<i>Vitis vinifera</i>(Vitales: Vitaceae) as a Reproductive Host of<i>Spissistilus festinus</i>(Hemiptera: Membracidae)

Preto, Cindy R; Sudarshana, Mysore R.; Bollinger, M. L.; Zalom, Frank G.

doi:10.1093/jisesa/iey129

Cited by 19 publications

(6 citation statements)

References 14 publications

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“…Since its discovery in 2008 in California ( Calvi, 2011 ), Grapevine Red Blotch Disease (GRBD)—and its recently confirmed causal agent Grapevine Red Blotch Virus (GRBV) ( Yepes et al, 2018 ) — has significantly impacted several major grape-growing areas in the United States ( Sudarshana and Zalom, 2017 ). To date, many research groups have been actively investigating various aspects of GRBD, but most have been focused either on identification and detection ( Krenz et al, 2012 ; Al Rwahnih et al, 2013 ; Buchs et al, 2018 ; Romero et al, 2019 ), genetics and virology ( Al Rwahnih et al, 2015 ; Sudarshana et al, 2015 ), vector biology and transmission ( Bahder et al, 2016 ; Preto et al, 2018a ; Preto et al, 2018b ), or disease epidemiology and spread ( Cieniewicz et al, 2017 ; Cieniewicz et al, 2018 ; Dalton et al, 2019 ). However, no agronomic studies have been conducted testing interactions between cultural practices and their effects on physiology of GRBV-infected grapevines.…”

Section: Introductionmentioning

confidence: 99%

Water Deficits Do Not Improve Fruit Quality in Grapevine Red Blotch Virus-Infected Grapevines (Vitis vinifera L.)

Levin

2020

Front. Plant Sci.

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Although deficit irrigation is used to improve fruit quality in healthy grapevines, it can potentially amplify negative effects of viral disease and reduce fruit quality in Grapevine Red Blotch Virus (GRBV) infected grapevines. Therefore, a 2-year field experiment was conducted to understand the interaction between GRBV infection and water deficits on disease development and vine physiology. Well-watered (WW) vines were irrigated at 100% of estimated crop evapotranspiration (ET c), while water deficit (WD) vines received water at 66 and 50% ET c in 2017 and 2018, respectively. Healthy (GRBV-) and infected (GRBV+) vines were confirmed by PCR assays. There were no significant effects of water deficits on foliar symptom onset in either year, but more severe water deficits in 2018 resulted in a more rapid symptom progression. GRBV+ vines had a higher Y stem compared to GRBV-vines, but the effects of virus only appeared post-veraison and corresponded to decreased leaf gas exchange. In general, vine vegetative and reproductive growth were not reduced in GRBV+ vines. Yields were highest in WW/ GRBV+ vines due to larger clusters containing larger berries. Consistent treatment effects on berry primary chemistry were limited to sugars, with no interactions between factors. Water deficits were able to somewhat increase berry anthocyanin concentration in GRBV + fruit, but the effects were dependent on year. By comparison, virus status and water deficits interacted on skin tannins concentration such that they were decreased in WD/ GRBV+ vines, but increased in WD/GRBV-vines. Water deficits had no effect on seed phenolics, with only virus status having a significant diminution. Although keeping GRBV+ vines well-watered may mitigate some of the negative effects of GRBD, these results suggest that water deficits will not improve overall fruit quality in GRBV+ vines. Ultimately, the control of fruit ripening imparted by GRBV infection seems to be stronger than abiotic control imparted by water deficits.

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Section: Introductionmentioning

confidence: 99%

Water Deficits Do Not Improve Fruit Quality in Grapevine Red Blotch Virus-Infected Grapevines (Vitis vinifera L.)

Levin

2020

Front. Plant Sci.

