8-culture filtrate (0.4 mL per plant) for a total of three times with a 24-h interval between each spray as previously described [ 62 ]. Twenty-four hours after the final treatment, plants were inoculated with TYLCTHV by viruliferous B. tabaci as previously described [ 69 ] with modifications. Briefly, non-viruliferous B. tabaci was transferred to the net cage enclosed with TYLCTHV-infected ANT22 tomato and allowed 3-day acquisition access periods (AAP).…”

Section: Methodsmentioning

confidence: 99%

Fungal F8-Culture Filtrate Induces Tomato Resistance against Tomato Yellow Leaf Curl Thailand Virus

Chiu

Tzean

Chen

et al. 2021

Viruses

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Tomato (Solanum lycopersicum) is an important economic crop worldwide. However, tomato production is jeopardized by the devastating tomato yellow leaf curl disease (TYLCD) caused by whitefly-transmitted begomoviruses (WTBs). In this study, we evaluated the efficacy of our previously developed plant antiviral immunity inducer, fungal F8-culture filtrate, on tomato to combat tomato yellow leaf curl Thailand virus (TYLCTHV), the predominant WTB in Taiwan. Our results indicated that F8-culture filtrate treatment induced strong resistance, did not reduce the growth of tomato, and induced prominent resistance against TYLCTHV both in the greenhouse and in the field. Among TYLCTHV-inoculated Yu-Nu tomato grown in the greenhouse, a greater percentage of plants treated with F8-culture filtrate (43–100%) were healthy-looking compared to the H2O control (0–14%). We found that TYLCTHV cannot move systemically only on the F8-culture filtrate pretreated healthy-looking plants. Tracking the expression of phytohormone-mediated immune maker genes revealed that F8-culture filtrate mainly induced salicylic acid-mediated plant immunity. Furthermore, callose depositions and the expression of the pathogen-induced callose synthase gene, POWDERY MILDEW RESISTANT 4 were only strongly induced by TYLCTHV on tomato pretreated with F8-culture filtrate. This study provides an effective way to induce tomato resistance against TYLCTHV.

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“…Plant viruses can induce various effects on insect vectors by causing alterations in the physiology of the insect vector [17,29,34,35]. TYLCTHV and ToLCTV are transmitted by B. tabaci in a persistent-circulative manner [33,36], and as begomoviruses infect various organs and tissues of whitefly, they have the potential to exert direct effects on their vectors. Our results indicate that TYLCTHV and ToLCTV infections did not directly affect the longevity and fecundity of B. tabaci MEAM1.…”

Section: Discussionmentioning

confidence: 99%

Differential Effects of Two Tomato Begomoviruses on the Life History and Feeding Preference of Bemisia tabaci

Wu,

Li,

Weng

et al. 2023

Insects

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Tomato yellow leaf curl disease, caused by a group of closely related tomato yellow leaf curl viruses, is a major threat to tomato cultivation worldwide. These viruses are primarily transmitted by the sweet potato whitefly (Bemisia tabaci) in a persistent-circulative manner, wherein the virus circulates in the body of B. tabaci and infects its tissues. The complex relationship between viruses and whiteflies significantly influences virus transmission, with studies showing varying effects of the former on the life history and feeding preference of the latter. Whether these effects are direct or indirect, and whether they are negative, neutral, or positive, appears to depend on the specific interactions between virus and whitefly species. The tomato yellow leaf curl Thailand virus (TYLCTHV) and the tomato leaf curl Taiwan virus (ToLCTV) are two prevalent begomoviruses in fields in Taiwan. This study examined the direct and indirect effects of TYLCTHV and ToLCTV on the life history traits (longevity, fecundity, nymph survival, and nymph developmental time) and feeding preference of B. tabaci Middle East–Asia Minor 1 (MEAM1). The results revealed that TYLCTHV had no effects on these life history traits or the feeding preference of MEAM1 whiteflies. Although ToLCTV did not directly affect the longevity and fecundity of MEAM1 whiteflies, their fecundity and the nymph developmental time were negatively affected by feeding on ToLCTV-infected plants. In addition, ToLCTV infection also altered the feeding preference of MEAM1 whiteflies. The different effects of virus infection may contribute to the lower prevalence of ToLCTV compared to TYLCTHV in fields in Taiwan.

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Vector Transmission of Tomato Yellow Leaf Curl Thailand Virus by the Whitefly Bemisia tabaci: Circulative or Propagative?

Cited by 6 publications

References 37 publications

Diversity of insect carried-fungi in chili (Capsicum annuum) crop at Banyumas District, Central Java Province, Indonesia

Diversity of insect carried-fungi in chili (Capsicum annuum) crop at Banyumas District, Central Java Province, Indonesia

Fungal F8-Culture Filtrate Induces Tomato Resistance against Tomato Yellow Leaf Curl Thailand Virus

Differential Effects of Two Tomato Begomoviruses on the Life History and Feeding Preference of Bemisia tabaci

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