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“…Greenhouse-grown snapbean, Phaseolus vulgaris 'Hystyle', and alfalfa, Medicago sativa (Galaxy 100 Brand), were used as rearing plants for both S. festinus genotypes. Both P. vulgaris and M. sativa are leguminous plants that are preferred feeding hosts of S. festinus [26][27][28][29] and can be utilized in GRBV transmission assays in which P. vulgaris serves as GRBV donor and recipient material, and M. sativa, a nonhost of GRBV, is used in a S. festinus gut clearing step [17]. Both plant species were maintained in the greenhouse at 22 ± 3 • C and 16 h:8 h (light:dark photoperiod) with supplemental light as needed.…”

Section: Plant Materialsmentioning

confidence: 99%

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) Reproduce and Differentially Transmit Grapevine Red Blotch Virus

Flasco,

Fuchs

2023

Insects

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Two phenotypically similar but genetically distinct genotypes of Spissistilus festinus (Say, 1830) (Hemiptera: Membracidae), a pest of legume crops in Southern United States and a vector of grapevine red blotch virus (GRBV) in California vineyards, exist. No information is available on whether the two S. festinus genotypes, i.e., California (CA) and Southeastern (SE), are sexually compatible or whether the SE genotype can transmit GRBV. In this study, we established mixed mating S. festinus pairs for which the F1 offspring varied phenotypically compared with the offspring of same genotype pairs but acquired GRBV isolate NY175 at similar rates (p = 0.96) and with a similar viral genome copy number (p = 0.34). Likewise, rates of GRBV acquisition were alike for the two parental CA (58%, 61/105) and SE (61%, 65/106) genotypes (p = 0.74), though the GRBV copy number in the salivary glands was overall significantly higher for SE than CA individuals (p = 0.02). Furthermore, the GRBV transmission rate was significantly higher for the SE genotype (89%, 16/18) than the CA genotype (50%, 8/16) (p = 0.04). These results revealed the existence of two sexually compatible S. festinus genotypes with distinct GRBV transmission abilities, suggesting the need to study GRBV ecology in Southeastern United States and areas where the two genotypes might co-exist.

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“…although it can cause girdling damage of the shoots and petioles upon feeding. Females oviposite in green grapevine tissue but on grapevines, the progeny do not survive to adulthood [5]. No information is available on the genetic relationship between S. festinus populations from the Southern United States and California.…”

Section: Introductionmentioning

confidence: 99%

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) (Hemiptera, Membracidae) in the United States Revealed by Phylogenetic and Morphological Analyses

Cieniewicz

Poplaski

Brunelli

et al. 2020

Insects

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Spissistilus festinus (Say, 1830) (Hemiptera: Membracidae) is a frequent pest of leguminous crops in the Southern United States, and a vector of grapevine red blotch virus. There is currently no information on the genetic diversity of S. festinus. In this study, populations of S. festinus were collected in 2015–2017 from various crops and geographic locations in the United States, and fragments of the mitochondrial cytochrome C oxidase 1 (mt-COI) gene and the nuclear internal transcribed spacer 2 (ITS2) region were characterized by polymerase chain reaction and sequencing. Maximum-likelihood and Bayesian analyses of the mt-COI and ITS2 sequences yielded similar phylogenetic tree topologies, revealing two distinct genetic S. festinus lineages with all of the specimens from California comprising one phylogenetic clade, alongside a single GenBank entry from Arizona, and all specimens from the Southeastern United States comprising a statistically-supported distinct clade, regardless of host and year of collection. The mt-COI gene fragment showed up to 10.8% genetic distance between the two phylogenetic clades. These results suggest the existence of two genotypes within S. festinus in the United States. The only distinct morphological trait between the two genotypes was a less elevated pronotum in the representative specimens from California, compared to the representative specimens from the Southeastern United States. Since this phenotypic feature is inconspicuous, a diagnostic polymerase chain reaction targeting a variable region of the mt-COI fragment was developed to reliably distinguish between the specimens of the two genotypes of S. festinus and to facilitate their specific identification.

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Vitis vinifera(Vitales: Vitaceae) as a Reproductive Host ofSpissistilus festinus(Hemiptera: Membracidae)

Cited by 19 publications

References 14 publications

Water Deficits Do Not Improve Fruit Quality in Grapevine Red Blotch Virus-Infected Grapevines (Vitis vinifera L.)

Water Deficits Do Not Improve Fruit Quality in Grapevine Red Blotch Virus-Infected Grapevines (Vitis vinifera L.)

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) Reproduce and Differentially Transmit Grapevine Red Blotch Virus

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) (Hemiptera, Membracidae) in the United States Revealed by Phylogenetic and Morphological Analyses

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